{"title":"Single Slot Linear Diffusers | Aluminum HVAC Vent Covers | Flo-Matrix","description":"\u003cp\u003eSingle slot linear diffusers provide a sleek, minimalist HVAC air distribution solution for residential, commercial, and custom architectural applications. Designed for efficient air delivery with a clean ceiling appearance, our aluminum single slot diffusers are available in multiple lengths, finishes, and slot widths to meet different airflow requirements.\u003c\/p\u003e\n\u003cp\u003eChoose from 19mm and 25mm slot openings to achieve the desired balance between airflow capacity, appearance, and installation requirements. All Flo-Matrix linear slot diffusers are manufactured from \u003cstrong\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/why-6063-t5-aluminum-is-great-for-linear-slot-diffuser-vent-covers\" title=\"Why 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\" rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003edurable aluminum\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e and are available with \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/collections\/air-vent-plenums\" title=\"Plenums FXP Series by Flo-Matrix HVAC\" rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003e\u003cstrong\u003eoptional plenums\u003c\/strong\u003e\u003c\/a\u003e\u003c\/span\u003e for new construction and renovation projects.\u003c\/p\u003e","products":[{"product_id":"12-linear-slot-diffuser-1-slot-with-19mm-slot-opening","title":"12\" Linear Slot Diffuser Vent Cover (1 Slot with 19mm Opening) - Matte White - FLO-MATRIX HVAC","description":"\u003ch5\u003e\u003cspan\u003eDetails\u003c\/span\u003e\u003c\/h5\u003e\n\u003cdiv\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003eThis 12-inch linear slot diffuser delivers both aesthetic appeal and performance with its crisp matte white finish. Unlike inferior alternatives, it's crafted from heavy-duty extruded aluminum - identical to the premium material specified for high-end commercial installations. This vent cover excels at maintaining consistent airflow in your environment while offering precise control for VAV applications through its 19mm slot opening and 180-degree adjustable blades. (See our airflow visualization video for performance verification in the videos section.) \u003cstrong\u003eWe recommend professional installation by qualified HVAC technicians for optimal results.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Size \u0026amp; Design:\u003c\/strong\u003e Features a clean 12\" x 1.5\" nominal size with a sharp ¾\" (19mm) slot opening for a sleek, modern aesthetic. (\u003cem\u003ePlease refer to the size diagram for detailed dimensions\u003c\/em\u003e).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEliminates Ceiling Smudges: \u003c\/strong\u003eAn integrated weather-stripping seal prevents air leakage, protecting your ceiling from unsightly dust marks and ensuring all air is directed through the diffuser.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable, Commercial-Grade Construction: \u003c\/strong\u003eBuilt from heavy-duty \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/why-6063-t5-aluminum-is-great-for-linear-slot-diffuser-vent-covers\" title=\"Why 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003e6063-T5 architectural-grade aluminum\u003c\/a\u003e\u003c\/span\u003e with a tough powder coat finish and reinforced Tig welds to resist cracking, chipping, and bending for a lifetime of performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStrong Matte White Surface\u003c\/strong\u003e: Features a sophisticated matte white powder coat that is not only elegant but also remarkably resistant to wear, including scratches and corrosion.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClean, Minimalist Installation:\u003c\/strong\u003e Designed for a flawless look with no visible screw holes. Fastening points are discreetly located on the inner border sides. (Note: Fasteners are not included).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMatching Plenum:\u003c\/strong\u003e \u003cspan style=\"color: rgb(31, 33, 36);\"\u003ePair this linear slot diffuser with our \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/products\/12x2-plenum-fxp\" title=\"Matching Custom Linear Slot Diffuser Plenum (12x2)\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003ecustomizable 12x2 Plenums FXP Series\u003c\/a\u003e\u003c\/span\u003e (sold separately) to perfectly match your HVAC system's requirements. \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca style=\"color: rgb(37, 150, 190);\" href=\"https:\/\/youtu.be\/gqC7IVD_kbY?si=1LF7UVkcdi3Q07_p\" title=\"Video of our plenums for linear slot diffusers air vent covers.\" rel=\"noopener noreferrer\" target=\"_blank\"\u003eWatch our plenums intro video\u003c\/a\u003e\u003c\/span\u003e or click \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Custom Plenum Box - Built to your specifications by Flo-Matrix HVAC\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/custom-hvac-plenums\" target=\"_blank\"\u003ehere to learn more about our custom plenums\u003c\/a\u003e\u003c\/span\u003e.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShips worldwide from our Vancouver, Canada facility. Local pickup is also available at our showroom.\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-12-inch-1-slot-white-fulldimensions-flomatrix-hvac.jpg?v=1745792980\" alt=\"Full dimensions of a white 12 inch 1-slot linear diffuser with 19mm openings for precision airflow in commercial HVAC systems\"\u003e\u003c\/p\u003e\n\u003cp\u003eNeed custom sizes?\u003cstrong\u003e \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Request a Quote for Linear Slot Diffusers\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/linear-slot-diffuser-quote-request\" target=\"_blank\"\u003eRequest a quote for custom linear slot diffusers and plenums\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e to get pricing, lead times, and support for your project.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Linear_Slot_Diffuser_white_installed_photo.jpg?v=1780425749\" alt=\"White linear slot air diffuser installed in finished ceiling, minimalist HVAC vent design for effective heating, cooling, and ventilation.\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003ePerformance\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ctable style=\"width: 500px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003ctd style=\"width: 204.035px; height: 19px;\"\u003e\u003cb\u003e\u003cspan\u003ePerformance Data\u003c\/span\u003e\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; height: 19px;\"\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 157px; height: 19px;\"\u003e\u003cb\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/b\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 40px;\"\u003e\n\u003ctd style=\"width: 204.035px; text-align: center; height: 40px;\"\u003e\n\u003cp\u003e\u003cem\u003eFlow Rate\u003c\/em\u003e\u003cem\u003e\u003cspan\u003e \u003c\/span\u003e(CFM)\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; text-align: center; height: 40px;\"\u003e\u003cem\u003e Static Pressure (in.wg)\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 157px; text-align: center; height: 40px;\"\u003e\u003cem\u003eNoise Level (NC)\u003c\/em\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 59.3578px;\"\u003e\n\u003ctd style=\"width: 204.035px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e43\u003cbr\u003e60\u003cbr\u003e87\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e0.11\u003cbr\u003e0.20\u003cbr\u003e0.41\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 157px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e20\u003cbr\u003e30\u003cbr\u003e40\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e  * Flow rate (CFM) and static pressure (in.wg) are interrelated. It is crucial to know your HVAC system total or static pressure when choosing the proper GRD for optimal performance.\u003c\/p\u003e\n\u003cp\u003e* Performance data independently verified by a globally recognized third-party testing facility. Tested to ADC1062:GRD-84 and ASHRAE 70-2006 standards. CFD and modern testing ensure optimal performance and energy efficiency. For complete performance data, please \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Contact Flo-Matrix HVAC\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" target=\"_blank\"\u003econtact us\u003c\/a\u003e\u003c\/span\u003e.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003ca style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" title=\"Linear Slot Diffuser - 25mm wide opening - 1 Slot Vent Covers\" href=\"https:\/\/www.linearairdiffusers.com\/collections\/linear-slot-diffuser-1-slot-with-25mm-slot-opening\" target=\"_blank\"\u003eNeed more airflow? See the enhanced airflow 1-slot diffuser\u003c\/a\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003ca rel=\"noopener\" title=\"High Resolution of Comparison Table (FWASD19-1 VS. FWASD25-1)\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/fwasd19-1-vs-fwasd25-1-linear-slot-diffuser-comparison-commercial-hvac.jpg?v=1780706496\" target=\"_blank\"\u003e\u003cimg style=\"margin-bottom: 16px; float: none;\" alt=\"Commercial HVAC linear slot diffuser comparison between FWASD19-1 and FWASD25-1 featuring 3\/4 inch and 1 inch slot widths, airflow efficiency improvements, reduced pressure loss, quieter operation, showroom demonstration availability, and applications for commercial buildings and custom residential homes.\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/fwasd19-1-vs-fwasd25-1-linear-slot-diffuser-comparison-commercial-hvac.jpg?v=1780706496\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" alt=\"Flo-Matrix HVAC vent cover with built-in weather foam strip compared to standard vent covers without foam gasket, showing improved air seal, reduced dust streaks, cleaner ceilings, better airflow efficiency, and lower maintenance requirements for residential and commercial HVAC applications.\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781729213\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\" title=\"High Resolution of Professional HVAC Diffusers vs Mass Produced Diffusers | Quality Comparison Guide\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg style=\"margin-bottom: 16px; float: none;\" alt=\"Flo-Matrix HVAC professional-grade linear slot diffusers and air grilles compared to mass-produced generic store diffusers, highlighting T5 aluminum construction, superior airflow performance, expert technical support, custom manufacturing options, commercial project experience, showroom availability, and long-term HVAC performance benefits.\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eSubmittal\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Linear Slot Diffuser (one slot) Submittal Sheet High Resolution PDF Download\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Linear_Slot_Diffuser_1-slot_submittal_high_resolution_download.pdf?v=1750363158\" target=\"_blank\"\u003eClick here to download a high resolution of this submittal sheet\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-1-slot-submittal-flomatrix-hvac.jpg?v=1745793070\" alt=\"Linear Slot Diffuser -1-slot submittal\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eResources\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Linear Slot Diffuser Installation Guide High Resolution Download\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Linear_Slot_Diffuser_Installation_Instructions_High_Resolution.pdf?v=1759781403\" target=\"_blank\"\u003eLinear Slot Diffuser Installation Guide Download\u003c\/a\u003e\u003ca style=\"color: rgb(37, 150, 190);\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/19mm-vs-25mm-linear-slot-diffusers-a-quick-guide-for-hvac-pros-homeowners\" title=\"19mm vs. 25mm Linear Slot Diffusers: A Quick Guide for HVAC Pros \u0026amp; Homeowners\" rel=\"noopener noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca style=\"color: rgb(37, 150, 190);\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/19mm-vs-25mm-linear-slot-diffusers-a-quick-guide-for-hvac-pros-homeowners\" title=\"19mm vs. 25mm Linear Slot Diffusers: A Quick Guide for HVAC Pros \u0026amp; Homeowners\" rel=\"noopener noreferrer\" target=\"_blank\"\u003eOur Guide to 19mm VS. 25mm Slot Width Differences\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/linear-slot-diffusers-smart-choice-for-modern-hvac-systems\" title=\"Linear Slot Diffusers: The Smart Choice for Modern HVAC Systems\" rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eLinear Slot Diffusers: The Smart Choice for Modern HVAC Systems\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/why-6063-t5-aluminum-is-great-for-linear-slot-diffuser-vent-covers\" title=\"Why 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\" rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eWhy 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Linear Slot Diffuser Upgrade: A Guide for Retrofit vs. New Construction\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/linear-slot-diffuser-upgrade-retrofit-vs-new-construction\" target=\"_blank\"\u003eLinear Slot Diffuser: A Guide for Retrofit vs. New Construction\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca style=\"color: rgb(37, 150, 190);\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/cfd-airflow-analysis-hvac-design\" title=\"CFD Airflow Analysis Services for Smarter HVAC Design\" rel=\"noopener noreferrer\" target=\"_blank\"\u003eCFD Airflow Analysis Services for Smarter HVAC Design\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eWhat Makes a Grille, Register, or Diffuser \"Commercial Grade\"?\u003c\/h4\u003e\n\u003cp\u003eTrue commercial-grade GRD products provide architects, engineers, and HVAC professionals with the complete technical data needed for precise project specification. This includes detailed information on material composition and comprehensive performance metrics like flow rates, pressure drop, and noise criteria (NC).\u003c\/p\u003e\n\u003cp\u003eAll our products are rigorously tested in accordance with ADC1062:GRD-84 and the ASHRAE 70-2006 standards. We leverage computational fluid dynamics (CFD) and modern testing to continuously refine our designs for optimal performance and energy efficiency.\u003c\/p\u003e\n\u003cp\u003eSince 1997, we have been a trusted manufacturer of high-quality linear slot diffusers (from 1 to 12 slots) for the commercial HVAC industry. For project-specific questions and expert guidance, please \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca style=\"color: rgb(37, 150, 190);\" rel=\"noopener noreferrer\" title=\"Contact Us Form\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" target=\"_blank\"\u003econtact our product specialists\u003c\/a\u003e\u003c\/span\u003e at +1-604-437-1527.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eVideos\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eShowcase Video of Product - 1 Slot Linear Diffuser\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/7_HLSGJ1dE4?si=EY4zvH8u9dC4YY6Y\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eDemonstration of airflow direction adjustment - 1 Slot Linear Diffuser\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/1Ugg_bT9wDY?si=EHqofWnvuq2Knfv8\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eHow to insert a linear slot diffuser into a plenum\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/HFvCaQcs1rE?si=nYvC4-UoWcE1fsiu\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eLinear Slot Diffuser Smoke Test (Vertical Throw) Video - 1 Slot\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/wzy7QBMM3n0\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eLinear Slot Diffuser Smoke Test (Horizontal Throw) Video - 1 Slot\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/nMeJOL_9g-M\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eVideos of previous custom plenums\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/5kEmsTcA2uE?si=SBMMXiQkfyDlC7Ob\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/gqC7IVD_kbY?si=araziY9knWlseHoy\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eOur retail store showroom - Greater Vancouver, Canada\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/YeWxWnvc0pw?si=qV2UAJzkCEX6TARr\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"Linear Air Diffusers","offers":[{"title":"Default Title","offer_id":41732803166371,"sku":"FWASD19-1\/76W\/333L\/PCWS02","price":30.66,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-12-inch-1-slot-white-frontview-flomatrix-hvac.png?v=1745794824"},{"product_id":"16-linear-slot-diffuser-1-slot-with-19mm-slot-opening","title":"16\" Linear Slot Diffuser Vent Cover (1 Slot with 19mm Opening) - Matte White - FLO-MATRIX HVAC","description":"\u003ch5\u003e\u003cspan\u003eDetails\u003c\/span\u003e\u003c\/h5\u003e\n\u003cdiv\u003e\n\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003eThis 16-inch linear slot diffuser delivers both aesthetic appeal and performance with its crisp matte white finish. Unlike inferior alternatives, it's crafted from heavy-duty extruded aluminum - identical to the premium material specified for high-end commercial installations. This vent cover excels at maintaining consistent airflow in your environment while offering precise control for VAV applications through its 19mm slot opening and 180-degree adjustable blades. (See our airflow visualization video for performance verification in the videos section.) \u003cstrong\u003eWe recommend professional installation by qualified HVAC technicians for optimal results.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Size \u0026amp; Design:\u003c\/strong\u003e Features a clean 16\" x 1.5\" nominal size with a sharp ¾\" (19mm) slot opening for a sleek, modern aesthetic. (\u003cem\u003ePlease refer to the size diagram for detailed dimensions\u003c\/em\u003e).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEliminates Ceiling Smudges: \u003c\/strong\u003eAn integrated weather-stripping seal prevents air leakage, protecting your ceiling from unsightly dust marks and ensuring all air is directed through the diffuser.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable, Commercial-Grade Construction: \u003c\/strong\u003eBuilt from heavy-duty \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Why 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/why-6063-t5-aluminum-is-great-for-linear-slot-diffuser-vent-covers\" target=\"_blank\"\u003e6063-T5 architectural-grade aluminum\u003c\/a\u003e\u003c\/span\u003e with a tough powder coat finish and reinforced Tig welds to resist cracking, chipping, and bending for a lifetime of performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStrong Matte White Surface\u003c\/strong\u003e: Features a sophisticated matte white powder coat that is not only elegant but also remarkably resistant to wear, including scratches and corrosion.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClean, Minimalist Installation:\u003c\/strong\u003e Designed for a flawless look with no visible screw holes. Fastening points are discreetly located on the inner border sides. (Note: Fasteners are not included).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMatching Plenum:\u003c\/strong\u003e \u003cspan style=\"color: rgb(31, 33, 36);\"\u003ePair this linear slot diffuser with our \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/products\/16x2-plenums-fxp\" title=\"Matching Custom Linear Slot Diffuser Plenum (16x2)\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003ecustomizable 16x2 Plenums FXP Series\u003c\/a\u003e\u003c\/span\u003e (sold separately) to perfectly match your HVAC system's requirements. \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca style=\"color: rgb(37, 150, 190);\" href=\"https:\/\/youtu.be\/gqC7IVD_kbY?si=1LF7UVkcdi3Q07_p\" title=\"Video of our plenums for linear slot diffusers air vent covers.\" rel=\"noopener noreferrer\" target=\"_blank\"\u003eWatch our plenums intro video\u003c\/a\u003e\u003c\/span\u003e or click \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Custom Plenum Box - Built to your specifications by Flo-Matrix HVAC\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/custom-hvac-plenums\" target=\"_blank\"\u003ehere to learn more about our custom plenums\u003c\/a\u003e\u003c\/span\u003e.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShips worldwide from our Vancouver, Canada facility. Local pickup is also available at our showroom.\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-16-inch-1-slot-white-fulldimensions-flomatrix-hvac.jpg?v=1745793651\" alt=\"Full dimensions of a white 16 inch 1-slot linear diffuser with 19mm openings for precision airflow in commercial HVAC systems\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eNeed custom sizes?\u003cstrong\u003e \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Request a Quote for Linear Slot Diffusers\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/linear-slot-diffuser-quote-request\" target=\"_blank\"\u003eRequest a quote for custom linear slot diffusers and plenums\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e to get pricing, lead times, and support for your project.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Linear_Slot_Diffuser_white_installed_photo.jpg?v=1780425749\" alt=\"White linear slot air diffuser installed in finished ceiling, minimalist HVAC vent design for effective heating, cooling, and ventilation.\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003ePerformance\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ctable style=\"width: 500px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003ctd style=\"width: 204.035px; height: 19px;\"\u003e\u003cb\u003e\u003cspan\u003ePerformance Data\u003c\/span\u003e\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; height: 19px;\"\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 157px; height: 19px;\"\u003e\u003cb\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/b\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 40px;\"\u003e\n\u003ctd style=\"width: 204.035px; text-align: center; height: 40px;\"\u003e\n\u003cp\u003e\u003cem\u003eFlow Rate\u003c\/em\u003e\u003cem\u003e\u003cspan\u003e \u003c\/span\u003e(CFM)\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; text-align: center; height: 40px;\"\u003e\u003cem\u003e Static Pressure (in.wg)\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 157px; text-align: center; height: 40px;\"\u003e\u003cem\u003eNoise Level (NC)\u003c\/em\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 59.3578px;\"\u003e\n\u003ctd style=\"width: 204.035px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e58\u003cbr\u003e80\u003cbr\u003e116\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e0.11\u003cbr\u003e0.20\u003cbr\u003e0.41\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 157px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e20\u003cbr\u003e30\u003cbr\u003e40\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e  * Flow rate (CFM) and static pressure (in.wg) are interrelated. It is crucial to know your HVAC system total or static pressure when choosing the proper GRD for optimal performance.\u003c\/p\u003e\n\u003cp\u003e* Performance data independently verified by a globally recognized third-party testing facility. Tested to ADC1062:GRD-84 and ASHRAE 70-2006 standards. CFD and modern testing ensure optimal performance and energy efficiency. For complete performance data, please \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Contact Flo-Matrix HVAC\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" target=\"_blank\"\u003econtact us\u003c\/a\u003e\u003c\/span\u003e.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003ca style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" title=\"Linear Slot Diffuser - 25mm wide opening - 1 Slot Vent Covers\" href=\"https:\/\/www.linearairdiffusers.com\/collections\/linear-slot-diffuser-1-slot-with-25mm-slot-opening\" target=\"_blank\"\u003eNeed more airflow? See the enhanced airflow 1-slot diffuser\u003c\/a\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/fwasd19-1-vs-fwasd25-1-linear-slot-diffuser-comparison-commercial-hvac.jpg?v=1780706496\" title=\"High Resolution of Comparison Table (FWASD19-1 VS. FWASD25-1)\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/fwasd19-1-vs-fwasd25-1-linear-slot-diffuser-comparison-commercial-hvac.jpg?v=1780706496\" alt=\"Commercial HVAC linear slot diffuser comparison between FWASD19-1 and FWASD25-1 featuring 3\/4 inch and 1 inch slot widths, airflow efficiency improvements, reduced pressure loss, quieter operation, showroom demonstration availability, and applications for commercial buildings and custom residential homes.\" style=\"margin-bottom: 16px; float: none;\"\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003cdiv\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" alt=\"Flo-Matrix HVAC vent cover with built-in weather foam strip compared to standard vent covers without foam gasket, showing improved air seal, reduced dust streaks, cleaner ceilings, better airflow efficiency, and lower maintenance requirements for residential and commercial HVAC applications.\"\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/a\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003ca rel=\"noopener\" title=\"High Resolution of Professional HVAC Diffusers vs Mass Produced Diffusers | Quality Comparison Guide\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\" alt=\"Flo-Matrix HVAC professional-grade linear slot diffusers and air grilles compared to mass-produced generic store diffusers, highlighting T5 aluminum construction, superior airflow performance, expert technical support, custom manufacturing options, commercial project experience, showroom availability, and long-term HVAC performance benefits.\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eSubmittal\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Linear_Slot_Diffuser_1-slot_submittal_high_resolution_download.pdf?v=1750363158\" title=\"Linear Slot Diffuser (one slot) Submittal Sheet High Resolution PDF Download\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eClick here to download a high resolution of this submittal sheet\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-1-slot-submittal-flomatrix-hvac.jpg?v=1745793717\" alt=\"Linear Slot Diffuser -1-slot submittal\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eResources\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Linear_Slot_Diffuser_Installation_Instructions_High_Resolution.pdf?v=1759781403\" title=\"Linear Slot Diffuser Installation Guide High Resolution Download\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eLinear Slot Diffuser Installation Guide Download\u003c\/a\u003e\u003ca rel=\"noopener noreferrer\" title=\"19mm vs. 25mm Linear Slot Diffusers: A Quick Guide for HVAC Pros \u0026amp; Homeowners\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/19mm-vs-25mm-linear-slot-diffusers-a-quick-guide-for-hvac-pros-homeowners\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca rel=\"noopener noreferrer\" title=\"19mm vs. 25mm Linear Slot Diffusers: A Quick Guide for HVAC Pros \u0026amp; Homeowners\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/19mm-vs-25mm-linear-slot-diffusers-a-quick-guide-for-hvac-pros-homeowners\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eOur Guide to 19mm VS. 25mm Slot Width Differences\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" title=\"Linear Slot Diffusers: The Smart Choice for Modern HVAC Systems\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/linear-slot-diffusers-smart-choice-for-modern-hvac-systems\" target=\"_blank\"\u003eLinear Slot Diffusers: The Smart Choice for Modern HVAC Systems\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" title=\"Why 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/why-6063-t5-aluminum-is-great-for-linear-slot-diffuser-vent-covers\" target=\"_blank\"\u003eWhy 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/linear-slot-diffuser-upgrade-retrofit-vs-new-construction\" title=\"Linear Slot Diffuser Upgrade: A Guide for Retrofit vs. New Construction\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eLinear Slot Diffuser: A Guide for Retrofit vs. New Construction\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca rel=\"noopener noreferrer\" title=\"CFD Airflow Analysis Services for Smarter HVAC Design\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/cfd-airflow-analysis-hvac-design\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eCFD Airflow Analysis Services for Smarter HVAC Design\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eWhat Makes a Grille, Register, or Diffuser \"Commercial Grade\"?\u003c\/h4\u003e\n\u003cp\u003eTrue commercial-grade GRD products provide architects, engineers, and HVAC professionals with the complete technical data needed for precise project specification. This includes detailed information on material composition and comprehensive performance metrics like flow rates, pressure drop, and noise criteria (NC).\u003c\/p\u003e\n\u003cp\u003eAll our products are rigorously tested in accordance with ADC1062:GRD-84 and the ASHRAE 70-2006 standards. We leverage computational fluid dynamics (CFD) and modern testing to continuously refine our designs for optimal performance and energy efficiency.\u003c\/p\u003e\n\u003cp\u003eSince 1997, we have been a trusted manufacturer of high-quality linear slot diffusers (from 1 to 12 slots) for the commercial HVAC industry. For project-specific questions and expert guidance, please \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" title=\"Contact Us Form\" rel=\"noopener noreferrer\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003econtact our product specialists\u003c\/a\u003e\u003c\/span\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" title=\"Contact Us Form\" rel=\"noopener noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e at +1-604-437-1527.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eVideos\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eShowcase Video of Product - 1 Slot Linear Diffuser\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/7_HLSGJ1dE4?si=EY4zvH8u9dC4YY6Y\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eDemonstration of airflow direction adjustment - 1 Slot Linear Diffuser\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/1Ugg_bT9wDY?si=EHqofWnvuq2Knfv8\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eHow to insert a linear slot diffuser into a plenum\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/HFvCaQcs1rE?si=nYvC4-UoWcE1fsiu\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eLinear Slot Diffuser Smoke Test (Vertical Throw) Video - 1 Slot\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/wzy7QBMM3n0\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eLinear Slot Diffuser Smoke Test (Horizontal Throw) Video - 1 Slot\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/nMeJOL_9g-M\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eVideos of previous custom plenums\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/5kEmsTcA2uE?si=SBMMXiQkfyDlC7Ob\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/gqC7IVD_kbY?si=araziY9knWlseHoy\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eOur retail store showroom - Greater Vancouver, Canada\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/YeWxWnvc0pw?si=qV2UAJzkCEX6TARr\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"Linear Air Diffusers","offers":[{"title":"Default Title","offer_id":41732832526499,"sku":"FWASD19-1\/76W\/434L\/PCWS02","price":32.58,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-16-inch-1-slot-white-frontview-flomatrix-hvac.png?v=1745794764"},{"product_id":"20-linear-slot-diffuser-1-slot-with-19mm-slot-opening","title":"20\" Linear Slot Diffuser Vent Cover (1 Slot with 19mm Opening) - Matte White - FLO-MATRIX HVAC","description":"\u003ch5\u003e\u003cspan\u003eDetails\u003c\/span\u003e\u003c\/h5\u003e\n\u003cdiv\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cspan\u003eThis 20-inch linear slot diffuser delivers both aesthetic appeal and performance with its crisp matte white finish. Unlike inferior alternatives, it's crafted from heavy-duty extruded aluminum - identical to the premium material specified for high-end commercial installations. This vent cover excels at maintaining consistent airflow in your environment while offering precise control for VAV applications through its 19mm slot opening and 180-degree adjustable blades. (See our airflow visualization video for performance verification in the videos section.) \u003cstrong\u003eWe recommend professional installation by qualified HVAC technicians for optimal results.\u003c\/strong\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Size \u0026amp; Design:\u003c\/strong\u003e Features a clean 20\" x 1.5\" nominal size with a sharp ¾\" (19mm) slot opening for a sleek, modern aesthetic. (\u003cem\u003ePlease refer to the size diagram for detailed dimensions\u003c\/em\u003e).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEliminates Ceiling Smudges: \u003c\/strong\u003eAn integrated weather-stripping seal prevents air leakage, protecting your ceiling from unsightly dust marks and ensuring all air is directed through the diffuser.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable, Commercial-Grade Construction: \u003c\/strong\u003eBuilt from heavy-duty \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/why-6063-t5-aluminum-is-great-for-linear-slot-diffuser-vent-covers\" title=\"Why 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003e6063-T5 architectural-grade aluminum\u003c\/a\u003e\u003c\/span\u003e with a tough powder coat finish and reinforced Tig welds to resist cracking, chipping, and bending for a lifetime of performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStrong Matte White Surface\u003c\/strong\u003e: Features a sophisticated matte white powder coat that is not only elegant but also remarkably resistant to wear, including scratches and corrosion.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClean, Minimalist Installation:\u003c\/strong\u003e Designed for a flawless look with no visible screw holes. Fastening points are discreetly located on the inner border sides. (Note: Fasteners are not included).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustom Airflow Solutions:\u003c\/strong\u003e \u003cspan style=\"color: rgb(31, 33, 36);\"\u003ePair this diffuser with a \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener noreferrer\" title=\"Custom Plenum Box - Built to your specifications by Flo-Matrix HVAC\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/custom-hvac-plenums\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003ecustomizable plenum box\u003c\/a\u003e\u003c\/span\u003e (sold separately) to perfectly match your HVAC system's requirements. \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener noreferrer\" title=\"Video of our plenums for linear slot diffusers air vent covers.\" href=\"https:\/\/youtu.be\/gqC7IVD_kbY?si=1LF7UVkcdi3Q07_p\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eWatch our plenums intro video\u003c\/a\u003e\u003c\/span\u003e to learn more.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShips worldwide from our Vancouver, Canada facility. Local pickup is also available at our showroom.\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eNeed custom sizes?\u003cstrong\u003e \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/pages\/linear-slot-diffuser-quote-request\" title=\"Request a Quote for Linear Slot Diffusers\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eRequest a quote for custom linear slot diffusers and plenums\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e to get pricing, lead times, and support for your project.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Linear_Slot_Diffuser_white_installed_photo.jpg?v=1780425749\" alt=\"White linear slot air diffuser installed in finished ceiling, minimalist HVAC vent design for effective heating, cooling, and ventilation.\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003ePerformance\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ctable style=\"width: 500px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003ctd style=\"width: 204.035px; height: 19px;\"\u003e\u003cb\u003e\u003cspan\u003ePerformance Data\u003c\/span\u003e\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; height: 19px;\"\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 157px; height: 19px;\"\u003e\u003cb\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/b\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 40px;\"\u003e\n\u003ctd style=\"width: 204.035px; text-align: center; height: 40px;\"\u003e\n\u003cp\u003e\u003cem\u003eFlow Rate\u003c\/em\u003e\u003cem\u003e\u003cspan\u003e \u003c\/span\u003e(CFM)\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; text-align: center; height: 40px;\"\u003e\u003cem\u003e Static Pressure (in.wg)\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 157px; text-align: center; height: 40px;\"\u003e\u003cem\u003eNoise Level (NC)\u003c\/em\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 59.3578px;\"\u003e\n\u003ctd style=\"width: 204.035px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e72\u003cbr\u003e100\u003cbr\u003e145\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e0.11\u003cbr\u003e0.20\u003cbr\u003e0.41\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 157px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e20\u003cbr\u003e30\u003cbr\u003e40\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e  * Flow rate (CFM) and static pressure (in.wg) are interrelated. It is crucial to know your HVAC system total or static pressure when choosing the proper GRD for optimal performance.\u003c\/p\u003e\n\u003cp\u003e* Performance data independently verified by a globally recognized third-party testing facility. Tested to ADC1062:GRD-84 and ASHRAE 70-2006 standards. CFD and modern testing ensure optimal performance and energy efficiency. For complete performance data, please \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Contact Flo-Matrix HVAC\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" target=\"_blank\"\u003econtact us\u003c\/a\u003e\u003c\/span\u003e.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003ca style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" title=\"Linear Slot Diffuser - 25mm wide opening - 1 Slot Vent Covers\" href=\"https:\/\/www.linearairdiffusers.com\/collections\/linear-slot-diffuser-1-slot-with-25mm-slot-opening\" target=\"_blank\"\u003eNeed more airflow? See the enhanced airflow 1-slot diffuser\u003c\/a\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/fwasd19-1-vs-fwasd25-1-linear-slot-diffuser-comparison-commercial-hvac.jpg?v=1780706496\" title=\"High Resolution of Comparison Table (FWASD19-1 VS. FWASD25-1)\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/fwasd19-1-vs-fwasd25-1-linear-slot-diffuser-comparison-commercial-hvac.jpg?v=1780706496\" alt=\"Commercial HVAC linear slot diffuser comparison between FWASD19-1 and FWASD25-1 featuring 3\/4 inch and 1 inch slot widths, airflow efficiency improvements, reduced pressure loss, quieter operation, showroom demonstration availability, and applications for commercial buildings and custom residential homes.\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" alt=\"Flo-Matrix HVAC vent cover with built-in weather foam strip compared to standard vent covers without foam gasket, showing improved air seal, reduced dust streaks, cleaner ceilings, better airflow efficiency, and lower maintenance requirements for residential and commercial HVAC applications.\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781729213\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003ca rel=\"noopener\" title=\"High Resolution of Professional HVAC Diffusers vs Mass Produced Diffusers | Quality Comparison Guide\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\" alt=\"Flo-Matrix HVAC professional-grade linear slot diffusers and air grilles compared to mass-produced generic store diffusers, highlighting T5 aluminum construction, superior airflow performance, expert technical support, custom manufacturing options, commercial project experience, showroom availability, and long-term HVAC performance benefits.\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eSubmittal\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Linear Slot Diffuser (one slot) Submittal Sheet High Resolution PDF Download\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Linear_Slot_Diffuser_1-slot_submittal_high_resolution_download.pdf?v=1750363158\" target=\"_blank\"\u003eClick here to download a high resolution of this submittal sheet\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"Linear Slot Diffuser -1-slot submittal\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-1-slot-submittal-flomatrix-hvac.jpg?v=1745972170\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eResources\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Linear Slot Diffuser Installation Guide High Resolution Download\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Linear_Slot_Diffuser_Installation_Instructions_High_Resolution.pdf?v=1759781403\" target=\"_blank\"\u003eLinear Slot Diffuser Installation Guide Download\u003c\/a\u003e\u003ca style=\"color: rgb(37, 150, 190);\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/19mm-vs-25mm-linear-slot-diffusers-a-quick-guide-for-hvac-pros-homeowners\" title=\"19mm vs. 25mm Linear Slot Diffusers: A Quick Guide for HVAC Pros \u0026amp; Homeowners\" rel=\"noopener noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca style=\"color: rgb(37, 150, 190);\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/19mm-vs-25mm-linear-slot-diffusers-a-quick-guide-for-hvac-pros-homeowners\" title=\"19mm vs. 25mm Linear Slot Diffusers: A Quick Guide for HVAC Pros \u0026amp; Homeowners\" rel=\"noopener noreferrer\" target=\"_blank\"\u003eOur Guide to 19mm VS. 25mm Slot Width Differences\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/linear-slot-diffusers-smart-choice-for-modern-hvac-systems\" title=\"Linear Slot Diffusers: The Smart Choice for Modern HVAC Systems\" rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eLinear Slot Diffusers: The Smart Choice for Modern HVAC Systems\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/why-6063-t5-aluminum-is-great-for-linear-slot-diffuser-vent-covers\" title=\"Why 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\" rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eWhy 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Linear Slot Diffuser Upgrade: A Guide for Retrofit vs. New Construction\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/linear-slot-diffuser-upgrade-retrofit-vs-new-construction\" target=\"_blank\"\u003eLinear Slot Diffuser: A Guide for Retrofit vs. New Construction\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca style=\"color: rgb(37, 150, 190);\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/cfd-airflow-analysis-hvac-design\" title=\"CFD Airflow Analysis Services for Smarter HVAC Design\" rel=\"noopener noreferrer\" target=\"_blank\"\u003eCFD Airflow Analysis Services for Smarter HVAC Design\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eWhat Makes a Grille, Register, or Diffuser \"Commercial Grade\"?\u003c\/h4\u003e\n\u003cp\u003eTrue commercial-grade GRD products provide architects, engineers, and HVAC professionals with the complete technical data needed for precise project specification. This includes detailed information on material composition and comprehensive performance metrics like flow rates, pressure drop, and noise criteria (NC).\u003c\/p\u003e\n\u003cp\u003eAll our products are rigorously tested in accordance with ADC1062:GRD-84 and the ASHRAE 70-2006 standards. We leverage computational fluid dynamics (CFD) and modern testing to continuously refine our designs for optimal performance and energy efficiency.\u003c\/p\u003e\n\u003cp\u003eSince 1997, we have been a trusted manufacturer of high-quality linear slot diffusers (from 1 to 12 slots) for the commercial HVAC industry. For project-specific questions and expert guidance, please \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca style=\"color: rgb(37, 150, 190);\" rel=\"noopener noreferrer\" title=\"Contact Us Form\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" target=\"_blank\"\u003econtact our product specialists\u003c\/a\u003e\u003c\/span\u003e\u003ca rel=\"noopener noreferrer\" title=\"Contact Us Form\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" target=\"_blank\"\u003e\u003c\/a\u003e at +1-604-437-1527.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eVideos\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eShowcase Video of Product - 1 Slot Linear Diffuser\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/7_HLSGJ1dE4?si=EY4zvH8u9dC4YY6Y\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eDemonstration of airflow direction adjustment - 1 Slot Linear Diffuser\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/1Ugg_bT9wDY?si=EHqofWnvuq2Knfv8\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eHow to insert a linear slot diffuser into a plenum\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/HFvCaQcs1rE?si=nYvC4-UoWcE1fsiu\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eLinear Slot Diffuser Smoke Test (Vertical Throw) Video - 1 Slot\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/wzy7QBMM3n0\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eLinear Slot Diffuser Smoke Test (Horizontal Throw) Video - 1 Slot\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/nMeJOL_9g-M\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eVideos of previous custom plenums\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/5kEmsTcA2uE?si=SBMMXiQkfyDlC7Ob\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/gqC7IVD_kbY?si=araziY9knWlseHoy\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eOur retail store showroom - Greater Vancouver, Canada\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/YeWxWnvc0pw?si=qV2UAJzkCEX6TARr\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"Linear Air Diffusers","offers":[{"title":"Default Title","offer_id":41732882366627,"sku":"FWASD19-1\/76W\/540L\/PCWS02","price":38.27,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-20-inch-1-slot-white-frontview-flomatrix-hvac.png?v=1745972170"},{"product_id":"24-linear-slot-diffuser-1-slot-with-19mm-slot-opening","title":"24\" Linear Slot Diffuser Vent Cover (1 Slot with 19mm Opening) - Matte White - FLO-MATRIX HVAC","description":"\u003ch5\u003e\u003cspan\u003eDetails\u003c\/span\u003e\u003c\/h5\u003e\n\u003cdiv\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cspan\u003eThis 24-inch linear slot diffuser delivers both aesthetic appeal and performance with its crisp matte white finish. Unlike inferior alternatives, it's crafted from heavy-duty extruded aluminum - identical to the premium material specified for high-end commercial installations. This vent cover excels at maintaining consistent airflow in your environment while offering precise control for VAV applications through its 19mm slot opening and 180-degree adjustable blades. (See our airflow visualization video for performance verification in the videos section.) \u003cstrong\u003eWe recommend professional installation by qualified HVAC technicians for optimal results.\u003c\/strong\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Size \u0026amp; Design:\u003c\/strong\u003e Features a clean 24\" x 1.5\" nominal size with a sharp ¾\" (19mm) slot opening for a sleek, modern aesthetic. \u003cem\u003e(Please refer to the size diagram for detailed dimensions\u003c\/em\u003e).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEliminates Ceiling Smudges: \u003c\/strong\u003eAn integrated weather-stripping seal prevents air leakage, protecting your ceiling from unsightly dust marks and ensuring all air is directed through the diffuser.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable, Commercial-Grade Construction: \u003c\/strong\u003eBuilt from heavy-duty \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Why 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/why-6063-t5-aluminum-is-great-for-linear-slot-diffuser-vent-covers\" target=\"_blank\"\u003e6063-T5 architectural-grade aluminum\u003c\/a\u003e\u003c\/span\u003e with a tough powder coat finish and reinforced Tig welds to resist cracking, chipping, and bending for a lifetime of performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStrong Matte White Surface\u003c\/strong\u003e: Features a sophisticated matte white powder coat that is not only elegant but also remarkably resistant to wear, including scratches and corrosion.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClean, Minimalist Installation:\u003c\/strong\u003e Designed for a flawless look with no visible screw holes. Fastening points are discreetly located on the inner border sides. (Note: Fasteners are not included).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustom Airflow Solutions:\u003c\/strong\u003e \u003cspan style=\"color: rgb(31, 33, 36);\"\u003ePair this diffuser with a \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca style=\"color: rgb(37, 150, 190);\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/custom-hvac-plenums\" title=\"Custom Plenum Box - Built to your specifications by Flo-Matrix HVAC\" rel=\"noopener noreferrer\" target=\"_blank\"\u003ecustomizable plenum box\u003c\/a\u003e\u003c\/span\u003e (sold separately) to perfectly match your HVAC system's requirements. \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca style=\"color: rgb(37, 150, 190);\" href=\"https:\/\/youtu.be\/gqC7IVD_kbY?si=1LF7UVkcdi3Q07_p\" title=\"Video of our plenums for linear slot diffusers air vent covers.\" rel=\"noopener noreferrer\" target=\"_blank\"\u003eWatch our plenums intro video\u003c\/a\u003e\u003c\/span\u003e to learn more.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShips worldwide from our Vancouver, Canada facility. Local pickup is also available at our showroom.\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eNeed custom sizes?\u003cstrong\u003e \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/pages\/linear-slot-diffuser-quote-request\" title=\"Request a Quote for Linear Slot Diffusers\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eRequest a quote for custom linear slot diffusers and plenums\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e to get pricing, lead times, and support for your project.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Linear_Slot_Diffuser_white_installed_photo.jpg?v=1780425749\" alt=\"White linear slot air diffuser installed in finished ceiling, minimalist HVAC vent design for effective heating, cooling, and ventilation.\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003ePerformance\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ctable style=\"width: 500px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003ctd style=\"width: 204.035px; height: 19px;\"\u003e\u003cb\u003e\u003cspan\u003ePerformance Data\u003c\/span\u003e\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; height: 19px;\"\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 157px; height: 19px;\"\u003e\u003cb\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/b\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 40px;\"\u003e\n\u003ctd style=\"width: 204.035px; text-align: center; height: 40px;\"\u003e\n\u003cp\u003e\u003cem\u003eFlow Rate\u003c\/em\u003e\u003cem\u003e\u003cspan\u003e \u003c\/span\u003e(CFM)\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; text-align: center; height: 40px;\"\u003e\u003cem\u003e Static Pressure (in.wg)\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 157px; text-align: center; height: 40px;\"\u003e\u003cem\u003eNoise Level (NC)\u003c\/em\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 59.3578px;\"\u003e\n\u003ctd style=\"width: 204.035px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e87\u003cbr\u003e120\u003cbr\u003e175\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e0.11\u003cbr\u003e0.20\u003cbr\u003e0.41\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 157px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e20\u003cbr\u003e30\u003cbr\u003e40\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e  * Flow rate (CFM) and static pressure (in.wg) are interrelated. It is crucial to know your HVAC system total or static pressure when choosing the proper GRD for optimal performance.\u003c\/p\u003e\n\u003cp\u003e* Performance data independently verified by a globally recognized third-party testing facility. Tested to ADC1062:GRD-84 and ASHRAE 70-2006 standards. CFD and modern testing ensure optimal performance and energy efficiency. For complete performance data, please \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Contact Flo-Matrix HVAC\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" target=\"_blank\"\u003econtact us\u003c\/a\u003e\u003c\/span\u003e.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003ca style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" title=\"Linear Slot Diffuser - 25mm wide opening - 1 Slot Vent Covers\" href=\"https:\/\/www.linearairdiffusers.com\/collections\/linear-slot-diffuser-1-slot-with-25mm-slot-opening\" target=\"_blank\"\u003eNeed more airflow? See the enhanced airflow 1-slot diffuser\u003c\/a\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/fwasd19-1-vs-fwasd25-1-linear-slot-diffuser-comparison-commercial-hvac.jpg?v=1780706496\" title=\"High Resolution of Comparison Table (FWASD19-1 VS. FWASD25-1)\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/fwasd19-1-vs-fwasd25-1-linear-slot-diffuser-comparison-commercial-hvac.jpg?v=1780706496\" alt=\"Commercial HVAC linear slot diffuser comparison between FWASD19-1 and FWASD25-1 featuring 3\/4 inch and 1 inch slot widths, airflow efficiency improvements, reduced pressure loss, quieter operation, showroom demonstration availability, and applications for commercial buildings and custom residential homes.\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" alt=\"Flo-Matrix HVAC vent cover with built-in weather foam strip compared to standard vent covers without foam gasket, showing improved air seal, reduced dust streaks, cleaner ceilings, better airflow efficiency, and lower maintenance requirements for residential and commercial HVAC applications.\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781729213\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003ca rel=\"noopener\" title=\"High Resolution of Professional HVAC Diffusers vs Mass Produced Diffusers | Quality Comparison Guide\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\" alt=\"Flo-Matrix HVAC professional-grade linear slot diffusers and air grilles compared to mass-produced generic store diffusers, highlighting T5 aluminum construction, superior airflow performance, expert technical support, custom manufacturing options, commercial project experience, showroom availability, and long-term HVAC performance benefits.\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eSubmittal\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Linear_Slot_Diffuser_1-slot_submittal_high_resolution_download.pdf?v=1750363158\" title=\"Linear Slot Diffuser (one slot) Submittal Sheet High Resolution PDF Download\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eClick here to download a high resolution of this submittal sheet\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"Linear Slot Diffuser -1-slot submittal\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-1-slot-submittal-flomatrix-hvac.jpg?v=1745795460\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eResources\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Linear Slot Diffuser Installation Guide High Resolution Download\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Linear_Slot_Diffuser_Installation_Instructions_High_Resolution.pdf?v=1759781403\" target=\"_blank\"\u003eLinear Slot Diffuser Installation Guide Download\u003c\/a\u003e\u003ca style=\"color: rgb(37, 150, 190);\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/19mm-vs-25mm-linear-slot-diffusers-a-quick-guide-for-hvac-pros-homeowners\" title=\"19mm vs. 25mm Linear Slot Diffusers: A Quick Guide for HVAC Pros \u0026amp; Homeowners\" rel=\"noopener noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca style=\"color: rgb(37, 150, 190);\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/19mm-vs-25mm-linear-slot-diffusers-a-quick-guide-for-hvac-pros-homeowners\" title=\"19mm vs. 25mm Linear Slot Diffusers: A Quick Guide for HVAC Pros \u0026amp; Homeowners\" rel=\"noopener noreferrer\" target=\"_blank\"\u003eOur Guide to 19mm VS. 25mm Slot Width Differences\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/linear-slot-diffusers-smart-choice-for-modern-hvac-systems\" title=\"Linear Slot Diffusers: The Smart Choice for Modern HVAC Systems\" rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eLinear Slot Diffusers: The Smart Choice for Modern HVAC Systems\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/why-6063-t5-aluminum-is-great-for-linear-slot-diffuser-vent-covers\" title=\"Why 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\" rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eWhy 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Linear Slot Diffuser Upgrade: A Guide for Retrofit vs. New Construction\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/linear-slot-diffuser-upgrade-retrofit-vs-new-construction\" target=\"_blank\"\u003eLinear Slot Diffuser: A Guide for Retrofit vs. New Construction\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca style=\"color: rgb(37, 150, 190);\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/cfd-airflow-analysis-hvac-design\" title=\"CFD Airflow Analysis Services for Smarter HVAC Design\" rel=\"noopener noreferrer\" target=\"_blank\"\u003eCFD Airflow Analysis Services for Smarter HVAC Design\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eWhat Makes a Grille, Register, or Diffuser \"Commercial Grade\"?\u003c\/h4\u003e\n\u003cp\u003eTrue commercial-grade GRD products provide architects, engineers, and HVAC professionals with the complete technical data needed for precise project specification. This includes detailed information on material composition and comprehensive performance metrics like flow rates, pressure drop, and noise criteria (NC).\u003c\/p\u003e\n\u003cp\u003eAll our products are rigorously tested in accordance with ADC1062:GRD-84 and the ASHRAE 70-2006 standards. We leverage computational fluid dynamics (CFD) and modern testing to continuously refine our designs for optimal performance and energy efficiency.\u003c\/p\u003e\n\u003cp\u003eSince 1997, we have been a trusted manufacturer of high-quality linear slot diffusers (from 1 to 12 slots) for the commercial HVAC industry. For project-specific questions and expert guidance, please \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" title=\"Contact Us Form\" rel=\"noopener noreferrer\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003econtact our product specialists\u003c\/a\u003e\u003c\/span\u003e at +1-604-437-1527.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eVideos\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eShowcase Video of Product - 1 Slot Linear Diffuser\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/7_HLSGJ1dE4?si=EY4zvH8u9dC4YY6Y\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eDemonstration of airflow direction adjustment - 1 Slot Linear Diffuser\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/1Ugg_bT9wDY?si=EHqofWnvuq2Knfv8\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eHow to insert a linear slot diffuser into a plenum\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/HFvCaQcs1rE?si=nYvC4-UoWcE1fsiu\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eLinear Slot Diffuser Smoke Test (Vertical Throw) Video - 1 Slot\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/wzy7QBMM3n0\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eLinear Slot Diffuser Smoke Test (Horizontal Throw) Video - 1 Slot\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/nMeJOL_9g-M\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eVideos of previous custom plenums\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/5kEmsTcA2uE?si=SBMMXiQkfyDlC7Ob\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/gqC7IVD_kbY?si=araziY9knWlseHoy\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eOur retail store showroom - Greater Vancouver, Canada\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/YeWxWnvc0pw?si=qV2UAJzkCEX6TARr\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"Linear Air Diffusers","offers":[{"title":"Default Title","offer_id":41732892459171,"sku":"FWASD19-1\/76W\/642L\/PCWS02","price":43.27,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-24-inch-1-slot-white-frontview-flomatrix-hvac.png?v=1745972465"},{"product_id":"32-linear-slot-diffuser-1-slot-with-19mm-slot-opening","title":"32\" Linear Slot Diffuser Vent Cover (1 Slot with 19mm Opening) - Matte White - FLO-MATRIX HVAC","description":"\u003ch5\u003e\u003cspan\u003eDetails\u003c\/span\u003e\u003c\/h5\u003e\n\u003cdiv\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cspan\u003eThis 32-inch linear slot diffuser delivers both aesthetic appeal and performance with its crisp matte white finish. Unlike inferior alternatives, it's crafted from heavy-duty extruded aluminum - identical to the premium material specified for high-end commercial installations. This vent cover excels at maintaining consistent airflow in your environment while offering precise control for VAV applications through its 19mm slot opening and 180-degree adjustable blades. (See our airflow visualization video for performance verification in the videos section.) \u003cstrong\u003eWe recommend professional installation by qualified HVAC technicians for optimal results.\u003c\/strong\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Size \u0026amp; Design:\u003c\/strong\u003e Features a clean 32\" x 1.5\" nominal size with a sharp ¾\" (19mm) slot opening for a sleek, modern aesthetic. (\u003cem\u003ePlease refer to the size diagram for detailed dimensions\u003c\/em\u003e).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEliminates Ceiling Smudges: \u003c\/strong\u003eAn integrated weather-stripping seal prevents air leakage, protecting your ceiling from unsightly dust marks and ensuring all air is directed through the diffuser.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable, Commercial-Grade Construction: \u003c\/strong\u003eBuilt from heavy-duty \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/why-6063-t5-aluminum-is-great-for-linear-slot-diffuser-vent-covers\" title=\"Why 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003e6063-T5 architectural-grade aluminum\u003c\/a\u003e\u003c\/span\u003e with a tough powder coat finish and reinforced Tig welds to resist cracking, chipping, and bending for a lifetime of performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStrong Matte White Surface\u003c\/strong\u003e: Features a sophisticated matte white powder coat that is not only elegant but also remarkably resistant to wear, including scratches and corrosion.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClean, Minimalist Installation:\u003c\/strong\u003e Designed for a flawless look with no visible screw holes. Fastening points are discreetly located on the inner border sides. (Note: Fasteners are not included).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustom Airflow Solutions:\u003c\/strong\u003e \u003cspan style=\"color: rgb(31, 33, 36);\"\u003ePair this diffuser with a \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener noreferrer\" title=\"Custom Plenum Box - Built to your specifications by Flo-Matrix HVAC\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/custom-hvac-plenums\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003ecustomizable plenum box\u003c\/a\u003e\u003c\/span\u003e (sold separately) to perfectly match your HVAC system's requirements. \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener noreferrer\" title=\"Video of our plenums for linear slot diffusers air vent covers.\" href=\"https:\/\/youtu.be\/gqC7IVD_kbY?si=1LF7UVkcdi3Q07_p\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eWatch our plenums intro video\u003c\/a\u003e\u003c\/span\u003e to learn more.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShips worldwide from our Vancouver, Canada facility. Local pickup is also available at our showroom.\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg alt=\"Full dimensions of a white 32 inch 1-slot linear diffuser with 19mm openings for precision airflow in commercial HVAC systems\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-32-inch-1-slot-white-fulldimensions-flomatrix-hvac.jpg?v=1745795888\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eNeed custom sizes?\u003cstrong\u003e \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/pages\/linear-slot-diffuser-quote-request\" title=\"Request a Quote for Linear Slot Diffusers\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eRequest a quote for custom linear slot diffusers and plenums\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e to get pricing, lead times, and support for your project.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Linear_Slot_Diffuser_white_installed_photo.jpg?v=1780425749\" alt=\"White linear slot air diffuser installed in finished ceiling, minimalist HVAC vent design for effective heating, cooling, and ventilation.\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003ePerformance\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ctable style=\"width: 500px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003ctd style=\"width: 204.035px; height: 19px;\"\u003e\u003cb\u003e\u003cspan\u003ePerformance Data\u003c\/span\u003e\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; height: 19px;\"\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 157px; height: 19px;\"\u003e\u003cb\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/b\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 40px;\"\u003e\n\u003ctd style=\"width: 204.035px; text-align: center; height: 40px;\"\u003e\n\u003cp\u003e\u003cem\u003eFlow Rate\u003c\/em\u003e\u003cem\u003e\u003cspan\u003e \u003c\/span\u003e(CFM)\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; text-align: center; height: 40px;\"\u003e\u003cem\u003e Static Pressure (in.wg)\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 157px; text-align: center; height: 40px;\"\u003e\u003cem\u003eNoise Level (NC)\u003c\/em\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 59.3578px;\"\u003e\n\u003ctd style=\"width: 204.035px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e116\u003cbr\u003e160\u003cbr\u003e233\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e0.11\u003cbr\u003e0.20\u003cbr\u003e0.41\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 157px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e20\u003cbr\u003e30\u003cbr\u003e40\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e  * Flow rate (CFM) and static pressure (in.wg) are interrelated. It is crucial to know your HVAC system total or static pressure when choosing the proper GRD for optimal performance.\u003c\/p\u003e\n\u003cp\u003e  * Performance data independently verified by a globally recognized third-party testing facility. Tested to ADC1062:GRD-84 and ASHRAE 70-2006 standards. CFD and modern testing ensure optimal performance and energy efficiency. For complete performance data, please \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Contact Flo-Matrix HVAC\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" target=\"_blank\"\u003econtact us\u003c\/a\u003e\u003c\/span\u003e.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003ca style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" title=\"Linear Slot Diffuser - 25mm wide opening - 1 Slot Vent Covers\" href=\"https:\/\/www.linearairdiffusers.com\/collections\/linear-slot-diffuser-1-slot-with-25mm-slot-opening\" target=\"_blank\"\u003eNeed more airflow? See the enhanced airflow 1-slot diffuser\u003c\/a\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003ca rel=\"noopener\" title=\"High Resolution of Comparison Table (FWASD19-1 VS. FWASD25-1)\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/fwasd19-1-vs-fwasd25-1-linear-slot-diffuser-comparison-commercial-hvac.jpg?v=1780706496\" target=\"_blank\"\u003e\u003cimg style=\"margin-bottom: 16px; float: none;\" alt=\"Commercial HVAC linear slot diffuser comparison between FWASD19-1 and FWASD25-1 featuring 3\/4 inch and 1 inch slot widths, airflow efficiency improvements, reduced pressure loss, quieter operation, showroom demonstration availability, and applications for commercial buildings and custom residential homes.\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/fwasd19-1-vs-fwasd25-1-linear-slot-diffuser-comparison-commercial-hvac.jpg?v=1780706496\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" alt=\"Flo-Matrix HVAC vent cover with built-in weather foam strip compared to standard vent covers without foam gasket, showing improved air seal, reduced dust streaks, cleaner ceilings, better airflow efficiency, and lower maintenance requirements for residential and commercial HVAC applications.\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781729213\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\" title=\"High Resolution of Professional HVAC Diffusers vs Mass Produced Diffusers | Quality Comparison Guide\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg style=\"margin-bottom: 16px; float: none;\" alt=\"Flo-Matrix HVAC professional-grade linear slot diffusers and air grilles compared to mass-produced generic store diffusers, highlighting T5 aluminum construction, superior airflow performance, expert technical support, custom manufacturing options, commercial project experience, showroom availability, and long-term HVAC performance benefits.\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003ch5 style=\"text-align: left;\"\u003eSubmittal\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Linear Slot Diffuser (one slot) Submittal Sheet High Resolution PDF Download\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Linear_Slot_Diffuser_1-slot_submittal_high_resolution_download.pdf?v=1750363158\" target=\"_blank\"\u003eClick here to download a high resolution of this submittal sheet\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp\u003e\u003cimg alt=\"Linear Slot Diffuser -1-slot submittal\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-1-slot-submittal-flomatrix-hvac.jpg?v=1745795888\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eResources\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Linear_Slot_Diffuser_Installation_Instructions_High_Resolution.pdf?v=1759781403\" title=\"Linear Slot Diffuser Installation Guide High Resolution Download\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eLinear Slot Diffuser Installation Guide Download\u003c\/a\u003e\u003ca rel=\"noopener noreferrer\" title=\"19mm vs. 25mm Linear Slot Diffusers: A Quick Guide for HVAC Pros \u0026amp; Homeowners\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/19mm-vs-25mm-linear-slot-diffusers-a-quick-guide-for-hvac-pros-homeowners\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca rel=\"noopener noreferrer\" title=\"19mm vs. 25mm Linear Slot Diffusers: A Quick Guide for HVAC Pros \u0026amp; Homeowners\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/19mm-vs-25mm-linear-slot-diffusers-a-quick-guide-for-hvac-pros-homeowners\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eOur Guide to 19mm VS. 25mm Slot Width Differences\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" title=\"Linear Slot Diffusers: The Smart Choice for Modern HVAC Systems\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/linear-slot-diffusers-smart-choice-for-modern-hvac-systems\" target=\"_blank\"\u003eLinear Slot Diffusers: The Smart Choice for Modern HVAC Systems\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" title=\"Why 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/why-6063-t5-aluminum-is-great-for-linear-slot-diffuser-vent-covers\" target=\"_blank\"\u003eWhy 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/linear-slot-diffuser-upgrade-retrofit-vs-new-construction\" title=\"Linear Slot Diffuser Upgrade: A Guide for Retrofit vs. New Construction\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eLinear Slot Diffuser: A Guide for Retrofit vs. New Construction\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca rel=\"noopener noreferrer\" title=\"CFD Airflow Analysis Services for Smarter HVAC Design\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/cfd-airflow-analysis-hvac-design\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eCFD Airflow Analysis Services for Smarter HVAC Design\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eWhat Makes a Grille, Register, or Diffuser \"Commercial Grade\"?\u003c\/h4\u003e\n\u003cp\u003eTrue commercial-grade GRD products provide architects, engineers, and HVAC professionals with the complete technical data needed for precise project specification. This includes detailed information on material composition and comprehensive performance metrics like flow rates, pressure drop, and noise criteria (NC).\u003c\/p\u003e\n\u003cp\u003eAll our products are rigorously tested in accordance with ADC1062:GRD-84 and the ASHRAE 70-2006 standards. We leverage computational fluid dynamics (CFD) and modern testing to continuously refine our designs for optimal performance and energy efficiency.\u003c\/p\u003e\n\u003cp\u003eSince 1997, we have been a trusted manufacturer of high-quality linear slot diffusers (from 1 to 12 slots) for the commercial HVAC industry. For project-specific questions and expert guidance, please \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca style=\"color: rgb(37, 150, 190);\" rel=\"noopener noreferrer\" title=\"Contact Us Form\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" target=\"_blank\"\u003econtact our product specialists\u003c\/a\u003e\u003c\/span\u003e at +1-604-437-1527.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eVideos\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eShowcase Video of Product - 1 Slot Linear Diffuser\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/7_HLSGJ1dE4?si=EY4zvH8u9dC4YY6Y\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eDemonstration of airflow direction adjustment - 1 Slot Linear Diffuser\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/1Ugg_bT9wDY?si=EHqofWnvuq2Knfv8\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eHow to insert a linear slot diffuser into a plenum\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/HFvCaQcs1rE?si=nYvC4-UoWcE1fsiu\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eLinear Slot Diffuser Smoke Test (Vertical Throw) Video - 1 Slot\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/wzy7QBMM3n0\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eLinear Slot Diffuser Smoke Test (Horizontal Throw) Video - 1 Slot\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/nMeJOL_9g-M\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eVideos of previous custom plenums\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/5kEmsTcA2uE?si=SBMMXiQkfyDlC7Ob\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/gqC7IVD_kbY?si=araziY9knWlseHoy\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eOur retail store showroom - Greater Vancouver, Canada\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/YeWxWnvc0pw?si=qV2UAJzkCEX6TARr\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"Linear Air Diffusers","offers":[{"title":"Default Title","offer_id":41732921884835,"sku":"FWASD19-1\/76W\/841L\/PCWS02","price":59.85,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-32-inch-1-slot-white-frontview-flomatrix-hvac.png?v=1745972528"},{"product_id":"36-linear-slot-diffuser-1-slot-with-19mm-slot-opening","title":"36\" Linear Slot Diffuser Vent Cover (1 Slot with 19mm Opening) - Matte White - FLO-MATRIX HVAC","description":"\u003ch5\u003e\u003cspan\u003eDetails\u003c\/span\u003e\u003c\/h5\u003e\n\u003cdiv\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan style=\"font-size: 0.875rem;\"\u003eThis 36-inch linear slot diffuser delivers both aesthetic appeal and performance with its crisp matte white finish. Unlike inferior alternatives, it's crafted from heavy-duty extruded aluminum - identical to the premium material specified for high-end commercial installations. This vent cover excels at maintaining consistent airflow in your environment while offering precise control for VAV applications through its 19mm slot opening and 180-degree adjustable blades. (See our airflow visualization video for performance verification in the videos section.) \u003c\/span\u003e\u003cstrong style=\"font-size: 0.875rem;\"\u003eWe recommend professional installation by qualified HVAC technicians for optimal results.\u003c\/strong\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Size \u0026amp; Design:\u003c\/strong\u003e Features a clean 36\" x 1.5\" nominal size with a sharp ¾\" (19mm) slot opening for a sleek, modern aesthetic. (\u003cem\u003ePlease refer to the size diagram for detailed dimensions\u003c\/em\u003e).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEliminates Ceiling Smudges: \u003c\/strong\u003eAn integrated weather-stripping seal prevents air leakage, protecting your ceiling from unsightly dust marks and ensuring all air is directed through the diffuser.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable, Commercial-Grade Construction: \u003c\/strong\u003eBuilt from heavy-duty \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/why-6063-t5-aluminum-is-great-for-linear-slot-diffuser-vent-covers\" title=\"Why 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003e6063-T5 architectural-grade aluminum\u003c\/a\u003e\u003c\/span\u003e with a tough powder coat finish and reinforced Tig welds to resist cracking, chipping, and bending for a lifetime of performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStrong Matte White Surface\u003c\/strong\u003e: Features a sophisticated matte white powder coat that is not only elegant but also remarkably resistant to wear, including scratches and corrosion.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClean, Minimalist Installation:\u003c\/strong\u003e Designed for a flawless look with no visible screw holes. Fastening points are discreetly located on the inner border sides. (Note: Fasteners are not included).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustom Airflow Solutions:\u003c\/strong\u003e \u003cspan style=\"color: rgb(31, 33, 36);\"\u003ePair this diffuser with a \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener noreferrer\" title=\"Custom Plenum Box - Built to your specifications by Flo-Matrix HVAC\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/custom-hvac-plenums\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003ecustomizable plenum box\u003c\/a\u003e\u003c\/span\u003e (sold separately) to perfectly match your HVAC system's requirements. \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener noreferrer\" title=\"Video of our plenums for linear slot diffusers air vent covers.\" href=\"https:\/\/youtu.be\/gqC7IVD_kbY?si=1LF7UVkcdi3Q07_p\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eWatch our plenums intro video\u003c\/a\u003e\u003c\/span\u003e to learn more.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShips worldwide from our Vancouver, Canada facility. Local pickup is also available at our showroom.\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-36-inch-1-slot-white-fulldimensions-flomatrix-hvac.jpg?v=1745796616\" alt=\"Full dimensions of a white 36 inch 1-slot linear diffuser with 19mm openings for precision airflow in commercial HVAC systems\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eNeed custom sizes?\u003cstrong\u003e \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/pages\/linear-slot-diffuser-quote-request\" title=\"Request a Quote for Linear Slot Diffusers\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eRequest a quote for custom linear slot diffusers and plenums\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e to get pricing, lead times, and support for your project.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Linear_Slot_Diffuser_white_installed_photo.jpg?v=1780425749\" alt=\"White linear slot air diffuser installed in finished ceiling, minimalist HVAC vent design for effective heating, cooling, and ventilation.\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003ePerformance\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ctable style=\"width: 500px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003ctd style=\"width: 204.035px; height: 19px;\"\u003e\u003cb\u003e\u003cspan\u003ePerformance Data\u003c\/span\u003e\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; height: 19px;\"\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 157px; height: 19px;\"\u003e\u003cb\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/b\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 40px;\"\u003e\n\u003ctd style=\"width: 204.035px; text-align: center; height: 40px;\"\u003e\n\u003cp\u003e\u003cem\u003eFlow Rate\u003c\/em\u003e\u003cem\u003e\u003cspan\u003e \u003c\/span\u003e(CFM)\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; text-align: center; height: 40px;\"\u003e\u003cem\u003e Static Pressure (in.wg)\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 157px; text-align: center; height: 40px;\"\u003e\u003cem\u003eNoise Level (NC)\u003c\/em\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 59.3578px;\"\u003e\n\u003ctd style=\"width: 204.035px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e131\u003cbr\u003e180\u003cbr\u003e262\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e0.11\u003cbr\u003e0.20\u003cbr\u003e0.41\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 157px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e20\u003cbr\u003e30\u003cbr\u003e40\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e  * Flow rate (CFM) and static pressure (in.wg) are interrelated. It is crucial to know your HVAC system total or static pressure when choosing the proper GRD for optimal performance.\u003c\/p\u003e\n\u003cp\u003e* Performance data independently verified by a globally recognized third-party testing facility. Tested to ADC1062:GRD-84 and ASHRAE 70-2006 standards. CFD and modern testing ensure optimal performance and energy efficiency. For complete performance data, please \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Contact Flo-Matrix HVAC\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" target=\"_blank\"\u003econtact us\u003c\/a\u003e\u003c\/span\u003e.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003ca style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" title=\"Linear Slot Diffuser - 25mm wide opening - 1 Slot Vent Covers\" href=\"https:\/\/www.linearairdiffusers.com\/collections\/linear-slot-diffuser-1-slot-with-25mm-slot-opening\" target=\"_blank\"\u003eNeed more airflow? See the enhanced airflow 1-slot diffuser\u003c\/a\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/fwasd19-1-vs-fwasd25-1-linear-slot-diffuser-comparison-commercial-hvac.jpg?v=1780706496\" title=\"High Resolution of Comparison Table (FWASD19-1 VS. FWASD25-1)\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/fwasd19-1-vs-fwasd25-1-linear-slot-diffuser-comparison-commercial-hvac.jpg?v=1780706496\" alt=\"Commercial HVAC linear slot diffuser comparison between FWASD19-1 and FWASD25-1 featuring 3\/4 inch and 1 inch slot widths, airflow efficiency improvements, reduced pressure loss, quieter operation, showroom demonstration availability, and applications for commercial buildings and custom residential homes.\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" alt=\"Flo-Matrix HVAC vent cover with built-in weather foam strip compared to standard vent covers without foam gasket, showing improved air seal, reduced dust streaks, cleaner ceilings, better airflow efficiency, and lower maintenance requirements for residential and commercial HVAC applications.\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781729213\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003ca rel=\"noopener\" title=\"High Resolution of Professional HVAC Diffusers vs Mass Produced Diffusers | Quality Comparison Guide\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\" alt=\"Flo-Matrix HVAC professional-grade linear slot diffusers and air grilles compared to mass-produced generic store diffusers, highlighting T5 aluminum construction, superior airflow performance, expert technical support, custom manufacturing options, commercial project experience, showroom availability, and long-term HVAC performance benefits.\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eSubmittal\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Linear Slot Diffuser (one slot) Submittal Sheet High Resolution PDF Download\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Linear_Slot_Diffuser_1-slot_submittal_high_resolution_download.pdf?v=1750363158\" target=\"_blank\"\u003eClick here to download a high resolution of this submittal sheet\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-1-slot-submittal-flomatrix-hvac.jpg?v=1745796616\" alt=\"Linear Slot Diffuser -1-slot submittal\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eResources\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Linear_Slot_Diffuser_Installation_Instructions_High_Resolution.pdf?v=1759781403\" title=\"Linear Slot Diffuser Installation Guide High Resolution Download\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eLinear Slot Diffuser Installation Guide Download\u003c\/a\u003e\u003ca rel=\"noopener noreferrer\" title=\"19mm vs. 25mm Linear Slot Diffusers: A Quick Guide for HVAC Pros \u0026amp; Homeowners\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/19mm-vs-25mm-linear-slot-diffusers-a-quick-guide-for-hvac-pros-homeowners\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca rel=\"noopener noreferrer\" title=\"19mm vs. 25mm Linear Slot Diffusers: A Quick Guide for HVAC Pros \u0026amp; Homeowners\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/19mm-vs-25mm-linear-slot-diffusers-a-quick-guide-for-hvac-pros-homeowners\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eOur Guide to 19mm VS. 25mm Slot Width Differences\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" title=\"Linear Slot Diffusers: The Smart Choice for Modern HVAC Systems\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/linear-slot-diffusers-smart-choice-for-modern-hvac-systems\" target=\"_blank\"\u003eLinear Slot Diffusers: The Smart Choice for Modern HVAC Systems\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" title=\"Why 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/why-6063-t5-aluminum-is-great-for-linear-slot-diffuser-vent-covers\" target=\"_blank\"\u003eWhy 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/linear-slot-diffuser-upgrade-retrofit-vs-new-construction\" title=\"Linear Slot Diffuser Upgrade: A Guide for Retrofit vs. New Construction\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eLinear Slot Diffuser: A Guide for Retrofit vs. New Construction\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca rel=\"noopener noreferrer\" title=\"CFD Airflow Analysis Services for Smarter HVAC Design\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/cfd-airflow-analysis-hvac-design\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eCFD Airflow Analysis Services for Smarter HVAC Design\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eWhat Makes a Grille, Register, or Diffuser \"Commercial Grade\"?\u003c\/h4\u003e\n\u003cp\u003eTrue commercial-grade GRD products provide architects, engineers, and HVAC professionals with the complete technical data needed for precise project specification. This includes detailed information on material composition and comprehensive performance metrics like flow rates, pressure drop, and noise criteria (NC).\u003c\/p\u003e\n\u003cp\u003eAll our products are rigorously tested in accordance with ADC1062:GRD-84 and the ASHRAE 70-2006 standards. We leverage computational fluid dynamics (CFD) and modern testing to continuously refine our designs for optimal performance and energy efficiency.\u003c\/p\u003e\n\u003cp\u003eSince 1997, we have been a trusted manufacturer of high-quality linear slot diffusers (from 1 to 12 slots) for the commercial HVAC industry. For project-specific questions and expert guidance, please \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca style=\"color: rgb(37, 150, 190);\" rel=\"noopener noreferrer\" title=\"Contact Us Form\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" target=\"_blank\"\u003econtact our product specialists\u003c\/a\u003e\u003c\/span\u003e at +1-604-437-1527.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eVideos\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eShowcase Video of Product - 1 Slot Linear Diffuser\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/7_HLSGJ1dE4?si=EY4zvH8u9dC4YY6Y\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eDemonstration of airflow direction adjustment - 1 Slot Linear Diffuser\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/1Ugg_bT9wDY?si=EHqofWnvuq2Knfv8\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eHow to insert a linear slot diffuser into a plenum\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/HFvCaQcs1rE?si=nYvC4-UoWcE1fsiu\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eLinear Slot Diffuser Smoke Test (Vertical Throw) Video - 1 Slot\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/wzy7QBMM3n0\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eLinear Slot Diffuser Smoke Test (Horizontal Throw) Video - 1 Slot\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/nMeJOL_9g-M\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eVideos of previous custom plenums\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/5kEmsTcA2uE?si=SBMMXiQkfyDlC7Ob\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/gqC7IVD_kbY?si=araziY9knWlseHoy\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eOur retail store showroom - Greater Vancouver, Canada\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/YeWxWnvc0pw?si=qV2UAJzkCEX6TARr\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"Linear Air Diffusers","offers":[{"title":"Default Title","offer_id":41732936073379,"sku":"FWASD19-1\/76W\/942L\/PCWS02","price":63.78,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-36-inch-1-slot-white-frontview-flomatrix-hvac.png?v=1745797526"},{"product_id":"48-linear-slot-diffuser-1-slot-with-19mm-slot-opening-hvac-vent-cover","title":"48\" Linear Slot Diffuser Vent Cover (1 Slot with 19mm Opening) - Matte White - FLO-MATRIX HVAC","description":"\u003ch5\u003e\u003cspan\u003eDetails\u003c\/span\u003e\u003c\/h5\u003e\n\u003cdiv\u003e\n\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003eThis 48-inch linear slot diffuser delivers both aesthetic appeal and performance with its crisp matte white finish. Unlike inferior alternatives, it's crafted from heavy-duty extruded aluminum - identical to the premium material specified for high-end commercial installations. This vent cover excels at maintaining consistent airflow in your environment while offering precise control for VAV applications through its 19mm slot opening and 180-degree adjustable blades. (See our airflow visualization video for performance verification in the videos section.) \u003cstrong\u003eWe recommend professional installation by qualified HVAC technicians for optimal results.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Size \u0026amp; Design:\u003c\/strong\u003e Features a clean 48\" x 1.5\" nominal size with a sharp ¾\" (19mm) slot opening for a sleek, modern aesthetic. (\u003cem\u003ePlease refer to the size diagram for detailed dimensions\u003c\/em\u003e).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEliminates Ceiling Smudges: \u003c\/strong\u003eAn integrated weather-stripping seal prevents air leakage, protecting your ceiling from unsightly dust marks and ensuring all air is directed through the diffuser.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable, Commercial-Grade Construction: \u003c\/strong\u003eBuilt from heavy-duty \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/why-6063-t5-aluminum-is-great-for-linear-slot-diffuser-vent-covers\" title=\"Why 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003e6063-T5 architectural-grade aluminum\u003c\/a\u003e\u003c\/span\u003e with a tough powder coat finish and reinforced Tig welds to resist cracking, chipping, and bending for a lifetime of performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStrong Matte White Surface\u003c\/strong\u003e: Features a sophisticated matte white powder coat that is not only elegant but also remarkably resistant to wear, including scratches and corrosion.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClean, Minimalist Installation:\u003c\/strong\u003e Designed for a flawless look with no visible screw holes. Fastening points are discreetly located on the inner border sides. (Note: Fasteners are not included).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustom Airflow Solutions:\u003c\/strong\u003e \u003cspan style=\"color: rgb(31, 33, 36);\"\u003ePair this diffuser with a \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener noreferrer\" title=\"Custom Plenum Box - Built to your specifications by Flo-Matrix HVAC\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/custom-hvac-plenums\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003ecustomizable plenum box\u003c\/a\u003e\u003c\/span\u003e (sold separately) to perfectly match your HVAC system's requirements. \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener noreferrer\" title=\"Video of our plenums for linear slot diffusers air vent covers.\" href=\"https:\/\/youtu.be\/gqC7IVD_kbY?si=1LF7UVkcdi3Q07_p\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eWatch our plenums intro video\u003c\/a\u003e\u003c\/span\u003e to learn more.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShips worldwide from our Vancouver, Canada facility. Local pickup is also available at our showroom.\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-48-inch-1-slot-white-fulldimensions-flomatrix-hvac.jpg?v=1745796981\" alt=\"Full dimensions of a white 48 inch 1-slot linear diffuser with 19mm openings for precision airflow in commercial HVAC systems\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eNeed custom sizes?\u003cstrong\u003e \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/pages\/linear-slot-diffuser-quote-request\" title=\"Request a Quote for Linear Slot Diffusers\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eRequest a quote for custom linear slot diffusers and plenums\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e to get pricing, lead times, and support for your project.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Linear_Slot_Diffuser_white_installed_photo.jpg?v=1780425749\" alt=\"White linear slot air diffuser installed in finished ceiling, minimalist HVAC vent design for effective heating, cooling, and ventilation.\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003ePerformance\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ctable style=\"width: 500px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003ctd style=\"width: 204.035px; height: 19px;\"\u003e\u003cb\u003e\u003cspan\u003ePerformance Data\u003c\/span\u003e\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; height: 19px;\"\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 157px; height: 19px;\"\u003e\u003cb\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/b\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 40px;\"\u003e\n\u003ctd style=\"width: 204.035px; text-align: center; height: 40px;\"\u003e\n\u003cp\u003e\u003cem\u003eFlow Rate\u003c\/em\u003e\u003cem\u003e\u003cspan\u003e \u003c\/span\u003e(CFM)\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; text-align: center; height: 40px;\"\u003e\u003cem\u003e Static Pressure (in.wg)\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 157px; text-align: center; height: 40px;\"\u003e\u003cem\u003eNoise Level (NC)\u003c\/em\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 59.3578px;\"\u003e\n\u003ctd style=\"width: 204.035px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e175\u003cbr\u003e240\u003cbr\u003e350\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e0.11\u003cbr\u003e0.20\u003cbr\u003e0.41\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 157px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e20\u003cbr\u003e30\u003cbr\u003e40\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e  * Flow rate (CFM) and static pressure (in.wg) are interrelated. It is crucial to know your HVAC system total or static pressure when choosing the proper GRD for optimal performance.\u003c\/p\u003e\n\u003cp\u003e* Performance data independently verified by a globally recognized third-party testing facility. Tested to ADC1062:GRD-84 and ASHRAE 70-2006 standards. CFD and modern testing ensure optimal performance and energy efficiency. For complete performance data, please \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Contact Flo-Matrix HVAC\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" target=\"_blank\"\u003econtact us\u003c\/a\u003e\u003c\/span\u003e.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003ca style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" title=\"Linear Slot Diffuser - 25mm wide opening - 1 Slot Vent Covers\" href=\"https:\/\/www.linearairdiffusers.com\/collections\/linear-slot-diffuser-1-slot-with-25mm-slot-opening\" target=\"_blank\"\u003eNeed more airflow? See the enhanced airflow 1-slot diffuser\u003c\/a\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/fwasd19-1-vs-fwasd25-1-linear-slot-diffuser-comparison-commercial-hvac.jpg?v=1780706496\" title=\"High Resolution of Comparison Table (FWASD19-1 VS. FWASD25-1)\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/fwasd19-1-vs-fwasd25-1-linear-slot-diffuser-comparison-commercial-hvac.jpg?v=1780706496\" alt=\"Commercial HVAC linear slot diffuser comparison between FWASD19-1 and FWASD25-1 featuring 3\/4 inch and 1 inch slot widths, airflow efficiency improvements, reduced pressure loss, quieter operation, showroom demonstration availability, and applications for commercial buildings and custom residential homes.\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" alt=\"Flo-Matrix HVAC vent cover with built-in weather foam strip compared to standard vent covers without foam gasket, showing improved air seal, reduced dust streaks, cleaner ceilings, better airflow efficiency, and lower maintenance requirements for residential and commercial HVAC applications.\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781729213\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003ca rel=\"noopener\" title=\"High Resolution of Professional HVAC Diffusers vs Mass Produced Diffusers | Quality Comparison Guide\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\" alt=\"Flo-Matrix HVAC professional-grade linear slot diffusers and air grilles compared to mass-produced generic store diffusers, highlighting T5 aluminum construction, superior airflow performance, expert technical support, custom manufacturing options, commercial project experience, showroom availability, and long-term HVAC performance benefits.\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5 style=\"text-align: left;\"\u003eSubmittal\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Linear Slot Diffuser (one slot) Submittal Sheet High Resolution PDF Download\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Linear_Slot_Diffuser_1-slot_submittal_high_resolution_download.pdf?v=1750363158\" target=\"_blank\"\u003eClick here to download a high resolution of this submittal sheet\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-1-slot-submittal-flomatrix-hvac.jpg?v=1745796981\" alt=\"Linear Slot Diffuser -1-slot submittal\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eResources\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Linear_Slot_Diffuser_Installation_Instructions_High_Resolution.pdf?v=1759781403\" title=\"Linear Slot Diffuser Installation Guide High Resolution Download\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eLinear Slot Diffuser Installation Guide Download\u003c\/a\u003e\u003ca rel=\"noopener noreferrer\" title=\"19mm vs. 25mm Linear Slot Diffusers: A Quick Guide for HVAC Pros \u0026amp; Homeowners\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/19mm-vs-25mm-linear-slot-diffusers-a-quick-guide-for-hvac-pros-homeowners\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca rel=\"noopener noreferrer\" title=\"19mm vs. 25mm Linear Slot Diffusers: A Quick Guide for HVAC Pros \u0026amp; Homeowners\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/19mm-vs-25mm-linear-slot-diffusers-a-quick-guide-for-hvac-pros-homeowners\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eOur Guide to 19mm VS. 25mm Slot Width Differences\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" title=\"Linear Slot Diffusers: The Smart Choice for Modern HVAC Systems\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/linear-slot-diffusers-smart-choice-for-modern-hvac-systems\" target=\"_blank\"\u003eLinear Slot Diffusers: The Smart Choice for Modern HVAC Systems\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" title=\"Why 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/why-6063-t5-aluminum-is-great-for-linear-slot-diffuser-vent-covers\" target=\"_blank\"\u003eWhy 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/linear-slot-diffuser-upgrade-retrofit-vs-new-construction\" title=\"Linear Slot Diffuser Upgrade: A Guide for Retrofit vs. New Construction\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eLinear Slot Diffuser: A Guide for Retrofit vs. New Construction\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca rel=\"noopener noreferrer\" title=\"CFD Airflow Analysis Services for Smarter HVAC Design\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/cfd-airflow-analysis-hvac-design\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eCFD Airflow Analysis Services for Smarter HVAC Design\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eWhat Makes a Grille, Register, or Diffuser \"Commercial Grade\"?\u003c\/h4\u003e\n\u003cp\u003eTrue commercial-grade GRD products provide architects, engineers, and HVAC professionals with the complete technical data needed for precise project specification. This includes detailed information on material composition and comprehensive performance metrics like flow rates, pressure drop, and noise criteria (NC).\u003c\/p\u003e\n\u003cp\u003eAll our products are rigorously tested in accordance with ADC1062:GRD-84 and the ASHRAE 70-2006 standards. We leverage computational fluid dynamics (CFD) and modern testing to continuously refine our designs for optimal performance and energy efficiency.\u003c\/p\u003e\n\u003cp\u003eSince 1997, we have been a trusted manufacturer of high-quality linear slot diffusers (from 1 to 12 slots) for the commercial HVAC industry. For project-specific questions and expert guidance, please \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca style=\"color: rgb(37, 150, 190);\" rel=\"noopener noreferrer\" title=\"Contact Us Form\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" target=\"_blank\"\u003econtact our product specialists\u003c\/a\u003e\u003c\/span\u003e at +1-604-437-1527.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eVideos\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eShowcase Video of Product - 1 Slot Linear Diffuser\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/7_HLSGJ1dE4?si=EY4zvH8u9dC4YY6Y\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eDemonstration of airflow direction adjustment - 1 Slot Linear Diffuser\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/1Ugg_bT9wDY?si=EHqofWnvuq2Knfv8\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eHow to insert a linear slot diffuser into a plenum\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/HFvCaQcs1rE?si=nYvC4-UoWcE1fsiu\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eLinear Slot Diffuser Smoke Test (Vertical Throw) Video - 1 Slot\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/wzy7QBMM3n0\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eLinear Slot Diffuser Smoke Test (Horizontal Throw) Video - 1 Slot\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/nMeJOL_9g-M\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eVideos of previous custom plenums\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/5kEmsTcA2uE?si=SBMMXiQkfyDlC7Ob\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/gqC7IVD_kbY?si=araziY9knWlseHoy\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eOur retail store showroom - Greater Vancouver, Canada\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/YeWxWnvc0pw?si=qV2UAJzkCEX6TARr\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"Linear Air Diffusers","offers":[{"title":"Default Title","offer_id":41732965859491,"sku":"FWASD19-1\/76W\/1247L\/PCWS02","price":84.41,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-48-inch-1-slot-white-frontview-flomatrix-hvac.png?v=1745797448"},{"product_id":"34-linear-slot-diffuser-1-slot-with-19mm-slot-opening-hvac-vent-cover","title":"34\" Linear Slot Diffuser Vent Cover (1 Slot with 19mm Opening) - Matte White - FLO-MATRIX HVAC","description":"\u003ch5\u003e\u003cspan\u003eDetails\u003c\/span\u003e\u003c\/h5\u003e\n\u003cdiv\u003e\n\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003eThis 34-inch linear slot diffuser delivers both aesthetic appeal and performance with its crisp matte white finish. Unlike inferior alternatives, it's crafted from heavy-duty extruded aluminum - identical to the premium material specified for high-end commercial installations. This vent cover excels at maintaining consistent airflow in your environment while offering precise control for VAV applications through its 19mm slot opening and 180-degree adjustable blades. (See our airflow visualization video for performance verification in the videos section.) \u003cstrong\u003eWe recommend professional installation by qualified HVAC technicians for optimal results.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Size \u0026amp; Design:\u003c\/strong\u003e Features a clean 34\" x 1.5\" nominal size with a sharp ¾\" (19mm) slot opening for a sleek, modern aesthetic. (\u003cem\u003ePlease refer to the size diagram for detailed dimensions\u003c\/em\u003e).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEliminates Ceiling Smudges: \u003c\/strong\u003eAn integrated weather-stripping seal prevents air leakage, protecting your ceiling from unsightly dust marks and ensuring all air is directed through the diffuser.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable, Commercial-Grade Construction: \u003c\/strong\u003eBuilt from heavy-duty \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/why-6063-t5-aluminum-is-great-for-linear-slot-diffuser-vent-covers\" title=\"Why 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003e6063-T5 architectural-grade aluminum\u003c\/a\u003e\u003c\/span\u003e with a tough powder coat finish and reinforced Tig welds to resist cracking, chipping, and bending for a lifetime of performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStrong Matte White Surface\u003c\/strong\u003e: Features a sophisticated matte white powder coat that is not only elegant but also remarkably resistant to wear, including scratches and corrosion.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClean, Minimalist Installation:\u003c\/strong\u003e Designed for a flawless look with no visible screw holes. Fastening points are discreetly located on the inner border sides. (Note: Fasteners are not included).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustom Airflow Solutions:\u003c\/strong\u003e \u003cspan style=\"color: rgb(31, 33, 36);\"\u003ePair this diffuser with a \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener noreferrer\" title=\"Custom Plenum Box - Built to your specifications by Flo-Matrix HVAC\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/custom-hvac-plenums\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003ecustomizable plenum box\u003c\/a\u003e\u003c\/span\u003e (sold separately) to perfectly match your HVAC system's requirements. \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener noreferrer\" title=\"Video of our plenums for linear slot diffusers air vent covers.\" href=\"https:\/\/youtu.be\/gqC7IVD_kbY?si=1LF7UVkcdi3Q07_p\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eWatch our plenums intro video\u003c\/a\u003e\u003c\/span\u003e to learn more.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShips worldwide from our Vancouver, Canada facility. Local pickup is also available at our showroom.\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eNeed custom sizes?\u003cstrong\u003e \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/pages\/linear-slot-diffuser-quote-request\" title=\"Request a Quote for Linear Slot Diffusers\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eRequest a quote for custom linear slot diffusers and plenums\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e to get pricing, lead times, and support for your project.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Linear_Slot_Diffuser_white_installed_photo.jpg?v=1780425749\" alt=\"White linear slot air diffuser installed in finished ceiling, minimalist HVAC vent design for effective heating, cooling, and ventilation.\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003ePerformance\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ctable style=\"width: 500px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003ctd style=\"width: 204.035px; height: 19px;\"\u003e\u003cb\u003e\u003cspan\u003ePerformance Data\u003c\/span\u003e\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; height: 19px;\"\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 157px; height: 19px;\"\u003e\u003cb\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/b\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 40px;\"\u003e\n\u003ctd style=\"width: 204.035px; text-align: center; height: 40px;\"\u003e\n\u003cp\u003e\u003cem\u003eFlow Rate\u003c\/em\u003e\u003cem\u003e\u003cspan\u003e \u003c\/span\u003e(CFM)\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; text-align: center; height: 40px;\"\u003e\u003cem\u003e Static Pressure (in.wg)\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 157px; text-align: center; height: 40px;\"\u003e\u003cem\u003eNoise Level (NC)\u003c\/em\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 59.3578px;\"\u003e\n\u003ctd style=\"width: 204.035px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e123\u003cbr\u003e170\u003cbr\u003e247\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e0.11\u003cbr\u003e0.20\u003cbr\u003e0.41\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 157px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e20\u003cbr\u003e30\u003cbr\u003e40\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e  * Flow rate (CFM) and static pressure (in.wg) are interrelated. It is crucial to know your HVAC system total or static pressure when choosing the proper GRD for optimal performance.\u003c\/p\u003e\n\u003cp\u003e* Performance data independently verified by a globally recognized third-party testing facility. Tested to ADC1062:GRD-84 and ASHRAE 70-2006 standards. CFD and modern testing ensure optimal performance and energy efficiency. For complete performance data, please \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Contact Flo-Matrix HVAC\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" target=\"_blank\"\u003econtact us\u003c\/a\u003e\u003c\/span\u003e.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003ca style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" title=\"Linear Slot Diffuser - 25mm wide opening - 1 Slot Vent Covers\" href=\"https:\/\/www.linearairdiffusers.com\/collections\/linear-slot-diffuser-1-slot-with-25mm-slot-opening\" target=\"_blank\"\u003eNeed more airflow? See the enhanced airflow 1-slot diffuser\u003c\/a\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/fwasd19-1-vs-fwasd25-1-linear-slot-diffuser-comparison-commercial-hvac.jpg?v=1780706496\" title=\"High Resolution of Comparison Table (FWASD19-1 VS. FWASD25-1)\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/fwasd19-1-vs-fwasd25-1-linear-slot-diffuser-comparison-commercial-hvac.jpg?v=1780706496\" alt=\"Commercial HVAC linear slot diffuser comparison between FWASD19-1 and FWASD25-1 featuring 3\/4 inch and 1 inch slot widths, airflow efficiency improvements, reduced pressure loss, quieter operation, showroom demonstration availability, and applications for commercial buildings and custom residential homes.\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" alt=\"Flo-Matrix HVAC vent cover with built-in weather foam strip compared to standard vent covers without foam gasket, showing improved air seal, reduced dust streaks, cleaner ceilings, better airflow efficiency, and lower maintenance requirements for residential and commercial HVAC applications.\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781729213\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003ca rel=\"noopener\" title=\"High Resolution of Professional HVAC Diffusers vs Mass Produced Diffusers | Quality Comparison Guide\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\" alt=\"Flo-Matrix HVAC professional-grade linear slot diffusers and air grilles compared to mass-produced generic store diffusers, highlighting T5 aluminum construction, superior airflow performance, expert technical support, custom manufacturing options, commercial project experience, showroom availability, and long-term HVAC performance benefits.\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eSubmittal\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Linear Slot Diffuser (one slot) Submittal Sheet High Resolution PDF Download\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Linear_Slot_Diffuser_1-slot_submittal_high_resolution_download.pdf?v=1750363158\" target=\"_blank\"\u003eClick here to download a high resolution of this submittal sheet\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-1-slot-submittal-flomatrix-hvac.jpg?v=1745796188\" alt=\"Linear Slot Diffuser -1-slot submittal\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eResources\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Linear_Slot_Diffuser_Installation_Instructions_High_Resolution.pdf?v=1759781403\" title=\"Linear Slot Diffuser Installation Guide High Resolution Download\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eLinear Slot Diffuser Installation Guide Download\u003c\/a\u003e\u003ca rel=\"noopener noreferrer\" title=\"19mm vs. 25mm Linear Slot Diffusers: A Quick Guide for HVAC Pros \u0026amp; Homeowners\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/19mm-vs-25mm-linear-slot-diffusers-a-quick-guide-for-hvac-pros-homeowners\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca rel=\"noopener noreferrer\" title=\"19mm vs. 25mm Linear Slot Diffusers: A Quick Guide for HVAC Pros \u0026amp; Homeowners\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/19mm-vs-25mm-linear-slot-diffusers-a-quick-guide-for-hvac-pros-homeowners\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eOur Guide to 19mm VS. 25mm Slot Width Differences\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" title=\"Linear Slot Diffusers: The Smart Choice for Modern HVAC Systems\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/linear-slot-diffusers-smart-choice-for-modern-hvac-systems\" target=\"_blank\"\u003eLinear Slot Diffusers: The Smart Choice for Modern HVAC Systems\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" title=\"Why 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/why-6063-t5-aluminum-is-great-for-linear-slot-diffuser-vent-covers\" target=\"_blank\"\u003eWhy 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/linear-slot-diffuser-upgrade-retrofit-vs-new-construction\" title=\"Linear Slot Diffuser Upgrade: A Guide for Retrofit vs. New Construction\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eLinear Slot Diffuser: A Guide for Retrofit vs. New Construction\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca rel=\"noopener noreferrer\" title=\"CFD Airflow Analysis Services for Smarter HVAC Design\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/cfd-airflow-analysis-hvac-design\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eCFD Airflow Analysis Services for Smarter HVAC Design\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eWhat Makes a Grille, Register, or Diffuser \"Commercial Grade\"?\u003c\/h4\u003e\n\u003cp\u003eTrue commercial-grade GRD products provide architects, engineers, and HVAC professionals with the complete technical data needed for precise project specification. This includes detailed information on material composition and comprehensive performance metrics like flow rates, pressure drop, and noise criteria (NC).\u003c\/p\u003e\n\u003cp\u003eAll our products are rigorously tested in accordance with ADC1062:GRD-84 and the ASHRAE 70-2006 standards. We leverage computational fluid dynamics (CFD) and modern testing to continuously refine our designs for optimal performance and energy efficiency.\u003c\/p\u003e\n\u003cp\u003eSince 1997, we have been a trusted manufacturer of high-quality linear slot diffusers (from 1 to 12 slots) for the commercial HVAC industry. For project-specific questions and expert guidance, please \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca style=\"color: rgb(37, 150, 190);\" rel=\"noopener noreferrer\" title=\"Contact Us Form\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" target=\"_blank\"\u003econtact our product specialists\u003c\/a\u003e\u003c\/span\u003e\u003ca rel=\"noopener noreferrer\" title=\"Contact Us Form\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" target=\"_blank\"\u003e\u003c\/a\u003e at +1-604-437-1527.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eVideos\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eShowcase Video of Product - 1 Slot Linear Diffuser\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/7_HLSGJ1dE4?si=EY4zvH8u9dC4YY6Y\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eDemonstration of airflow direction adjustment - 1 Slot Linear Diffuser\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/1Ugg_bT9wDY?si=EHqofWnvuq2Knfv8\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eHow to insert a linear slot diffuser into a plenum\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/HFvCaQcs1rE?si=nYvC4-UoWcE1fsiu\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eLinear Slot Diffuser Smoke Test (Vertical Throw) Video - 1 Slot\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/wzy7QBMM3n0\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eLinear Slot Diffuser Smoke Test (Horizontal Throw) Video - 1 Slot\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/nMeJOL_9g-M\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eVideos of previous custom plenums\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/5kEmsTcA2uE?si=SBMMXiQkfyDlC7Ob\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/gqC7IVD_kbY?si=araziY9knWlseHoy\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eOur retail store showroom - Greater Vancouver, Canada\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/YeWxWnvc0pw?si=qV2UAJzkCEX6TARr\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"Linear Air Diffusers","offers":[{"title":"Default Title","offer_id":41732969463971,"sku":"FWASD19-1\/76W\/896L\/PCWS02","price":61.85,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-34-inch-1-slot-white-frontview-flomatrix-hvac.png?v=1745972601"},{"product_id":"22-linear-slot-diffuser-1-slot-with-19mm-slot-opening-hvac-vent-cover","title":"22\" Linear Slot Diffuser Vent Cover (1 Slot with 19mm Opening) - Matte White - FLO-MATRIX HVAC","description":"\u003ch5\u003eDetails\u003c\/h5\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003eThis 22-inch linear slot diffuser delivers both aesthetic appeal and performance with its crisp matte white finish. Unlike inferior alternatives, it's crafted from heavy-duty extruded aluminum - identical to the premium material specified for high-end commercial installations. This vent cover excels at maintaining consistent airflow in your environment while offering precise control for VAV applications through its 19mm slot opening and 180-degree adjustable blades. (See our airflow visualization video for performance verification in the videos section.) \u003cstrong\u003eWe recommend professional installation by qualified HVAC technicians for optimal results.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Size \u0026amp; Design:\u003c\/strong\u003e Features a clean 22” x 1.5\" nominal size with a sharp ¾\" (19mm) slot opening for a sleek, modern aesthetic. (\u003cem\u003ePlease refer to the size diagram for detailed dimensions\u003c\/em\u003e).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEliminates Ceiling Smudges: \u003c\/strong\u003eAn integrated weather-stripping seal prevents air leakage, protecting your ceiling from unsightly dust marks and ensuring all air is directed through the diffuser.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable, Commercial-Grade Construction: \u003c\/strong\u003eBuilt from heavy-duty \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/why-6063-t5-aluminum-is-great-for-linear-slot-diffuser-vent-covers\" title=\"Why 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003e6063-T5 architectural-grade aluminum\u003c\/a\u003e\u003c\/span\u003e with a tough powder coat finish and reinforced Tig welds to resist cracking, chipping, and bending for a lifetime of performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStrong Matte White Surface\u003c\/strong\u003e: Features a sophisticated matte white powder coat that is not only elegant but also remarkably resistant to wear, including scratches and corrosion.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClean, Minimalist Installation:\u003c\/strong\u003e Designed for a flawless look with no visible screw holes. Fastening points are discreetly located on the inner border sides. (Note: Fasteners are not included).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustom Airflow Solutions:\u003c\/strong\u003e \u003cspan style=\"color: rgb(31, 33, 36);\"\u003ePair this diffuser with a \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener noreferrer\" title=\"Custom Plenum Box - Built to your specifications by Flo-Matrix HVAC\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/custom-hvac-plenums\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003ecustomizable plenum box\u003c\/a\u003e\u003c\/span\u003e (sold separately) to perfectly match your HVAC system's requirements. \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener noreferrer\" title=\"Video of our plenums for linear slot diffusers air vent covers.\" href=\"https:\/\/youtu.be\/gqC7IVD_kbY?si=1LF7UVkcdi3Q07_p\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eWatch our plenums intro video\u003c\/a\u003e\u003c\/span\u003e to learn more.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShips worldwide from our Vancouver, Canada facility. Local pickup is also available at our showroom.\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eNeed custom sizes?\u003cstrong\u003e \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/pages\/linear-slot-diffuser-quote-request\" title=\"Request a Quote for Linear Slot Diffusers\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eRequest a quote for custom linear slot diffusers and plenums\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e to get pricing, lead times, and support for your project.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Linear_Slot_Diffuser_white_installed_photo.jpg?v=1780425749\" alt=\"White linear slot air diffuser installed in finished ceiling, minimalist HVAC vent design for effective heating, cooling, and ventilation.\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003ePerformance\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ctable style=\"width: 500px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003ctd style=\"width: 204.035px; height: 19px;\"\u003e\u003cb\u003e\u003cspan\u003ePerformance Data\u003c\/span\u003e\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; height: 19px;\"\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 157px; height: 19px;\"\u003e\u003cb\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/b\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 40px;\"\u003e\n\u003ctd style=\"width: 204.035px; text-align: center; height: 40px;\"\u003e\n\u003cp\u003e\u003cem\u003eFlow Rate\u003c\/em\u003e\u003cem\u003e\u003cspan\u003e \u003c\/span\u003e(CFM)\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; text-align: center; height: 40px;\"\u003e\u003cem\u003e Static Pressure (in.wg)\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 157px; text-align: center; height: 40px;\"\u003e\u003cem\u003eNoise Level (NC)\u003c\/em\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 59.3578px;\"\u003e\n\u003ctd style=\"width: 204.035px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e80\u003cbr\u003e110\u003cbr\u003e160\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e0.11\u003cbr\u003e0.20\u003cbr\u003e0.41\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 157px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e20\u003cbr\u003e30\u003cbr\u003e40\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e  * Flow rate (CFM) and static pressure (in.wg) are interrelated. It is crucial to know your HVAC system total or static pressure when choosing the proper GRD for optimal performance.\u003c\/p\u003e\n\u003cp\u003e* Performance data independently verified by a globally recognized third-party testing facility. Tested to ADC1062:GRD-84 and ASHRAE 70-2006 standards. CFD and modern testing ensure optimal performance and energy efficiency. For complete performance data, please \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Contact Flo-Matrix HVAC\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" target=\"_blank\"\u003econtact us\u003c\/a\u003e\u003c\/span\u003e.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003ca style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" title=\"Linear Slot Diffuser - 25mm wide opening - 1 Slot Vent Covers\" href=\"https:\/\/www.linearairdiffusers.com\/collections\/linear-slot-diffuser-1-slot-with-25mm-slot-opening\" target=\"_blank\"\u003eNeed more airflow? See the enhanced airflow 1-slot diffuser\u003c\/a\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/fwasd19-1-vs-fwasd25-1-linear-slot-diffuser-comparison-commercial-hvac.jpg?v=1780706496\" title=\"High Resolution of Comparison Table (FWASD19-1 VS. FWASD25-1)\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/fwasd19-1-vs-fwasd25-1-linear-slot-diffuser-comparison-commercial-hvac.jpg?v=1780706496\" alt=\"Commercial HVAC linear slot diffuser comparison between FWASD19-1 and FWASD25-1 featuring 3\/4 inch and 1 inch slot widths, airflow efficiency improvements, reduced pressure loss, quieter operation, showroom demonstration availability, and applications for commercial buildings and custom residential homes.\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" alt=\"Flo-Matrix HVAC vent cover with built-in weather foam strip compared to standard vent covers without foam gasket, showing improved air seal, reduced dust streaks, cleaner ceilings, better airflow efficiency, and lower maintenance requirements for residential and commercial HVAC applications.\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781729213\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003ca rel=\"noopener\" title=\"High Resolution of Professional HVAC Diffusers vs Mass Produced Diffusers | Quality Comparison Guide\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\" alt=\"Flo-Matrix HVAC professional-grade linear slot diffusers and air grilles compared to mass-produced generic store diffusers, highlighting T5 aluminum construction, superior airflow performance, expert technical support, custom manufacturing options, commercial project experience, showroom availability, and long-term HVAC performance benefits.\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eSubmittal\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #2b00ff;\"\u003e\u003cb\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Linear Slot Diffuser (one slot) Submittal Sheet High Resolution PDF Download\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Linear_Slot_Diffuser_1-slot_submittal_high_resolution_download.pdf?v=1750363158\" target=\"_blank\"\u003eClick here to download a high resolution of this submittal sheet\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"Linear Slot Diffuser -1-slot submittal\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-1-slot-submittal-flomatrix-hvac.jpg?v=1745795088\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eResources\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Linear Slot Diffuser Installation Guide High Resolution Download\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Linear_Slot_Diffuser_Installation_Instructions_High_Resolution.pdf?v=1759781403\" target=\"_blank\"\u003eLinear Slot Diffuser Installation Guide Download\u003c\/a\u003e\u003ca style=\"color: rgb(37, 150, 190);\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/19mm-vs-25mm-linear-slot-diffusers-a-quick-guide-for-hvac-pros-homeowners\" title=\"19mm vs. 25mm Linear Slot Diffusers: A Quick Guide for HVAC Pros \u0026amp; Homeowners\" rel=\"noopener noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca style=\"color: rgb(37, 150, 190);\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/19mm-vs-25mm-linear-slot-diffusers-a-quick-guide-for-hvac-pros-homeowners\" title=\"19mm vs. 25mm Linear Slot Diffusers: A Quick Guide for HVAC Pros \u0026amp; Homeowners\" rel=\"noopener noreferrer\" target=\"_blank\"\u003eOur Guide to 19mm VS. 25mm Slot Width Differences\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/linear-slot-diffusers-smart-choice-for-modern-hvac-systems\" title=\"Linear Slot Diffusers: The Smart Choice for Modern HVAC Systems\" rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eLinear Slot Diffusers: The Smart Choice for Modern HVAC Systems\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/why-6063-t5-aluminum-is-great-for-linear-slot-diffuser-vent-covers\" title=\"Why 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\" rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eWhy 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Linear Slot Diffuser Upgrade: A Guide for Retrofit vs. New Construction\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/linear-slot-diffuser-upgrade-retrofit-vs-new-construction\" target=\"_blank\"\u003eLinear Slot Diffuser: A Guide for Retrofit vs. New Construction\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca style=\"color: rgb(37, 150, 190);\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/cfd-airflow-analysis-hvac-design\" title=\"CFD Airflow Analysis Services for Smarter HVAC Design\" rel=\"noopener noreferrer\" target=\"_blank\"\u003eCFD Airflow Analysis Services for Smarter HVAC Design\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eWhat Makes a Grille, Register, or Diffuser \"Commercial Grade\"?\u003c\/h4\u003e\n\u003cp\u003eTrue commercial-grade GRD products provide architects, engineers, and HVAC professionals with the complete technical data needed for precise project specification. This includes detailed information on material composition and comprehensive performance metrics like flow rates, pressure drop, and noise criteria (NC).\u003c\/p\u003e\n\u003cp\u003eAll our products are rigorously tested in accordance with ADC1062:GRD-84 and the ASHRAE 70-2006 standards. We leverage computational fluid dynamics (CFD) and modern testing to continuously refine our designs for optimal performance and energy efficiency.\u003c\/p\u003e\n\u003cp\u003eSince 1997, we have been a trusted manufacturer of high-quality linear slot diffusers (from 1 to 12 slots) for the commercial HVAC industry. For project-specific questions and expert guidance, please \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca style=\"color: rgb(37, 150, 190);\" rel=\"noopener noreferrer\" title=\"Contact Us Form\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" target=\"_blank\"\u003econtact our product specialists\u003c\/a\u003e\u003c\/span\u003e at +1-604-437-1527.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eVideos\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eShowcase Video of Product - 1 Slot Linear Diffuser\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/7_HLSGJ1dE4?si=EY4zvH8u9dC4YY6Y\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eDemonstration of airflow direction adjustment - 1 Slot Linear Diffuser\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/1Ugg_bT9wDY?si=EHqofWnvuq2Knfv8\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eHow to insert a linear slot diffuser into a plenum\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/HFvCaQcs1rE?si=nYvC4-UoWcE1fsiu\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eLinear Slot Diffuser Smoke Test (Vertical Throw) Video - 1 Slot\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/wzy7QBMM3n0\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eLinear Slot Diffuser Smoke Test (Horizontal Throw) Video - 1 Slot\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/nMeJOL_9g-M\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eVideos of previous custom plenums\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/5kEmsTcA2uE?si=SBMMXiQkfyDlC7Ob\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/gqC7IVD_kbY?si=araziY9knWlseHoy\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eOur retail store showroom - Greater Vancouver, Canada\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/YeWxWnvc0pw?si=qV2UAJzkCEX6TARr\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"Linear Air Diffusers","offers":[{"title":"Default Title","offer_id":41732979622051,"sku":"FWASD19-1\/76W\/592L\/PCWS02","price":40.77,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-22-inch-1-slot-white-frontview-flomatrix-hvac.png?v=1745972402"},{"product_id":"12-linear-slot-diffuser-1-slot-19mm-opening-hvac-vent-cover-black","title":"12\" Linear Slot Diffuser Vent Cover (1 Slot with 19mm Opening) - Matte Black - FLO-MATRIX HVAC","description":"\u003ch5\u003e\u003cspan\u003eDetails\u003c\/span\u003e\u003c\/h5\u003e\n\u003cdiv\u003e\n\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003eThis 12-inch linear slot diffuser brings both form and function to your space with its sleek matte black finish. Unlike flimsy alternatives, it's built from solid extruded aluminum - the same material architects specify for high-traffic commercial projects. Whether you need consistent airflow in office spaces or precision control for VAV systems, the 19mm slot opening with 180-degree adjustable blades delivers. Check out our smoke test video in the videos section to see the airflow in action. \u003cstrong\u003eWe recommend installation by HVAC professionals for best results.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Size \u0026amp; Design:\u003c\/strong\u003e Features a clean 12\" x 1.5\" nominal size with a sharp ¾\" (19mm) slot opening for a sleek, modern aesthetic. (\u003cem\u003ePlease refer to the size diagram for detailed dimensions\u003c\/em\u003e).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEliminates Ceiling Smudges: \u003c\/strong\u003eAn integrated weather-stripping seal prevents air leakage, protecting your ceiling from unsightly dust marks and ensuring all air is directed through the diffuser.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable, Commercial-Grade Construction: \u003c\/strong\u003eBuilt from heavy-duty \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/why-6063-t5-aluminum-is-great-for-linear-slot-diffuser-vent-covers\" title=\"Why 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003e6063-T5 architectural-grade aluminum\u003c\/a\u003e\u003c\/span\u003e with a tough powder coat finish and reinforced Tig welds to resist cracking, chipping, and bending for a lifetime of performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSleek, Flawless Finish:\u003c\/strong\u003e Finished in a sophisticated matte black powder coat, chosen for its superb durability and high resistance to corrosion and everyday wear.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClean, Minimalist Installation:\u003c\/strong\u003e Designed for a flawless look with no visible screw holes. Fastening points are discreetly located on the inner border sides. (Note: Fasteners are not included).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMatching Plenum:\u003c\/strong\u003e \u003cspan style=\"color: rgb(31, 33, 36);\"\u003ePair this linear slot diffuser with our \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/products\/12x2-plenum-fxp\" title=\"Matching Custom Linear Slot Diffuser Plenum (12x2)\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003ecustomizable 12x2 Plenums FXP Series\u003c\/a\u003e\u003c\/span\u003e (sold separately) to perfectly match your HVAC system's requirements. \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca style=\"color: rgb(37, 150, 190);\" href=\"https:\/\/youtu.be\/gqC7IVD_kbY?si=1LF7UVkcdi3Q07_p\" title=\"Video of our plenums for linear slot diffusers air vent covers.\" rel=\"noopener noreferrer\" target=\"_blank\"\u003eWatch our plenums intro video\u003c\/a\u003e\u003c\/span\u003e or click \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Custom Plenum Box - Built to your specifications by Flo-Matrix HVAC\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/custom-hvac-plenums\" target=\"_blank\"\u003ehere to learn more about our custom plenums\u003c\/a\u003e\u003c\/span\u003e.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShips worldwide from our Vancouver, Canada facility. Local pickup is also available at our showroom.\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-12-inch-1-slot-black-fulldimensions-flomatrix-hvac.webp?v=1744830585\" alt=\"Complete dimensions of a black 12-inch 1-slot linear diffuser with 19mm openings for precision airflow in commercial HVAC systems\"\u003e\u003c\/p\u003e\n\u003cp\u003eNeed custom sizes?\u003cstrong\u003e \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/pages\/linear-slot-diffuser-quote-request\" title=\"Request a Quote for Linear Slot Diffusers\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eRequest a quote for custom linear slot diffusers and plenums\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e to get pricing, lead times, and support for your project.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Linear_Slot_Diffuser_black_installed_photo.jpg?v=1780354693\" alt=\"Black linear slot diffuser installed above a modern fireplace in a contemporary living room\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003ePerformance\u003c\/h5\u003e\n\u003ctable style=\"width: 500px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003ctd style=\"width: 204.035px; height: 19px;\"\u003e\u003cb\u003e\u003cspan\u003ePerformance Data\u003c\/span\u003e\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; height: 19px;\"\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 157px; height: 19px;\"\u003e\u003cb\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/b\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 40px;\"\u003e\n\u003ctd style=\"width: 204.035px; text-align: center; height: 40px;\"\u003e\n\u003cp\u003e\u003cem\u003eFlow Rate\u003c\/em\u003e\u003cem\u003e\u003cspan\u003e \u003c\/span\u003e(CFM)\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; text-align: center; height: 40px;\"\u003e\u003cem\u003e Static Pressure (in.wg)\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 157px; text-align: center; height: 40px;\"\u003e\u003cem\u003eNoise Level (NC)\u003c\/em\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 59.3578px;\"\u003e\n\u003ctd style=\"width: 204.035px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e43\u003cbr\u003e60\u003cbr\u003e87\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e0.11\u003cbr\u003e0.20\u003cbr\u003e0.41\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 157px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e20\u003cbr\u003e30\u003cbr\u003e40\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e  * Flow rate (CFM) and static pressure (in.wg) are interrelated. It is crucial to know your HVAC system total or static pressure when choosing the proper GRD for optimal performance.\u003c\/p\u003e\n\u003cp\u003e* Performance data independently verified by a globally recognized third-party testing facility. Tested to ADC1062:GRD-84 and ASHRAE 70-2006 standards. CFD and modern testing ensure optimal performance and energy efficiency. For complete performance data, please \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" title=\"Contact Flo-Matrix HVAC\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003econtact us\u003c\/a\u003e\u003c\/span\u003e.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/collections\/linear-slot-diffuser-1-slot-with-25mm-slot-opening\" title=\"Linear Slot Diffuser - 25mm wide opening - 1 Slot Vent Covers\" rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eNeed more airflow? See the enhanced airflow 1-slot diffuser\u003c\/a\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/fwasd19-1-vs-fwasd25-1-linear-slot-diffuser-comparison-commercial-hvac.jpg?v=1780706496\" title=\"High Resolution of Comparison Table (FWASD19-1 VS. FWASD25-1)\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/fwasd19-1-vs-fwasd25-1-linear-slot-diffuser-comparison-commercial-hvac.jpg?v=1780706496\" alt=\"Commercial HVAC linear slot diffuser comparison between FWASD19-1 and FWASD25-1 featuring 3\/4 inch and 1 inch slot widths, airflow efficiency improvements, reduced pressure loss, quieter operation, showroom demonstration availability, and applications for commercial buildings and custom residential homes.\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" alt=\"Flo-Matrix HVAC vent cover with built-in weather foam strip compared to standard vent covers without foam gasket, showing improved air seal, reduced dust streaks, cleaner ceilings, better airflow efficiency, and lower maintenance requirements for residential and commercial HVAC applications.\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781729213\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003ca rel=\"noopener\" title=\"High Resolution of Professional HVAC Diffusers vs Mass Produced Diffusers | Quality Comparison Guide\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\" alt=\"Flo-Matrix HVAC professional-grade linear slot diffusers and air grilles compared to mass-produced generic store diffusers, highlighting T5 aluminum construction, superior airflow performance, expert technical support, custom manufacturing options, commercial project experience, showroom availability, and long-term HVAC performance benefits.\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eSubmittal\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Linear Slot Diffuser (one slot) Submittal Sheet High Resolution PDF Download\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Linear_Slot_Diffuser_1-slot_submittal_high_resolution_download.pdf?v=1750363158\" target=\"_blank\"\u003eClick here to download a high resolution of this submittal sheet\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-1-slot-submittal-flomatrix-hvac_c1126db3-e0c7-42f5-91d0-8835b386d548.jpg?v=1744843355\" alt=\"Linear Slot Diffuser -1-slot submittal\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eResources\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Linear Slot Diffuser Installation Guide High Resolution Download\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Linear_Slot_Diffuser_Installation_Instructions_High_Resolution.pdf?v=1759781403\" target=\"_blank\"\u003eLinear Slot Diffuser Installation Guide Download\u003c\/a\u003e\u003ca style=\"color: rgb(37, 150, 190);\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/19mm-vs-25mm-linear-slot-diffusers-a-quick-guide-for-hvac-pros-homeowners\" title=\"19mm vs. 25mm Linear Slot Diffusers: A Quick Guide for HVAC Pros \u0026amp; Homeowners\" rel=\"noopener noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca style=\"color: rgb(37, 150, 190);\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/19mm-vs-25mm-linear-slot-diffusers-a-quick-guide-for-hvac-pros-homeowners\" title=\"19mm vs. 25mm Linear Slot Diffusers: A Quick Guide for HVAC Pros \u0026amp; Homeowners\" rel=\"noopener noreferrer\" target=\"_blank\"\u003eOur Guide to 19mm VS. 25mm Slot Width Differences\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/linear-slot-diffusers-smart-choice-for-modern-hvac-systems\" title=\"Linear Slot Diffusers: The Smart Choice for Modern HVAC Systems\" rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eLinear Slot Diffusers: The Smart Choice for Modern HVAC Systems\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/why-6063-t5-aluminum-is-great-for-linear-slot-diffuser-vent-covers\" title=\"Why 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\" rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eWhy 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Linear Slot Diffuser Upgrade: A Guide for Retrofit vs. New Construction\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/linear-slot-diffuser-upgrade-retrofit-vs-new-construction\" target=\"_blank\"\u003eLinear Slot Diffuser: A Guide for Retrofit vs. New Construction\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca style=\"color: rgb(37, 150, 190);\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/cfd-airflow-analysis-hvac-design\" title=\"CFD Airflow Analysis Services for Smarter HVAC Design\" rel=\"noopener noreferrer\" target=\"_blank\"\u003eCFD Airflow Analysis Services for Smarter HVAC Design\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eWhat Makes a Grille, Register, or Diffuser \"Commercial Grade\"?\u003c\/h4\u003e\n\u003cp\u003eTrue commercial-grade GRD products provide architects, engineers, and HVAC professionals with the complete technical data needed for precise project specification. This includes detailed information on material composition and comprehensive performance metrics like flow rates, pressure drop, and noise criteria (NC).\u003c\/p\u003e\n\u003cp\u003eAll our products are rigorously tested in accordance with ADC1062:GRD-84 and the ASHRAE 70-2006 standards. We leverage computational fluid dynamics (CFD) and modern testing to continuously refine our designs for optimal performance and energy efficiency.\u003c\/p\u003e\n\u003cp\u003eSince 1997, we have been a trusted manufacturer of high-quality linear slot diffusers (from 1 to 12 slots) for the commercial HVAC industry. For project-specific questions and expert guidance, please \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener noreferrer\" title=\"Contact Us Form\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003econtact our product specialists\u003c\/a\u003e\u003c\/span\u003e at +1-604-437-1527.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eVideos\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eShowcase Video of Product - 1 Slot Linear Diffuser\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/7_HLSGJ1dE4?si=EY4zvH8u9dC4YY6Y\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eDemonstration of airflow direction adjustment - 1 Slot Linear Diffuser\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/1Ugg_bT9wDY?si=EHqofWnvuq2Knfv8\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eHow to insert a linear slot diffuser into a plenum\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/HFvCaQcs1rE?si=nYvC4-UoWcE1fsiu\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eLinear Slot Diffuser Smoke Test (Vertical Throw) Video - 1 Slot\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/wzy7QBMM3n0\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eLinear Slot Diffuser Smoke Test (Horizontal Throw) Video - 1 Slot\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/nMeJOL_9g-M\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eVideos of previous custom plenums\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/5kEmsTcA2uE?si=SBMMXiQkfyDlC7Ob\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/gqC7IVD_kbY?si=araziY9knWlseHoy\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eOur retail store showroom - Greater Vancouver, Canada\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/YeWxWnvc0pw?si=qV2UAJzkCEX6TARr\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"Linear Air Diffusers","offers":[{"title":"Default Title","offer_id":41733359960227,"sku":"FWASD19-1\/76W\/333L\/005","price":30.66,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-12-inch-1-slot-black-frontview-flomatrix-hvac.webp?v=1744830532"},{"product_id":"24-linear-slot-diffuser-1-slot-with-19mm-slot-opening-hvac-vent-cover-matte-black-finish","title":"24\" Linear Slot Diffuser Vent Cover (1 Slot with 19mm Opening) - Matte Black - FLO-MATRIX HVAC","description":"\u003ch5\u003e\u003cspan\u003eDetails\u003c\/span\u003e\u003c\/h5\u003e\n\u003cdiv\u003e\n\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003eThis 24-inch linear slot diffuser brings both form and function to your space with its sleek matte black finish. Unlike flimsy alternatives, it's built from solid extruded aluminum - the same material architects specify for high-traffic commercial projects. Whether you need consistent airflow in office spaces or precision control for VAV systems, the 19mm slot opening with 180-degree adjustable blades delivers. Check out our smoke test video in the videos section to see the airflow in action. \u003cstrong\u003eWe recommend installation by HVAC professionals for best results.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Size \u0026amp; Design:\u003c\/strong\u003e Features a clean 24\" x 1.5\" nominal size with a sharp ¾\" (19mm) slot opening for a sleek, modern aesthetic. (\u003cem\u003ePlease refer to the size diagram for detailed dimensions\u003c\/em\u003e).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEliminates Ceiling Smudges: \u003c\/strong\u003eAn integrated weather-stripping seal prevents air leakage, protecting your ceiling from unsightly dust marks and ensuring all air is directed through the diffuser.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable, Commercial-Grade Construction: \u003c\/strong\u003eBuilt from heavy-duty \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/why-6063-t5-aluminum-is-great-for-linear-slot-diffuser-vent-covers\" title=\"Why 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003e6063-T5 architectural-grade aluminum\u003c\/a\u003e\u003c\/span\u003e with a tough powder coat finish and reinforced Tig welds to resist cracking, chipping, and bending for a lifetime of performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSleek, Flawless Finish:\u003c\/strong\u003e Finished in a sophisticated matte black powder coat, chosen for its superb durability and high resistance to corrosion and everyday wear.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClean, Minimalist Installation:\u003c\/strong\u003e Designed for a flawless look with no visible screw holes. Fastening points are discreetly located on the inner border sides. (Note: Fasteners are not included).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMatching Plenum:\u003c\/strong\u003e \u003cspan style=\"color: rgb(31, 33, 36);\"\u003ePair this linear slot diffuser with our \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/products\/24x2-plenums-fxp\" title=\"Matching Custom Linear Slot Diffuser Plenum (24x2)\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003ecustomizable 24x2 Plenums FXP Series\u003c\/a\u003e\u003c\/span\u003e (sold separately) to perfectly match your HVAC system's requirements. \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener noreferrer\" title=\"Video of our plenums for linear slot diffusers air vent covers.\" href=\"https:\/\/youtu.be\/gqC7IVD_kbY?si=1LF7UVkcdi3Q07_p\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eWatch our plenums intro video\u003c\/a\u003e\u003c\/span\u003e or click \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/pages\/custom-hvac-plenums\" title=\"Custom Plenum Box - Built to your specifications by Flo-Matrix HVAC\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003ehere to learn more about our custom plenums\u003c\/a\u003e\u003c\/span\u003e.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShips worldwide from our Vancouver, Canada facility. Local pickup is also available at our showroom.\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg alt=\"Full dimensions of a black 24-inch 1-slot linear diffuser with 19mm openings for precision airflow in commercial HVAC systems\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-24-inch-1-slot-black-fulldimensions-flomatrix-hvac.jpg?v=1744840842\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eNeed custom sizes?\u003cstrong\u003e \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/pages\/linear-slot-diffuser-quote-request\" title=\"Request a Quote for Linear Slot Diffusers\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eRequest a quote for custom linear slot diffusers and plenums\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e to get pricing, lead times, and support for your project.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Linear_Slot_Diffuser_black_installed_photo.jpg?v=1780354693\" alt=\"Black linear slot diffuser installed above a modern fireplace in a contemporary living room\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003ePerformance\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ctable style=\"width: 500px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003ctd style=\"width: 204.035px; height: 19px;\"\u003e\u003cb\u003e\u003cspan\u003ePerformance Data\u003c\/span\u003e\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; height: 19px;\"\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 157px; height: 19px;\"\u003e\u003cb\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/b\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 40px;\"\u003e\n\u003ctd style=\"width: 204.035px; text-align: center; height: 40px;\"\u003e\n\u003cp\u003e\u003cem\u003eFlow Rate\u003c\/em\u003e\u003cem\u003e\u003cspan\u003e \u003c\/span\u003e(CFM)\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; text-align: center; height: 40px;\"\u003e\u003cem\u003e Static Pressure (in.wg)\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 157px; text-align: center; height: 40px;\"\u003e\u003cem\u003eNoise Level (NC)\u003c\/em\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 59.3578px;\"\u003e\n\u003ctd style=\"width: 204.035px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e87\u003cbr\u003e120\u003cbr\u003e175\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e0.11\u003cbr\u003e0.20\u003cbr\u003e0.41\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 157px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e20\u003cbr\u003e30\u003cbr\u003e40\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e  * Flow rate (CFM) and static pressure (in.wg) are interrelated. It is crucial to know your HVAC system total or static pressure when choosing the proper GRD for optimal performance.\u003c\/p\u003e\n\u003cp\u003e* Performance data independently verified by a globally recognized third-party testing facility. Tested to ADC1062:GRD-84 and ASHRAE 70-2006 standards. CFD and modern testing ensure optimal performance and energy efficiency. For complete performance data, please \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Contact Flo-Matrix HVAC\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" target=\"_blank\"\u003econtact us\u003c\/a\u003e\u003c\/span\u003e.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003ca style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" title=\"Linear Slot Diffuser - 25mm wide opening - 1 Slot Vent Covers\" href=\"https:\/\/www.linearairdiffusers.com\/collections\/linear-slot-diffuser-1-slot-with-25mm-slot-opening\" target=\"_blank\"\u003eNeed more airflow? See the enhanced airflow 1-slot diffuser\u003c\/a\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/fwasd19-1-vs-fwasd25-1-linear-slot-diffuser-comparison-commercial-hvac.jpg?v=1780706496\" title=\"High Resolution of Comparison Table (FWASD19-1 VS. FWASD25-1)\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/fwasd19-1-vs-fwasd25-1-linear-slot-diffuser-comparison-commercial-hvac.jpg?v=1780706496\" alt=\"Commercial HVAC linear slot diffuser comparison between FWASD19-1 and FWASD25-1 featuring 3\/4 inch and 1 inch slot widths, airflow efficiency improvements, reduced pressure loss, quieter operation, showroom demonstration availability, and applications for commercial buildings and custom residential homes.\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" alt=\"Flo-Matrix HVAC vent cover with built-in weather foam strip compared to standard vent covers without foam gasket, showing improved air seal, reduced dust streaks, cleaner ceilings, better airflow efficiency, and lower maintenance requirements for residential and commercial HVAC applications.\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781729213\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003ca rel=\"noopener\" title=\"High Resolution of Professional HVAC Diffusers vs Mass Produced Diffusers | Quality Comparison Guide\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\" alt=\"Flo-Matrix HVAC professional-grade linear slot diffusers and air grilles compared to mass-produced generic store diffusers, highlighting T5 aluminum construction, superior airflow performance, expert technical support, custom manufacturing options, commercial project experience, showroom availability, and long-term HVAC performance benefits.\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5 style=\"text-align: left;\"\u003eSubmittal\u003c\/h5\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Linear Slot Diffuser (one slot) Submittal Sheet High Resolution PDF Download\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Linear_Slot_Diffuser_1-slot_submittal_high_resolution_download.pdf?v=1750363158\" target=\"_blank\"\u003eClick here to download a high resolution of this submittal sheet\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-1-slot-submittal-flomatrix-hvac_c1126db3-e0c7-42f5-91d0-8835b386d548.jpg?v=1744843355\" alt=\"Linear Slot Diffuser -1-slot submittal\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eResources\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Linear Slot Diffuser Installation Guide High Resolution Download\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Linear_Slot_Diffuser_Installation_Instructions_High_Resolution.pdf?v=1759781403\" target=\"_blank\"\u003eLinear Slot Diffuser Installation Guide Download\u003c\/a\u003e\u003ca style=\"color: rgb(37, 150, 190);\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/19mm-vs-25mm-linear-slot-diffusers-a-quick-guide-for-hvac-pros-homeowners\" title=\"19mm vs. 25mm Linear Slot Diffusers: A Quick Guide for HVAC Pros \u0026amp; Homeowners\" rel=\"noopener noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca style=\"color: rgb(37, 150, 190);\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/19mm-vs-25mm-linear-slot-diffusers-a-quick-guide-for-hvac-pros-homeowners\" title=\"19mm vs. 25mm Linear Slot Diffusers: A Quick Guide for HVAC Pros \u0026amp; Homeowners\" rel=\"noopener noreferrer\" target=\"_blank\"\u003eOur Guide to 19mm VS. 25mm Slot Width Differences\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/linear-slot-diffusers-smart-choice-for-modern-hvac-systems\" title=\"Linear Slot Diffusers: The Smart Choice for Modern HVAC Systems\" rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eLinear Slot Diffusers: The Smart Choice for Modern HVAC Systems\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/why-6063-t5-aluminum-is-great-for-linear-slot-diffuser-vent-covers\" title=\"Why 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\" rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eWhy 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Linear Slot Diffuser Upgrade: A Guide for Retrofit vs. New Construction\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/linear-slot-diffuser-upgrade-retrofit-vs-new-construction\" target=\"_blank\"\u003eLinear Slot Diffuser: A Guide for Retrofit vs. New Construction\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca style=\"color: rgb(37, 150, 190);\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/cfd-airflow-analysis-hvac-design\" title=\"CFD Airflow Analysis Services for Smarter HVAC Design\" rel=\"noopener noreferrer\" target=\"_blank\"\u003eCFD Airflow Analysis Services for Smarter HVAC Design\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eWhat Makes a Grille, Register, or Diffuser \"Commercial Grade\"?\u003c\/h4\u003e\n\u003cp\u003eTrue commercial-grade GRD products provide architects, engineers, and HVAC professionals with the complete technical data needed for precise project specification. This includes detailed information on material composition and comprehensive performance metrics like flow rates, pressure drop, and noise criteria (NC).\u003c\/p\u003e\n\u003cp\u003eAll our products are rigorously tested in accordance with ADC1062:GRD-84 and the ASHRAE 70-2006 standards. We leverage computational fluid dynamics (CFD) and modern testing to continuously refine our designs for optimal performance and energy efficiency.\u003c\/p\u003e\n\u003cp\u003eSince 1997, we have been a trusted manufacturer of high-quality linear slot diffusers (from 1 to 12 slots) for the commercial HVAC industry. For project-specific questions and expert guidance, please \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca style=\"color: rgb(37, 150, 190);\" rel=\"noopener noreferrer\" title=\"Contact Us Form\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" target=\"_blank\"\u003econtact our product specialists\u003c\/a\u003e\u003c\/span\u003e at +1-604-437-1527.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eVideos\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eShowcase Video of Product - 1 Slot Linear Diffuser\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/7_HLSGJ1dE4?si=EY4zvH8u9dC4YY6Y\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eDemonstration of airflow direction adjustment - 1 Slot Linear Diffuser\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/1Ugg_bT9wDY?si=EHqofWnvuq2Knfv8\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eHow to insert a linear slot diffuser into a plenum\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/HFvCaQcs1rE?si=nYvC4-UoWcE1fsiu\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eLinear Slot Diffuser Smoke Test (Vertical Throw) Video - 1 Slot\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/wzy7QBMM3n0\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eLinear Slot Diffuser Smoke Test (Horizontal Throw) Video - 1 Slot\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/nMeJOL_9g-M\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eVideos of previous custom plenums\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/5kEmsTcA2uE?si=SBMMXiQkfyDlC7Ob\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/gqC7IVD_kbY?si=araziY9knWlseHoy\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eOur retail store showroom - Greater Vancouver, Canada\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/YeWxWnvc0pw?si=qV2UAJzkCEX6TARr\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eVideo of previous custom plenums\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/gqC7IVD_kbY?si=araziY9knWlseHoy\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eOur retail store showroom - Greater Vancouver, Canada\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/YeWxWnvc0pw?si=qV2UAJzkCEX6TARr\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"Linear Air Diffusers","offers":[{"title":"Default Title","offer_id":41733366579363,"sku":"FWASD19-1\/76W\/638L\/005","price":43.27,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-24-inch-1-slot-black-frontview-flomatrix-hvac.jpg?v=1744840842"},{"product_id":"36-linear-slot-diffuser-1-slot-19mm-opening-black","title":"36\" Linear Slot Diffuser Vent Cover (1 Slot with 19mm Opening) - Matte Black - FLO-MATRIX HVAC","description":"\u003ch5\u003e\u003cspan\u003eDetails\u003c\/span\u003e\u003c\/h5\u003e\n\u003cdiv\u003e\n\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003eThis 36-inch linear slot diffuser brings both form and function to your space with its sleek matte black finish. Unlike flimsy alternatives, it's built from solid extruded aluminum - the same material architects specify for high-traffic commercial projects. Whether you need consistent airflow in office spaces or precision control for VAV systems, the 19mm slot opening with 180-degree adjustable blades delivers. Check out our smoke test video in the videos section to see the airflow in action. \u003cstrong\u003eWe recommend installation by HVAC professionals for best results.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Size \u0026amp; Design:\u003c\/strong\u003e Features a clean 36\" x 1.5\" nominal size with a sharp ¾\" (19mm) slot opening for a sleek, modern aesthetic. (\u003cem\u003ePlease refer to the size diagram for detailed dimensions\u003c\/em\u003e).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEliminates Ceiling Smudges: \u003c\/strong\u003eAn integrated weather-stripping seal prevents air leakage, protecting your ceiling from unsightly dust marks and ensuring all air is directed through the diffuser.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable, Commercial-Grade Construction: \u003c\/strong\u003eBuilt from heavy-duty \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/why-6063-t5-aluminum-is-great-for-linear-slot-diffuser-vent-covers\" title=\"Why 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003e6063-T5 architectural-grade aluminum\u003c\/a\u003e\u003c\/span\u003e with a tough powder coat finish and reinforced Tig welds to resist cracking, chipping, and bending for a lifetime of performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSleek, Flawless Finish:\u003c\/strong\u003e Finished in a sophisticated matte black powder coat, chosen for its superb durability and high resistance to corrosion and everyday wear.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClean, Minimalist Installation:\u003c\/strong\u003e Designed for a flawless look with no visible screw holes. Fastening points are discreetly located on the inner border sides. (Note: Fasteners are not included).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustom Airflow Solutions:\u003c\/strong\u003e \u003cspan style=\"color: rgb(31, 33, 36);\"\u003ePair this diffuser with a \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener noreferrer\" title=\"Custom Plenum Box - Built to your specifications by Flo-Matrix HVAC\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/custom-hvac-plenums\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003ecustomizable plenum box\u003c\/a\u003e\u003c\/span\u003e (sold separately) to perfectly match your HVAC system's requirements. \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener noreferrer\" title=\"Video of our plenums for linear slot diffusers air vent covers.\" href=\"https:\/\/youtu.be\/gqC7IVD_kbY?si=1LF7UVkcdi3Q07_p\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eWatch our plenums intro video\u003c\/a\u003e\u003c\/span\u003e to learn more.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShips worldwide from our Vancouver, Canada facility. Local pickup is also available at our showroom.\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-36-inch-1-slot-black-fulldimensions-flomatrix-hvac.jpg?v=1744842419\" alt=\"Complete dimensions of a black 36-inch 1-slot linear diffuser with 19mm openings for precision airflow in commercial HVAC systems\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eNeed custom sizes?\u003cstrong\u003e \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/pages\/linear-slot-diffuser-quote-request\" title=\"Request a Quote for Linear Slot Diffusers\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eRequest a quote for custom linear slot diffusers and plenums\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e to get pricing, lead times, and support for your project.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Linear_Slot_Diffuser_black_installed_photo.jpg?v=1780354693\" alt=\"Black linear slot diffuser installed above a modern fireplace in a contemporary living room\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003ePerformance\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ctable style=\"width: 500px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003ctd style=\"width: 204.035px; height: 19px;\"\u003e\u003cb\u003e\u003cspan\u003ePerformance Data\u003c\/span\u003e\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; height: 19px;\"\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 157px; height: 19px;\"\u003e\u003cb\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/b\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 40px;\"\u003e\n\u003ctd style=\"width: 204.035px; text-align: center; height: 40px;\"\u003e\n\u003cp\u003e\u003cem\u003eFlow Rate\u003c\/em\u003e\u003cem\u003e\u003cspan\u003e \u003c\/span\u003e(CFM)\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; text-align: center; height: 40px;\"\u003e\u003cem\u003e Static Pressure (in.wg)\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 157px; text-align: center; height: 40px;\"\u003e\u003cem\u003eNoise Level (NC)\u003c\/em\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 59.3578px;\"\u003e\n\u003ctd style=\"width: 204.035px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e131\u003cbr\u003e180\u003cbr\u003e262\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e0.11\u003cbr\u003e0.20\u003cbr\u003e0.41\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 157px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e20\u003cbr\u003e30\u003cbr\u003e40\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e  * Flow rate (CFM) and static pressure (in.wg) are interrelated. It is crucial to know your HVAC system total or static pressure when choosing the proper GRD for optimal performance.\u003c\/p\u003e\n\u003cp\u003e* Performance data independently verified by a globally recognized third-party testing facility. Tested to ADC1062:GRD-84 and ASHRAE 70-2006 standards. CFD and modern testing ensure optimal performance and energy efficiency. For complete performance data, please \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Contact Flo-Matrix HVAC\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" target=\"_blank\"\u003econtact us\u003c\/a\u003e\u003c\/span\u003e.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003ca style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" title=\"Linear Slot Diffuser - 25mm wide opening - 1 Slot Vent Covers\" href=\"https:\/\/www.linearairdiffusers.com\/collections\/linear-slot-diffuser-1-slot-with-25mm-slot-opening\" target=\"_blank\"\u003eNeed more airflow? See the enhanced airflow 1-slot diffuser\u003c\/a\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/fwasd19-1-vs-fwasd25-1-linear-slot-diffuser-comparison-commercial-hvac.jpg?v=1780706496\" title=\"High Resolution of Comparison Table (FWASD19-1 VS. FWASD25-1)\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/fwasd19-1-vs-fwasd25-1-linear-slot-diffuser-comparison-commercial-hvac.jpg?v=1780706496\" alt=\"Commercial HVAC linear slot diffuser comparison between FWASD19-1 and FWASD25-1 featuring 3\/4 inch and 1 inch slot widths, airflow efficiency improvements, reduced pressure loss, quieter operation, showroom demonstration availability, and applications for commercial buildings and custom residential homes.\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" alt=\"Flo-Matrix HVAC vent cover with built-in weather foam strip compared to standard vent covers without foam gasket, showing improved air seal, reduced dust streaks, cleaner ceilings, better airflow efficiency, and lower maintenance requirements for residential and commercial HVAC applications.\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781729213\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003ca rel=\"noopener\" title=\"High Resolution of Professional HVAC Diffusers vs Mass Produced Diffusers | Quality Comparison Guide\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\" alt=\"Flo-Matrix HVAC professional-grade linear slot diffusers and air grilles compared to mass-produced generic store diffusers, highlighting T5 aluminum construction, superior airflow performance, expert technical support, custom manufacturing options, commercial project experience, showroom availability, and long-term HVAC performance benefits.\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eSubmittal\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Linear Slot Diffuser (one slot) Submittal Sheet High Resolution PDF Download\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Linear_Slot_Diffuser_1-slot_submittal_high_resolution_download.pdf?v=1750363158\" target=\"_blank\"\u003eClick here to download a high resolution of this submittal sheet\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"Linear Slot Diffuser -1-slot submittal\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-1-slot-submittal-flomatrix-hvac_c1126db3-e0c7-42f5-91d0-8835b386d548.jpg?v=1744843355\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eResources\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Linear_Slot_Diffuser_Installation_Instructions_High_Resolution.pdf?v=1759781403\" title=\"Linear Slot Diffuser Installation Guide High Resolution Download\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eLinear Slot Diffuser Installation Guide Download\u003c\/a\u003e\u003ca rel=\"noopener noreferrer\" title=\"19mm vs. 25mm Linear Slot Diffusers: A Quick Guide for HVAC Pros \u0026amp; Homeowners\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/19mm-vs-25mm-linear-slot-diffusers-a-quick-guide-for-hvac-pros-homeowners\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca rel=\"noopener noreferrer\" title=\"19mm vs. 25mm Linear Slot Diffusers: A Quick Guide for HVAC Pros \u0026amp; Homeowners\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/19mm-vs-25mm-linear-slot-diffusers-a-quick-guide-for-hvac-pros-homeowners\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eOur Guide to 19mm VS. 25mm Slot Width Differences\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" title=\"Linear Slot Diffusers: The Smart Choice for Modern HVAC Systems\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/linear-slot-diffusers-smart-choice-for-modern-hvac-systems\" target=\"_blank\"\u003eLinear Slot Diffusers: The Smart Choice for Modern HVAC Systems\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" title=\"Why 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/why-6063-t5-aluminum-is-great-for-linear-slot-diffuser-vent-covers\" target=\"_blank\"\u003eWhy 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/linear-slot-diffuser-upgrade-retrofit-vs-new-construction\" title=\"Linear Slot Diffuser Upgrade: A Guide for Retrofit vs. New Construction\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eLinear Slot Diffuser: A Guide for Retrofit vs. New Construction\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca rel=\"noopener noreferrer\" title=\"CFD Airflow Analysis Services for Smarter HVAC Design\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/cfd-airflow-analysis-hvac-design\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eCFD Airflow Analysis Services for Smarter HVAC Design\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eWhat Makes a Grille, Register, or Diffuser \"Commercial Grade\"?\u003c\/h4\u003e\n\u003cp\u003eTrue commercial-grade GRD products provide architects, engineers, and HVAC professionals with the complete technical data needed for precise project specification. This includes detailed information on material composition and comprehensive performance metrics like flow rates, pressure drop, and noise criteria (NC).\u003c\/p\u003e\n\u003cp\u003eAll our products are rigorously tested in accordance with ADC1062:GRD-84 and the ASHRAE 70-2006 standards. We leverage computational fluid dynamics (CFD) and modern testing to continuously refine our designs for optimal performance and energy efficiency.\u003c\/p\u003e\n\u003cp\u003eSince 1997, we have been a trusted manufacturer of high-quality linear slot diffusers (from 1 to 12 slots) for the commercial HVAC industry. For project-specific questions and expert guidance, please \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca style=\"color: rgb(37, 150, 190);\" rel=\"noopener noreferrer\" title=\"Contact Us Form\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" target=\"_blank\"\u003econtact our product specialists\u003c\/a\u003e\u003c\/span\u003e at +1-604-437-1527.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eVideos\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eShowcase Video of Product - 1 Slot Linear Diffuser\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/7_HLSGJ1dE4?si=EY4zvH8u9dC4YY6Y\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eDemonstration of airflow direction adjustment - 1 Slot Linear Diffuser\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/1Ugg_bT9wDY?si=EHqofWnvuq2Knfv8\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eHow to insert a linear slot diffuser into a plenum\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/HFvCaQcs1rE?si=nYvC4-UoWcE1fsiu\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eLinear Slot Diffuser Smoke Test (Vertical Throw) Video - 1 Slot\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/wzy7QBMM3n0\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eLinear Slot Diffuser Smoke Test (Horizontal Throw) Video - 1 Slot\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/nMeJOL_9g-M\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eVideos of previous custom plenums\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/5kEmsTcA2uE?si=SBMMXiQkfyDlC7Ob\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/gqC7IVD_kbY?si=araziY9knWlseHoy\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eOur retail store showroom - Greater Vancouver, Canada\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/YeWxWnvc0pw?si=qV2UAJzkCEX6TARr\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"Linear Air Diffusers","offers":[{"title":"Default Title","offer_id":41733374640291,"sku":"FWASD19-1\/76W\/942L\/005","price":63.78,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-36-inch-1-slot-black-frontview-flomatrix-hvac.jpg?v=1744842393"},{"product_id":"48-linear-slot-diffuser-1-slot-19mm-opening-hvac-vent-cover-black","title":"48\" Linear Slot Diffuser Vent Cover (1 Slot with 19mm Opening) - Matte Black - FLO-MATRIX HVAC","description":"\u003ch5\u003e\u003cspan\u003eDetails\u003c\/span\u003e\u003c\/h5\u003e\n\u003cdiv\u003e\n\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003eThis 48-inch linear slot diffuser brings both form and function to your space with its sleek matte black finish. Unlike flimsy alternatives, it's built from solid extruded aluminum - the same material architects specify for high-traffic commercial projects. Whether you need consistent airflow in office spaces or precision control for VAV systems, the 19mm slot opening with 180-degree adjustable blades delivers. Check out our smoke test video in the videos section to see the airflow in action. \u003cstrong\u003eWe recommend installation by HVAC professionals for best results.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Size \u0026amp; Design:\u003c\/strong\u003e Features a clean 48\" x 1.5\" nominal size with a sharp ¾\" (19mm) slot opening for a sleek, modern aesthetic. (\u003cem\u003ePlease refer to the size diagram for detailed dimensions\u003c\/em\u003e).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEliminates Ceiling Smudges: \u003c\/strong\u003eAn integrated weather-stripping seal prevents air leakage, protecting your ceiling from unsightly dust marks and ensuring all air is directed through the diffuser.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable, Commercial-Grade Construction: \u003c\/strong\u003eBuilt from heavy-duty \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/why-6063-t5-aluminum-is-great-for-linear-slot-diffuser-vent-covers\" title=\"Why 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003e6063-T5 architectural-grade aluminum\u003c\/a\u003e\u003c\/span\u003e with a tough powder coat finish and reinforced Tig welds to resist cracking, chipping, and bending for a lifetime of performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSleek, Flawless Finish:\u003c\/strong\u003e Finished in a sophisticated matte black powder coat, chosen for its superb durability and high resistance to corrosion and everyday wear.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClean, Minimalist Installation:\u003c\/strong\u003e Designed for a flawless look with no visible screw holes. Fastening points are discreetly located on the inner border sides. (Note: Fasteners are not included).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustom Airflow Solutions:\u003c\/strong\u003e \u003cspan style=\"color: rgb(31, 33, 36);\"\u003ePair this diffuser with a \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener noreferrer\" title=\"Custom Plenum Box - Built to your specifications by Flo-Matrix HVAC\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/custom-hvac-plenums\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003ecustomizable plenum box\u003c\/a\u003e\u003c\/span\u003e (sold separately) to perfectly match your HVAC system's requirements. \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener noreferrer\" title=\"Video of our plenums for linear slot diffusers air vent covers.\" href=\"https:\/\/youtu.be\/gqC7IVD_kbY?si=1LF7UVkcdi3Q07_p\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eWatch our plenums intro video\u003c\/a\u003e\u003c\/span\u003e to learn more.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShips worldwide from our Vancouver, Canada facility. Local pickup is also available at our showroom.\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg alt=\"Complete dimensions of a black 48-inch 1-slot linear diffuser with 19mm openings for precision airflow in commercial HVAC systems\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-48-inch-1-slot-black-fulldimensions-flomatrix-hvac.jpg?v=1744842987\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eNeed custom sizes?\u003cstrong\u003e \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/pages\/linear-slot-diffuser-quote-request\" title=\"Request a Quote for Linear Slot Diffusers\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eRequest a quote for custom linear slot diffusers and plenums\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e to get pricing, lead times, and support for your project.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Linear_Slot_Diffuser_black_installed_photo.jpg?v=1780354693\" alt=\"Black linear slot diffuser installed above a modern fireplace in a contemporary living room\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003ePerformance\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ctable style=\"width: 500px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003ctd style=\"width: 204.035px; height: 19px;\"\u003e\u003cb\u003e\u003cspan\u003ePerformance Data\u003c\/span\u003e\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; height: 19px;\"\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 157px; height: 19px;\"\u003e\u003cb\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/b\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 40px;\"\u003e\n\u003ctd style=\"width: 204.035px; text-align: center; height: 40px;\"\u003e\n\u003cp\u003e\u003cem\u003eFlow Rate\u003c\/em\u003e\u003cem\u003e\u003cspan\u003e \u003c\/span\u003e(CFM)\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; text-align: center; height: 40px;\"\u003e\u003cem\u003e Static Pressure (in.wg)\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 157px; text-align: center; height: 40px;\"\u003e\u003cem\u003eNoise Level (NC)\u003c\/em\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 59.3578px;\"\u003e\n\u003ctd style=\"width: 204.035px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e175\u003cbr\u003e240\u003cbr\u003e350\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e0.11\u003cbr\u003e0.20\u003cbr\u003e0.41\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 157px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e20\u003cbr\u003e30\u003cbr\u003e40\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e  * Flow rate (CFM) and static pressure (in.wg) are interrelated. It is crucial to know your HVAC system total or static pressure when choosing the proper GRD for optimal performance.\u003c\/p\u003e\n\u003cp\u003e* Performance data independently verified by a globally recognized third-party testing facility. Tested to ADC1062:GRD-84 and ASHRAE 70-2006 standards. CFD and modern testing ensure optimal performance and energy efficiency. For complete performance data, please \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Contact Flo-Matrix HVAC\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" target=\"_blank\"\u003econtact us\u003c\/a\u003e\u003c\/span\u003e.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003ca style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" title=\"Linear Slot Diffuser - 25mm wide opening - 1 Slot Vent Covers\" href=\"https:\/\/www.linearairdiffusers.com\/collections\/linear-slot-diffuser-1-slot-with-25mm-slot-opening\" target=\"_blank\"\u003eNeed more airflow? See the enhanced airflow 1-slot diffuser\u003c\/a\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/fwasd19-1-vs-fwasd25-1-linear-slot-diffuser-comparison-commercial-hvac.jpg?v=1780706496\" title=\"High Resolution of Comparison Table (FWASD19-1 VS. FWASD25-1)\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/fwasd19-1-vs-fwasd25-1-linear-slot-diffuser-comparison-commercial-hvac.jpg?v=1780706496\" alt=\"Commercial HVAC linear slot diffuser comparison between FWASD19-1 and FWASD25-1 featuring 3\/4 inch and 1 inch slot widths, airflow efficiency improvements, reduced pressure loss, quieter operation, showroom demonstration availability, and applications for commercial buildings and custom residential homes.\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" alt=\"Flo-Matrix HVAC vent cover with built-in weather foam strip compared to standard vent covers without foam gasket, showing improved air seal, reduced dust streaks, cleaner ceilings, better airflow efficiency, and lower maintenance requirements for residential and commercial HVAC applications.\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781729213\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003ca rel=\"noopener\" title=\"High Resolution of Professional HVAC Diffusers vs Mass Produced Diffusers | Quality Comparison Guide\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\" alt=\"Flo-Matrix HVAC professional-grade linear slot diffusers and air grilles compared to mass-produced generic store diffusers, highlighting T5 aluminum construction, superior airflow performance, expert technical support, custom manufacturing options, commercial project experience, showroom availability, and long-term HVAC performance benefits.\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eSubmittal\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Linear Slot Diffuser (one slot) Submittal Sheet High Resolution PDF Download\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Linear_Slot_Diffuser_1-slot_submittal_high_resolution_download.pdf?v=1750363158\" target=\"_blank\"\u003eClick here to download a high resolution of this submittal sheet\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-1-slot-submittal-flomatrix-hvac_c1126db3-e0c7-42f5-91d0-8835b386d548.jpg?v=1744843355\" alt=\"Linear Slot Diffuser -1-slot submittal\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eResources\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Linear_Slot_Diffuser_Installation_Instructions_High_Resolution.pdf?v=1759781403\" title=\"Linear Slot Diffuser Installation Guide High Resolution Download\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eLinear Slot Diffuser Installation Guide Download\u003c\/a\u003e\u003ca rel=\"noopener noreferrer\" title=\"19mm vs. 25mm Linear Slot Diffusers: A Quick Guide for HVAC Pros \u0026amp; Homeowners\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/19mm-vs-25mm-linear-slot-diffusers-a-quick-guide-for-hvac-pros-homeowners\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca rel=\"noopener noreferrer\" title=\"19mm vs. 25mm Linear Slot Diffusers: A Quick Guide for HVAC Pros \u0026amp; Homeowners\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/19mm-vs-25mm-linear-slot-diffusers-a-quick-guide-for-hvac-pros-homeowners\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eOur Guide to 19mm VS. 25mm Slot Width Differences\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" title=\"Linear Slot Diffusers: The Smart Choice for Modern HVAC Systems\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/linear-slot-diffusers-smart-choice-for-modern-hvac-systems\" target=\"_blank\"\u003eLinear Slot Diffusers: The Smart Choice for Modern HVAC Systems\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" title=\"Why 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/why-6063-t5-aluminum-is-great-for-linear-slot-diffuser-vent-covers\" target=\"_blank\"\u003eWhy 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/linear-slot-diffuser-upgrade-retrofit-vs-new-construction\" title=\"Linear Slot Diffuser Upgrade: A Guide for Retrofit vs. New Construction\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eLinear Slot Diffuser: A Guide for Retrofit vs. New Construction\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca rel=\"noopener noreferrer\" title=\"CFD Airflow Analysis Services for Smarter HVAC Design\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/cfd-airflow-analysis-hvac-design\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eCFD Airflow Analysis Services for Smarter HVAC Design\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eWhat Makes a Grille, Register, or Diffuser \"Commercial Grade\"?\u003c\/h4\u003e\n\u003cp\u003eTrue commercial-grade GRD products provide architects, engineers, and HVAC professionals with the complete technical data needed for precise project specification. This includes detailed information on material composition and comprehensive performance metrics like flow rates, pressure drop, and noise criteria (NC).\u003c\/p\u003e\n\u003cp\u003eAll our products are rigorously tested in accordance with ADC1062:GRD-84 and the ASHRAE 70-2006 standards. We leverage computational fluid dynamics (CFD) and modern testing to continuously refine our designs for optimal performance and energy efficiency.\u003c\/p\u003e\n\u003cp\u003eSince 1997, we have been a trusted manufacturer of high-quality linear slot diffusers (from 1 to 12 slots) for the commercial HVAC industry. For project-specific questions and expert guidance, please \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca style=\"color: rgb(37, 150, 190);\" rel=\"noopener noreferrer\" title=\"Contact Us Form\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" target=\"_blank\"\u003econtact our product specialists\u003c\/a\u003e\u003c\/span\u003e at +1-604-437-1527.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eVideos\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eShowcase Video of Product - 1 Slot Linear Diffuser\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/7_HLSGJ1dE4?si=EY4zvH8u9dC4YY6Y\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eDemonstration of airflow direction adjustment - 1 Slot Linear Diffuser\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/1Ugg_bT9wDY?si=EHqofWnvuq2Knfv8\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eHow to insert a linear slot diffuser into a plenum\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/HFvCaQcs1rE?si=nYvC4-UoWcE1fsiu\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eLinear Slot Diffuser Smoke Test (Vertical Throw) Video - 1 Slot\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/wzy7QBMM3n0\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eLinear Slot Diffuser Smoke Test (Horizontal Throw) Video - 1 Slot\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/nMeJOL_9g-M\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eVideos of previous custom plenums\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/5kEmsTcA2uE?si=SBMMXiQkfyDlC7Ob\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/gqC7IVD_kbY?si=araziY9knWlseHoy\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eOur retail store showroom - Greater Vancouver, Canada\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/YeWxWnvc0pw?si=qV2UAJzkCEX6TARr\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"Linear Air Diffusers","offers":[{"title":"Default Title","offer_id":41733390172323,"sku":"FWASD19-1\/76W\/1251L\/005","price":84.41,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-48-inch-1-slot-black-frontview-flomatrix-hvac.jpg?v=1744842987"},{"product_id":"22-linear-slot-diffuser-1-slot-with-19mm-slot-opening-hvac-vent-cover-matte-black-finish","title":"22\" Linear Slot Diffuser Vent Cover (1 Slot with 19mm Opening) - Matte Black - FLO-MATRIX HVAC","description":"\u003ch5\u003e\u003cspan\u003eDetails\u003c\/span\u003e\u003c\/h5\u003e\n\u003cdiv\u003e\n\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003eThis 22-inch linear slot diffuser brings both form and function to your space with its sleek matte black finish. Unlike flimsy alternatives, it's built from solid extruded aluminum - the same material architects specify for high-traffic commercial projects. Whether you need consistent airflow in office spaces or precision control for VAV systems, the 19mm slot opening with 180-degree adjustable blades delivers. Check out our smoke test video in the videos section to see the airflow in action. \u003cstrong\u003eWe recommend installation by HVAC professionals for best results.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Size \u0026amp; Design:\u003c\/strong\u003e Features a clean 22\" x 1.5\" nominal size with a sharp ¾\" (19mm) slot opening for a sleek, modern aesthetic. (\u003cem\u003ePlease refer to the size diagram for detailed dimensions\u003c\/em\u003e).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEliminates Ceiling Smudges: \u003c\/strong\u003eAn integrated weather-stripping seal prevents air leakage, protecting your ceiling from unsightly dust marks and ensuring all air is directed through the diffuser.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable, Commercial-Grade Construction: \u003c\/strong\u003eBuilt from heavy-duty \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/why-6063-t5-aluminum-is-great-for-linear-slot-diffuser-vent-covers\" title=\"Why 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003e6063-T5 architectural-grade aluminum\u003c\/a\u003e\u003c\/span\u003e with a tough powder coat finish and reinforced Tig welds to resist cracking, chipping, and bending for a lifetime of performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSleek, Flawless Finish:\u003c\/strong\u003e Finished in a sophisticated matte black powder coat, chosen for its superb durability and high resistance to corrosion and everyday wear.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClean, Minimalist Installation:\u003c\/strong\u003e Designed for a flawless look with no visible screw holes. Fastening points are discreetly located on the inner border sides. (Note: Fasteners are not included).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMatching Plenum:\u003c\/strong\u003e \u003cspan style=\"color: rgb(31, 33, 36);\"\u003ePair this linear slot diffuser with our \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Matching Custom Linear Slot Diffuser Plenum (22x2)\" href=\"https:\/\/www.linearairdiffusers.com\/products\/22x2-plenums-fxp\" target=\"_blank\"\u003ecustomizable 22x2 Plenums FXP Series\u003c\/a\u003e\u003c\/span\u003e (sold separately) to perfectly match your HVAC system's requirements. \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener noreferrer\" title=\"Video of our plenums for linear slot diffusers air vent covers.\" href=\"https:\/\/youtu.be\/gqC7IVD_kbY?si=1LF7UVkcdi3Q07_p\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eWatch our plenums intro video\u003c\/a\u003e\u003c\/span\u003e or click \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/pages\/custom-hvac-plenums\" title=\"Custom Plenum Box - Built to your specifications by Flo-Matrix HVAC\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003ehere to learn more about our custom plenums\u003c\/a\u003e\u003c\/span\u003e.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShips worldwide from our Vancouver, Canada facility. Local pickup is also available at our showroom.\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg style=\"float: none;\" alt=\"Full dimensions of a black 22-inch 1-slot linear diffuser with 19mm openings for precision airflow in commercial HVAC systems\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-22-inch-1-slot-black-fulldimensions-flomatrix-hvac.jpg?v=1744840536\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003eNeed custom sizes?\u003cstrong\u003e \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Request a Quote for Linear Slot Diffusers\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/linear-slot-diffuser-quote-request\" target=\"_blank\"\u003eRequest a quote for custom linear slot diffusers and plenums\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e to get pricing, lead times, and support for your project.\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Linear_Slot_Diffuser_black_installed_photo.jpg?v=1780354693\" alt=\"Black linear slot diffuser installed above a modern fireplace in a contemporary living room\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003ch5\u003e\u003cbr\u003e\u003c\/h5\u003e\n\u003ch5\u003ePerformance\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ctable style=\"width: 500px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003ctd style=\"width: 204.035px; height: 19px;\"\u003e\u003cb\u003e\u003cspan\u003ePerformance Data\u003c\/span\u003e\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; height: 19px;\"\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 157px; height: 19px;\"\u003e\u003cb\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/b\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 40px;\"\u003e\n\u003ctd style=\"width: 204.035px; text-align: center; height: 40px;\"\u003e\n\u003cp\u003e\u003cem\u003eFlow Rate\u003c\/em\u003e\u003cem\u003e\u003cspan\u003e \u003c\/span\u003e(CFM)\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; text-align: center; height: 40px;\"\u003e\u003cem\u003e Static Pressure (in.wg)\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 157px; text-align: center; height: 40px;\"\u003e\u003cem\u003eNoise Level (NC)\u003c\/em\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 59.3578px;\"\u003e\n\u003ctd style=\"width: 204.035px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e80\u003cbr\u003e110\u003cbr\u003e160\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e0.11\u003cbr\u003e0.20\u003cbr\u003e0.41\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 157px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e20\u003cbr\u003e30\u003cbr\u003e40\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e  * Flow rate (CFM) and static pressure (in.wg) are interrelated. It is crucial to know your HVAC system total or static pressure when choosing the proper GRD for optimal performance.\u003c\/p\u003e\n\u003cp\u003e* Performance data independently verified by a globally recognized third-party testing facility. Tested to ADC1062:GRD-84 and ASHRAE 70-2006 standards. CFD and modern testing ensure optimal performance and energy efficiency. For complete performance data, please \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Contact Flo-Matrix HVAC\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" target=\"_blank\"\u003econtact us\u003c\/a\u003e\u003c\/span\u003e.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003ca style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" title=\"Linear Slot Diffuser - 25mm wide opening - 1 Slot Vent Covers\" href=\"https:\/\/www.linearairdiffusers.com\/collections\/linear-slot-diffuser-1-slot-with-25mm-slot-opening\" target=\"_blank\"\u003eNeed more airflow? See the enhanced airflow 1-slot diffuser\u003c\/a\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/fwasd19-1-vs-fwasd25-1-linear-slot-diffuser-comparison-commercial-hvac.jpg?v=1780706496\" title=\"High Resolution of Comparison Table (FWASD19-1 VS. FWASD25-1)\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/fwasd19-1-vs-fwasd25-1-linear-slot-diffuser-comparison-commercial-hvac.jpg?v=1780706496\" alt=\"Commercial HVAC linear slot diffuser comparison between FWASD19-1 and FWASD25-1 featuring 3\/4 inch and 1 inch slot widths, airflow efficiency improvements, reduced pressure loss, quieter operation, showroom demonstration availability, and applications for commercial buildings and custom residential homes.\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" alt=\"Flo-Matrix HVAC vent cover with built-in weather foam strip compared to standard vent covers without foam gasket, showing improved air seal, reduced dust streaks, cleaner ceilings, better airflow efficiency, and lower maintenance requirements for residential and commercial HVAC applications.\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781729213\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003ca rel=\"noopener\" title=\"High Resolution of Professional HVAC Diffusers vs Mass Produced Diffusers | Quality Comparison Guide\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\" alt=\"Flo-Matrix HVAC professional-grade linear slot diffusers and air grilles compared to mass-produced generic store diffusers, highlighting T5 aluminum construction, superior airflow performance, expert technical support, custom manufacturing options, commercial project experience, showroom availability, and long-term HVAC performance benefits.\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5 style=\"text-align: left;\"\u003eSubmittal\u003c\/h5\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Linear Slot Diffuser (one slot) Submittal Sheet High Resolution PDF Download\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Linear_Slot_Diffuser_1-slot_submittal_high_resolution_download.pdf?v=1750363158\" target=\"_blank\"\u003eClick here to download a high resolution of this submittal sheet\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\n\u003cspan style=\"color: #2b00ff;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-1-slot-submittal-flomatrix-hvac_c1126db3-e0c7-42f5-91d0-8835b386d548.jpg?v=1744843355\" alt=\"Linear Slot Diffuser -1-slot submittal\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eResources\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Linear_Slot_Diffuser_Installation_Instructions_High_Resolution.pdf?v=1759781403\" title=\"Linear Slot Diffuser Installation Guide High Resolution Download\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eLinear Slot Diffuser Installation Guide Download\u003c\/a\u003e\u003ca rel=\"noopener noreferrer\" title=\"19mm vs. 25mm Linear Slot Diffusers: A Quick Guide for HVAC Pros \u0026amp; Homeowners\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/19mm-vs-25mm-linear-slot-diffusers-a-quick-guide-for-hvac-pros-homeowners\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca rel=\"noopener noreferrer\" title=\"19mm vs. 25mm Linear Slot Diffusers: A Quick Guide for HVAC Pros \u0026amp; Homeowners\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/19mm-vs-25mm-linear-slot-diffusers-a-quick-guide-for-hvac-pros-homeowners\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eOur Guide to 19mm VS. 25mm Slot Width Differences\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" title=\"Linear Slot Diffusers: The Smart Choice for Modern HVAC Systems\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/linear-slot-diffusers-smart-choice-for-modern-hvac-systems\" target=\"_blank\"\u003eLinear Slot Diffusers: The Smart Choice for Modern HVAC Systems\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" title=\"Why 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/why-6063-t5-aluminum-is-great-for-linear-slot-diffuser-vent-covers\" target=\"_blank\"\u003eWhy 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/linear-slot-diffuser-upgrade-retrofit-vs-new-construction\" title=\"Linear Slot Diffuser Upgrade: A Guide for Retrofit vs. New Construction\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eLinear Slot Diffuser: A Guide for Retrofit vs. New Construction\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca rel=\"noopener noreferrer\" title=\"CFD Airflow Analysis Services for Smarter HVAC Design\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/cfd-airflow-analysis-hvac-design\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eCFD Airflow Analysis Services for Smarter HVAC Design\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eWhat Makes a Grille, Register, or Diffuser \"Commercial Grade\"?\u003c\/h4\u003e\n\u003cp\u003eTrue commercial-grade GRD products provide architects, engineers, and HVAC professionals with the complete technical data needed for precise project specification. This includes detailed information on material composition and comprehensive performance metrics like flow rates, pressure drop, and noise criteria (NC).\u003c\/p\u003e\n\u003cp\u003eAll our products are rigorously tested in accordance with ADC1062:GRD-84 and the ASHRAE 70-2006 standards. We leverage computational fluid dynamics (CFD) and modern testing to continuously refine our designs for optimal performance and energy efficiency.\u003c\/p\u003e\n\u003cp\u003eSince 1997, we have been a trusted manufacturer of high-quality linear slot diffusers (from 1 to 12 slots) for the commercial HVAC industry. For project-specific questions and expert guidance, please \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca style=\"color: rgb(37, 150, 190);\" rel=\"noopener noreferrer\" title=\"Contact Us Form\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" target=\"_blank\"\u003econtact our product specialists\u003c\/a\u003e\u003c\/span\u003e at +1-604-437-1527.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eVideos\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eShowcase Video of Product - 1 Slot Linear Diffuser\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/7_HLSGJ1dE4?si=EY4zvH8u9dC4YY6Y\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eDemonstration of airflow direction adjustment - 1 Slot Linear Diffuser\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/1Ugg_bT9wDY?si=EHqofWnvuq2Knfv8\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eHow to insert a linear slot diffuser into a plenum\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/HFvCaQcs1rE?si=nYvC4-UoWcE1fsiu\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eLinear Slot Diffuser Smoke Test (Vertical Throw) Video - 1 Slot\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/wzy7QBMM3n0\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eLinear Slot Diffuser Smoke Test (Horizontal Throw) Video - 1 Slot\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/nMeJOL_9g-M\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eVideos of previous custom plenums\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/5kEmsTcA2uE?si=SBMMXiQkfyDlC7Ob\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/gqC7IVD_kbY?si=araziY9knWlseHoy\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eOur retail store showroom - Greater Vancouver, Canada\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/YeWxWnvc0pw?si=qV2UAJzkCEX6TARr\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"Linear Air Diffusers","offers":[{"title":"Default Title","offer_id":41733401739427,"sku":"FWASD19-1\/76W\/588L\/005","price":40.77,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-22-inch-1-slot-black-frontview-flomatrix-hvac.jpg?v=1744840536"},{"product_id":"12-linear-slot-diffuser-1-slot-with-19mm-slot-opening-hvac-vent-cover-anodized-satin-silver","title":"12\" Linear Slot Diffuser Vent Cover (1 Slot with 19mm Opening) - Anodized Satin Silver - FLO-MATRIX HVAC","description":"\u003ch5\u003e\u003cspan\u003eDetails\u003c\/span\u003e\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003eThis 12-inch linear slot diffuser combines refined aesthetics with engineered performance through its durable anodized silver finish. Unlike bargain alternatives, it's manufactured from commercial-grade extruded aluminum - matching the exact material quality demanded in premium architectural projects. The unit provides exceptional airflow consistency for your spaces while delivering precise VAV system control via its 19mm slot design and 180-degree adjustable blades. (View our airflow demonstration to observe the diffuser's performance characteristics in the videos section.) \u003cstrong\u003eTo ensure proper operation and longevity, installation should be performed by certified HVAC professionals.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cbr\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Size \u0026amp; Design:\u003c\/strong\u003e Features a clean 12\" x 1.5\" nominal size with a sharp ¾\" (19mm) slot opening for a sleek, modern aesthetic. (\u003cem\u003ePlease refer to the size diagram for detailed dimensions\u003c\/em\u003e).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEliminates Ceiling Smudges: \u003c\/strong\u003eAn integrated weather-stripping seal prevents air leakage, protecting your ceiling from unsightly dust marks and ensuring all air is directed through the diffuser.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable, Commercial-Grade Construction: \u003c\/strong\u003eBuilt from heavy-duty \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/why-6063-t5-aluminum-is-great-for-linear-slot-diffuser-vent-covers\" title=\"Why 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003e6063-T5 architectural-grade aluminum\u003c\/a\u003e\u003c\/span\u003e\u003cspan style=\"color: rgb(31, 33, 36);\"\u003e with reinforced Tig welds to resist cracking, chipping, and bending for a lifetime of performance.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli style=\"color: rgb(31, 33, 36);\"\u003e\u003cspan style=\"color: rgb(31, 33, 36);\"\u003e\u003cstrong\u003eFinish:\u003c\/strong\u003e Clear Satin Anodized (a perfect canvas for a DIY spray paint job or installed as is)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(31, 33, 36);\"\u003e\u003cspan style=\"color: rgb(31, 33, 36);\"\u003e\u003cstrong\u003eClean, Minimalist Installation:\u003c\/strong\u003e Designed for a flawless look with no visible screw holes. Fastening points are discreetly located on the inner border sides. (Note: Fasteners are not included).\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(31, 33, 36);\"\u003e\u003cspan style=\"color: rgb(31, 33, 36);\"\u003e\u003cstrong\u003eCustom Airflow Solutions:\u003c\/strong\u003e Pair this diffuser with a \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener noreferrer\" title=\"Custom Plenum Box - Built to your specifications by Flo-Matrix HVAC\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/custom-hvac-plenums\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003ecustomizable plenum box\u003c\/a\u003e\u003c\/span\u003e (sold separately) to perfectly match your HVAC system's requirements. \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener noreferrer\" title=\"Video of our plenums for linear slot diffusers air vent covers.\" href=\"https:\/\/youtu.be\/gqC7IVD_kbY?si=1LF7UVkcdi3Q07_p\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eWatch our plenums intro video\u003c\/a\u003e\u003c\/span\u003e to learn more.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eShips worldwide from our Vancouver, Canada facility. Local pickup is also available at our showroom.\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eNeed custom sizes?\u003cstrong\u003e \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/pages\/linear-slot-diffuser-quote-request\" title=\"Request a Quote for Linear Slot Diffusers\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eRequest a quote for custom linear slot diffusers and plenums\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e to get pricing, lead times, and support for your project.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg style=\"float: none;\" alt=\"Modern anodized aluminum linear slot diffuser ceiling installation, sleek HVAC air distribution vent with corrosion-resistant finish and minimalist design.\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Linear_Slot_Diffuser_anodized_finish_installed_photo.jpg?v=1780427468\"\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003ePerformance\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ctable style=\"width: 500px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003ctd style=\"width: 204.035px; height: 19px;\"\u003e\u003cb\u003e\u003cspan\u003ePerformance Data\u003c\/span\u003e\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; height: 19px;\"\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 157px; height: 19px;\"\u003e\u003cb\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/b\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 40px;\"\u003e\n\u003ctd style=\"width: 204.035px; text-align: center; height: 40px;\"\u003e\n\u003cp\u003e\u003cem\u003eFlow Rate\u003c\/em\u003e\u003cem\u003e\u003cspan\u003e \u003c\/span\u003e(CFM)\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; text-align: center; height: 40px;\"\u003e\u003cem\u003e Static Pressure (in.wg)\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 157px; text-align: center; height: 40px;\"\u003e\u003cem\u003eNoise Level (NC)\u003c\/em\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 59.3578px;\"\u003e\n\u003ctd style=\"width: 204.035px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e43\u003cbr\u003e60\u003cbr\u003e87\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e0.11\u003cbr\u003e0.20\u003cbr\u003e0.41\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 157px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e20\u003cbr\u003e30\u003cbr\u003e40\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ctable width=\"100%\" style=\"width: 100%;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 100%;\"\u003e\n\u003cp\u003e  * Flow rate (CFM) and static pressure (in.wg) are interrelated. It is crucial to know your HVAC system total or static pressure when choosing the proper GRD for optimal performance.\u003c\/p\u003e\n\u003cp\u003e  * Performance data independently verified by a globally recognized third-party testing facility. Tested to ADC1062:GRD-84 and ASHRAE 70-2006 standards. CFD and modern testing ensure optimal performance and energy efficiency. For complete performance data, please \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Contact Flo-Matrix HVAC\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" target=\"_blank\"\u003econtact us\u003c\/a\u003e\u003c\/span\u003e.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003ca style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" title=\"Linear Slot Diffuser - 25mm wide opening - 1 Slot Vent Covers\" href=\"https:\/\/www.linearairdiffusers.com\/collections\/linear-slot-diffuser-1-slot-with-25mm-slot-opening\" target=\"_blank\"\u003eNeed more airflow? See the enhanced airflow 1-slot diffuser\u003c\/a\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003ca rel=\"noopener\" title=\"High Resolution of Comparison Table (FWASD19-1 VS. FWASD25-1)\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/fwasd19-1-vs-fwasd25-1-linear-slot-diffuser-comparison-commercial-hvac.jpg?v=1780706496\" target=\"_blank\"\u003e\u003cimg style=\"margin-bottom: 16px; float: none;\" alt=\"Commercial HVAC linear slot diffuser comparison between FWASD19-1 and FWASD25-1 featuring 3\/4 inch and 1 inch slot widths, airflow efficiency improvements, reduced pressure loss, quieter operation, showroom demonstration availability, and applications for commercial buildings and custom residential homes.\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/fwasd19-1-vs-fwasd25-1-linear-slot-diffuser-comparison-commercial-hvac.jpg?v=1780706496\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" alt=\"Flo-Matrix HVAC vent cover with built-in weather foam strip compared to standard vent covers without foam gasket, showing improved air seal, reduced dust streaks, cleaner ceilings, better airflow efficiency, and lower maintenance requirements for residential and commercial HVAC applications.\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781729213\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\" title=\"High Resolution of Professional HVAC Diffusers vs Mass Produced Diffusers | Quality Comparison Guide\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg style=\"margin-bottom: 16px; float: none;\" alt=\"Flo-Matrix HVAC professional-grade linear slot diffusers and air grilles compared to mass-produced generic store diffusers, highlighting T5 aluminum construction, superior airflow performance, expert technical support, custom manufacturing options, commercial project experience, showroom availability, and long-term HVAC performance benefits.\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003ch5\u003e\u003cbr\u003e\u003c\/h5\u003e\n\u003ch5\u003eSubmittal\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Linear Slot Diffuser (one slot) Submittal Sheet High Resolution PDF Download\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Linear_Slot_Diffuser_1-slot_submittal_high_resolution_download.pdf?v=1750363158\" target=\"_blank\"\u003eClick here to download a high resolution of this submittal sheet\u003c\/a\u003e\u003ca rel=\"noopener\" title=\"Linear Slot Diffuser (one slot) Submittal Sheet High Resolution PDF Download\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Linear_Slot_Diffuser_1-slot_submittal_high_resolution_download.pdf?v=1750363158\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"Linear Slot Diffuser -1-slot submittal\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-1-slot-submittal-flomatrix-hvac.jpg?v=1745614040\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eResources\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Linear Slot Diffuser Installation Guide High Resolution Download\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Linear_Slot_Diffuser_Installation_Instructions_High_Resolution.pdf?v=1759781403\" target=\"_blank\"\u003eLinear Slot Diffuser Installation Guide Download\u003c\/a\u003e\u003c\/span\u003e\u003ca style=\"color: rgb(37, 150, 190);\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/19mm-vs-25mm-linear-slot-diffusers-a-quick-guide-for-hvac-pros-homeowners\" title=\"19mm vs. 25mm Linear Slot Diffusers: A Quick Guide for HVAC Pros \u0026amp; Homeowners\" rel=\"noopener noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca style=\"color: rgb(37, 150, 190);\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/19mm-vs-25mm-linear-slot-diffusers-a-quick-guide-for-hvac-pros-homeowners\" title=\"19mm vs. 25mm Linear Slot Diffusers: A Quick Guide for HVAC Pros \u0026amp; Homeowners\" rel=\"noopener noreferrer\" target=\"_blank\"\u003eOur Guide to 19mm VS. 25mm Slot Width Differences\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/linear-slot-diffusers-smart-choice-for-modern-hvac-systems\" title=\"Linear Slot Diffusers: The Smart Choice for Modern HVAC Systems\" rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eLinear Slot Diffusers: The Smart Choice for Modern HVAC Systems\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/why-6063-t5-aluminum-is-great-for-linear-slot-diffuser-vent-covers\" title=\"Why 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\" rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eWhy 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Linear Slot Diffuser Upgrade: A Guide for Retrofit vs. New Construction\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/linear-slot-diffuser-upgrade-retrofit-vs-new-construction\" target=\"_blank\"\u003eLinear Slot Diffuser: A Guide for Retrofit vs. New Construction\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca style=\"color: rgb(37, 150, 190);\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/cfd-airflow-analysis-hvac-design\" title=\"CFD Airflow Analysis Services for Smarter HVAC Design\" rel=\"noopener noreferrer\" target=\"_blank\"\u003eCFD Airflow Analysis Services for Smarter HVAC Design\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eWhat Makes a Grille, Register, or Diffuser \"Commercial Grade\"?\u003c\/h4\u003e\n\u003cp\u003eTrue commercial-grade GRD products provide architects, engineers, and HVAC professionals with the complete technical data needed for precise project specification. This includes detailed information on material composition and comprehensive performance metrics like flow rates, pressure drop, and noise criteria (NC).\u003c\/p\u003e\n\u003cp\u003eAll our products are rigorously tested in accordance with ADC1062:GRD-84 and the ASHRAE 70-2006 standards. We leverage computational fluid dynamics (CFD) and modern testing to continuously refine our designs for optimal performance and energy efficiency.\u003c\/p\u003e\n\u003cp\u003eSince 1997, we have been a trusted manufacturer of high-quality linear slot diffusers (from 1 to 12 slots) for the commercial HVAC industry. For project-specific questions and expert guidance, please \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca style=\"color: rgb(37, 150, 190);\" rel=\"noopener noreferrer\" title=\"Contact Us Form\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" target=\"_blank\"\u003econtact our product specialists\u003c\/a\u003e\u003c\/span\u003e at +1-604-437-1527.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eVideos\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eShowcase Video of Product - 1 Slot Linear Diffuser\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/7_HLSGJ1dE4?si=EY4zvH8u9dC4YY6Y\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eDemonstration of airflow direction adjustment - 1 Slot Linear Diffuser\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/1Ugg_bT9wDY?si=EHqofWnvuq2Knfv8\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eHow to insert a linear slot diffuser into a plenum\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/HFvCaQcs1rE?si=nYvC4-UoWcE1fsiu\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eLinear Slot Diffuser Smoke Test (Vertical Throw) Video - 1 Slot\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/wzy7QBMM3n0\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eLinear Slot Diffuser Smoke Test (Horizontal Throw) Video - 1 Slot\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/nMeJOL_9g-M\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eVideos of previous custom plenums\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/5kEmsTcA2uE?si=SBMMXiQkfyDlC7Ob\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/gqC7IVD_kbY?si=araziY9knWlseHoy\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eOur retail store showroom - Greater Vancouver, Canada\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/YeWxWnvc0pw?si=qV2UAJzkCEX6TARr\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"Linear Air Diffusers","offers":[{"title":"Default Title","offer_id":41733422022819,"sku":"FWASD19-1\/76W\/337L\/007","price":30.66,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-12-inch-1-slot-anodized-silver-frontview-flomatrix-hvac.png?v=1745614040"},{"product_id":"24-linear-slot-diffuser-1-slot-with-19mm-slot-opening-hvac-vent-cover-anodized-satin-silver","title":"24\" Linear Slot Diffuser Vent Cover (1 Slot with 19mm Opening) - Anodized Satin Silver - FLO-MATRIX HVAC","description":"\u003ch5\u003e\u003cspan\u003eDetails\u003c\/span\u003e\u003c\/h5\u003e\n\u003cdiv\u003e\n\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003eThis 24-inch linear slot diffuser combines refined aesthetics with engineered performance through its durable anodized silver finish. Unlike bargain alternatives, it's manufactured from commercial-grade extruded aluminum - matching the exact material quality demanded in premium architectural projects. The unit provides exceptional airflow consistency for your spaces while delivering precise VAV system control via its 19mm slot design and 180-degree adjustable blades. (View our airflow demonstration to observe the diffuser's performance characteristics in the videos section.) \u003cstrong\u003eTo ensure proper operation and longevity, installation should be performed by certified HVAC professionals.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Size \u0026amp; Design:\u003c\/strong\u003e Features a clean 24\" x 1.5\" nominal size with a sharp ¾\" (19mm) slot opening for a sleek, modern aesthetic. (\u003cem\u003ePlease refer to the size diagram for detailed dimensions\u003c\/em\u003e).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEliminates Ceiling Smudges: \u003c\/strong\u003eAn integrated weather-stripping seal prevents air leakage, protecting your ceiling from unsightly dust marks and ensuring all air is directed through the diffuser.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable, Commercial-Grade Construction: \u003c\/strong\u003eBuilt from heavy-duty \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/why-6063-t5-aluminum-is-great-for-linear-slot-diffuser-vent-covers\" title=\"Why 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003e6063-T5 architectural-grade aluminum\u003c\/a\u003e\u003c\/span\u003e with reinforced Tig welds to resist cracking, chipping, and bending for a lifetime of performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Clear Satin Anodized (a perfect canvas for a DIY spray paint job or installed as is)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClean, Minimalist Installation:\u003c\/strong\u003e Designed for a flawless look with no visible screw holes. Fastening points are discreetly located on the inner border sides. (Note: Fasteners are not included).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustom Airflow Solutions:\u003c\/strong\u003e \u003cspan style=\"color: rgb(31, 33, 36);\"\u003ePair this diffuser with a \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener noreferrer\" title=\"Custom Plenum Box - Built to your specifications by Flo-Matrix HVAC\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/custom-hvac-plenums\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003ecustomizable plenum box\u003c\/a\u003e\u003c\/span\u003e (sold separately) to perfectly match your HVAC system's requirements. \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener noreferrer\" title=\"Video of our plenums for linear slot diffusers air vent covers.\" href=\"https:\/\/youtu.be\/gqC7IVD_kbY?si=1LF7UVkcdi3Q07_p\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eWatch our plenums intro video\u003c\/a\u003e\u003c\/span\u003e to learn more.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShips worldwide from our Vancouver, Canada facility. Local pickup is also available at our showroom.\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eNeed custom sizes?\u003cstrong\u003e \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/pages\/linear-slot-diffuser-quote-request\" title=\"Request a Quote for Linear Slot Diffusers\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eRequest a quote for custom linear slot diffusers and plenums\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e to get pricing, lead times, and support for your project.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Linear_Slot_Diffuser_anodized_finish_installed_photo.jpg?v=1780427468\" alt=\"Modern anodized aluminum linear slot diffuser ceiling installation, sleek HVAC air distribution vent with corrosion-resistant finish and minimalist design.\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003ePerformance\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ctable style=\"width: 500px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003ctd style=\"width: 204.035px; height: 19px;\"\u003e\u003cb\u003e\u003cspan\u003ePerformance Data\u003c\/span\u003e\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; height: 19px;\"\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 157px; height: 19px;\"\u003e\u003cb\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/b\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 40px;\"\u003e\n\u003ctd style=\"width: 204.035px; text-align: center; height: 40px;\"\u003e\n\u003cp\u003e\u003cem\u003eFlow Rate\u003c\/em\u003e\u003cem\u003e\u003cspan\u003e \u003c\/span\u003e(CFM)\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; text-align: center; height: 40px;\"\u003e\u003cem\u003e Static Pressure (in.wg)\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 157px; text-align: center; height: 40px;\"\u003e\u003cem\u003eNoise Level (NC)\u003c\/em\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 59.3578px;\"\u003e\n\u003ctd style=\"width: 204.035px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e87\u003cbr\u003e120\u003cbr\u003e175\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e0.11\u003cbr\u003e0.20\u003cbr\u003e0.41\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 157px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e20\u003cbr\u003e30\u003cbr\u003e40\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e  * Flow rate (CFM) and static pressure (in.wg) are interrelated. It is crucial to know your HVAC system total or static pressure when choosing the proper GRD for optimal performance.\u003c\/p\u003e\n\u003cp\u003e* Performance data independently verified by a globally recognized third-party testing facility. Tested to ADC1062:GRD-84 and ASHRAE 70-2006 standards. CFD and modern testing ensure optimal performance and energy efficiency. For complete performance data, please \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Contact Flo-Matrix HVAC\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" target=\"_blank\"\u003econtact us\u003c\/a\u003e\u003c\/span\u003e.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003ca style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" title=\"Linear Slot Diffuser - 25mm wide opening - 1 Slot Vent Covers\" href=\"https:\/\/www.linearairdiffusers.com\/collections\/linear-slot-diffuser-1-slot-with-25mm-slot-opening\" target=\"_blank\"\u003eNeed more airflow? See the enhanced airflow 1-slot diffuser\u003c\/a\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/fwasd19-1-vs-fwasd25-1-linear-slot-diffuser-comparison-commercial-hvac.jpg?v=1780706496\" title=\"High Resolution of Comparison Table (FWASD19-1 VS. FWASD25-1)\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/fwasd19-1-vs-fwasd25-1-linear-slot-diffuser-comparison-commercial-hvac.jpg?v=1780706496\" alt=\"Commercial HVAC linear slot diffuser comparison between FWASD19-1 and FWASD25-1 featuring 3\/4 inch and 1 inch slot widths, airflow efficiency improvements, reduced pressure loss, quieter operation, showroom demonstration availability, and applications for commercial buildings and custom residential homes.\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" alt=\"Flo-Matrix HVAC vent cover with built-in weather foam strip compared to standard vent covers without foam gasket, showing improved air seal, reduced dust streaks, cleaner ceilings, better airflow efficiency, and lower maintenance requirements for residential and commercial HVAC applications.\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781729213\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003ca rel=\"noopener\" title=\"High Resolution of Professional HVAC Diffusers vs Mass Produced Diffusers | Quality Comparison Guide\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\" alt=\"Flo-Matrix HVAC professional-grade linear slot diffusers and air grilles compared to mass-produced generic store diffusers, highlighting T5 aluminum construction, superior airflow performance, expert technical support, custom manufacturing options, commercial project experience, showroom availability, and long-term HVAC performance benefits.\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eSubmittal\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Linear Slot Diffuser (one slot) Submittal Sheet High Resolution PDF Download\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Linear_Slot_Diffuser_1-slot_submittal_high_resolution_download.pdf?v=1750363158\" target=\"_blank\"\u003eClick here to download a high resolution of this submittal sheet\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"Linear Slot Diffuser -1-slot submittal\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-1-slot-submittal-flomatrix-hvac.jpg?v=1745614793\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eResources\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Linear Slot Diffuser Installation Guide High Resolution Download\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Linear_Slot_Diffuser_Installation_Instructions_High_Resolution.pdf?v=1759781403\" target=\"_blank\"\u003eLinear Slot Diffuser Installation Guide Download\u003c\/a\u003e\u003ca style=\"color: rgb(37, 150, 190);\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/19mm-vs-25mm-linear-slot-diffusers-a-quick-guide-for-hvac-pros-homeowners\" title=\"19mm vs. 25mm Linear Slot Diffusers: A Quick Guide for HVAC Pros \u0026amp; Homeowners\" rel=\"noopener noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca style=\"color: rgb(37, 150, 190);\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/19mm-vs-25mm-linear-slot-diffusers-a-quick-guide-for-hvac-pros-homeowners\" title=\"19mm vs. 25mm Linear Slot Diffusers: A Quick Guide for HVAC Pros \u0026amp; Homeowners\" rel=\"noopener noreferrer\" target=\"_blank\"\u003eOur Guide to 19mm VS. 25mm Slot Width Differences\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/linear-slot-diffusers-smart-choice-for-modern-hvac-systems\" title=\"Linear Slot Diffusers: The Smart Choice for Modern HVAC Systems\" rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eLinear Slot Diffusers: The Smart Choice for Modern HVAC Systems\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/why-6063-t5-aluminum-is-great-for-linear-slot-diffuser-vent-covers\" title=\"Why 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\" rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eWhy 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Linear Slot Diffuser Upgrade: A Guide for Retrofit vs. New Construction\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/linear-slot-diffuser-upgrade-retrofit-vs-new-construction\" target=\"_blank\"\u003eLinear Slot Diffuser: A Guide for Retrofit vs. New Construction\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca style=\"color: rgb(37, 150, 190);\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/cfd-airflow-analysis-hvac-design\" title=\"CFD Airflow Analysis Services for Smarter HVAC Design\" rel=\"noopener noreferrer\" target=\"_blank\"\u003eCFD Airflow Analysis Services for Smarter HVAC Design\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eWhat Makes a Grille, Register, or Diffuser \"Commercial Grade\"?\u003c\/h4\u003e\n\u003cp\u003eTrue commercial-grade GRD products provide architects, engineers, and HVAC professionals with the complete technical data needed for precise project specification. This includes detailed information on material composition and comprehensive performance metrics like flow rates, pressure drop, and noise criteria (NC).\u003c\/p\u003e\n\u003cp\u003eAll our products are rigorously tested in accordance with ADC1062:GRD-84 and the ASHRAE 70-2006 standards. We leverage computational fluid dynamics (CFD) and modern testing to continuously refine our designs for optimal performance and energy efficiency.\u003c\/p\u003e\n\u003cp\u003eSince 1997, we have been a trusted manufacturer of high-quality linear slot diffusers (from 1 to 12 slots) for the commercial HVAC industry. For project-specific questions and expert guidance, please \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca style=\"color: rgb(37, 150, 190);\" rel=\"noopener noreferrer\" title=\"Contact Us Form\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" target=\"_blank\"\u003econtact our product specialists\u003c\/a\u003e\u003c\/span\u003e at +1-604-437-1527.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eVideos\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eShowcase Video of Product - 1 Slot Linear Diffuser\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/7_HLSGJ1dE4?si=EY4zvH8u9dC4YY6Y\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eDemonstration of airflow direction adjustment - 1 Slot Linear Diffuser\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/1Ugg_bT9wDY?si=EHqofWnvuq2Knfv8\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eHow to insert a linear slot diffuser into a plenum\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/HFvCaQcs1rE?si=nYvC4-UoWcE1fsiu\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eLinear Slot Diffuser Smoke Test (Vertical Throw) Video - 1 Slot\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/wzy7QBMM3n0\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eLinear Slot Diffuser Smoke Test (Horizontal Throw) Video - 1 Slot\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/nMeJOL_9g-M\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eVideos of previous custom plenums\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/5kEmsTcA2uE?si=SBMMXiQkfyDlC7Ob\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/gqC7IVD_kbY?si=araziY9knWlseHoy\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eOur retail store showroom - Greater Vancouver, Canada\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/YeWxWnvc0pw?si=qV2UAJzkCEX6TARr\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"Linear Air Diffusers","offers":[{"title":"Default Title","offer_id":41733446303907,"sku":"FWASD19-1\/76W\/642L\/007","price":43.27,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-24-inch-1-slot-anodized-silver-frontview-flomatrix-hvac.png?v=1745614793"},{"product_id":"36-linear-slot-diffuser-1-slot-with-19mm-slot-opening-hvac-vent-cover-anodized-satin-silver","title":"36\" Linear Slot Diffuser Vent Cover (1 Slot with 19mm Opening) - Anodized Satin Silver - FLO-MATRIX HVAC","description":"\u003ch5\u003e\u003cspan\u003eDetails\u003c\/span\u003e\u003c\/h5\u003e\n\u003cdiv\u003e\n\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003eThis 36-inch linear slot diffuser combines refined aesthetics with engineered performance through its durable anodized silver finish. Unlike bargain alternatives, it's manufactured from commercial-grade extruded aluminum - matching the exact material quality demanded in premium architectural projects. The unit provides exceptional airflow consistency for your spaces while delivering precise VAV system control via its 19mm slot design and 180-degree adjustable blades. (View our airflow demonstration to observe the diffuser's performance characteristics in the videos section.) \u003cstrong\u003eTo ensure proper operation and longevity, installation should be performed by certified HVAC professionals.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Size \u0026amp; Design:\u003c\/strong\u003e Features a clean 36\" x 1.5\" nominal size with a sharp ¾\" (19mm) slot opening for a sleek, modern aesthetic. (\u003cem\u003ePlease refer to the size diagram for detailed dimensions\u003c\/em\u003e).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEliminates Ceiling Smudges: \u003c\/strong\u003eAn integrated weather-stripping seal prevents air leakage, protecting your ceiling from unsightly dust marks and ensuring all air is directed through the diffuser.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable, Commercial-Grade Construction: \u003c\/strong\u003eBuilt from heavy-duty \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/why-6063-t5-aluminum-is-great-for-linear-slot-diffuser-vent-covers\" title=\"Why 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003e6063-T5 architectural-grade aluminum\u003c\/a\u003e\u003c\/span\u003e with reinforced Tig welds to resist cracking, chipping, and bending for a lifetime of performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Clear Satin Anodized (a perfect canvas for a DIY spray paint job or installed as is)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClean, Minimalist Installation:\u003c\/strong\u003e Designed for a flawless look with no visible screw holes. Fastening points are discreetly located on the inner border sides. (Note: Fasteners are not included).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustom Airflow Solutions:\u003c\/strong\u003e \u003cspan style=\"color: rgb(31, 33, 36);\"\u003ePair this diffuser with a \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener noreferrer\" title=\"Custom Plenum Box - Built to your specifications by Flo-Matrix HVAC\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/custom-hvac-plenums\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003ecustomizable plenum box\u003c\/a\u003e\u003c\/span\u003e (sold separately) to perfectly match your HVAC system's requirements. \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener noreferrer\" title=\"Video of our plenums for linear slot diffusers air vent covers.\" href=\"https:\/\/youtu.be\/gqC7IVD_kbY?si=1LF7UVkcdi3Q07_p\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eWatch our plenums intro video\u003c\/a\u003e\u003c\/span\u003e to learn more.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShips worldwide from our Vancouver, Canada facility. Local pickup is also available at our showroom.\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eNeed custom sizes?\u003cstrong\u003e \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/pages\/linear-slot-diffuser-quote-request\" title=\"Request a Quote for Linear Slot Diffusers\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eRequest a quote for custom linear slot diffusers and plenums\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e to get pricing, lead times, and support for your project.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Linear_Slot_Diffuser_anodized_finish_installed_photo.jpg?v=1780427468\" alt=\"Modern anodized aluminum linear slot diffuser ceiling installation, sleek HVAC air distribution vent with corrosion-resistant finish and minimalist design.\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003ePerformance\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ctable style=\"width: 500px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003ctd style=\"width: 204.035px; height: 19px;\"\u003e\u003cb\u003e\u003cspan\u003ePerformance Data\u003c\/span\u003e\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; height: 19px;\"\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 157px; height: 19px;\"\u003e\u003cb\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/b\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 40px;\"\u003e\n\u003ctd style=\"width: 204.035px; text-align: center; height: 40px;\"\u003e\n\u003cp\u003e\u003cem\u003eFlow Rate\u003c\/em\u003e\u003cem\u003e\u003cspan\u003e \u003c\/span\u003e(CFM)\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; text-align: center; height: 40px;\"\u003e\u003cem\u003e Static Pressure (in.wg)\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 157px; text-align: center; height: 40px;\"\u003e\u003cem\u003eNoise Level (NC)\u003c\/em\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 59.3578px;\"\u003e\n\u003ctd style=\"width: 204.035px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e131\u003cbr\u003e180\u003cbr\u003e262\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e0.11\u003cbr\u003e0.20\u003cbr\u003e0.41\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 157px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e20\u003cbr\u003e30\u003cbr\u003e40\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e  * Flow rate (CFM) and static pressure (in.wg) are interrelated. It is crucial to know your HVAC system total or static pressure when choosing the proper GRD for optimal performance.\u003c\/p\u003e\n\u003cp\u003e* Performance data independently verified by a globally recognized third-party testing facility. Tested to ADC1062:GRD-84 and ASHRAE 70-2006 standards. CFD and modern testing ensure optimal performance and energy efficiency. For complete performance data, please \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Contact Flo-Matrix HVAC\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" target=\"_blank\"\u003econtact us\u003c\/a\u003e\u003c\/span\u003e.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003ca style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" title=\"Linear Slot Diffuser - 25mm wide opening - 1 Slot Vent Covers\" href=\"https:\/\/www.linearairdiffusers.com\/collections\/linear-slot-diffuser-1-slot-with-25mm-slot-opening\" target=\"_blank\"\u003eNeed more airflow? See the enhanced airflow 1-slot diffuser\u003c\/a\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/fwasd19-1-vs-fwasd25-1-linear-slot-diffuser-comparison-commercial-hvac.jpg?v=1780706496\" title=\"High Resolution of Comparison Table (FWASD19-1 VS. FWASD25-1)\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/fwasd19-1-vs-fwasd25-1-linear-slot-diffuser-comparison-commercial-hvac.jpg?v=1780706496\" alt=\"Commercial HVAC linear slot diffuser comparison between FWASD19-1 and FWASD25-1 featuring 3\/4 inch and 1 inch slot widths, airflow efficiency improvements, reduced pressure loss, quieter operation, showroom demonstration availability, and applications for commercial buildings and custom residential homes.\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" alt=\"Flo-Matrix HVAC vent cover with built-in weather foam strip compared to standard vent covers without foam gasket, showing improved air seal, reduced dust streaks, cleaner ceilings, better airflow efficiency, and lower maintenance requirements for residential and commercial HVAC applications.\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781729213\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003ca rel=\"noopener\" title=\"High Resolution of Professional HVAC Diffusers vs Mass Produced Diffusers | Quality Comparison Guide\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\" alt=\"Flo-Matrix HVAC professional-grade linear slot diffusers and air grilles compared to mass-produced generic store diffusers, highlighting T5 aluminum construction, superior airflow performance, expert technical support, custom manufacturing options, commercial project experience, showroom availability, and long-term HVAC performance benefits.\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eSubmittal\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Linear Slot Diffuser (one slot) Submittal Sheet High Resolution PDF Download\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Linear_Slot_Diffuser_1-slot_submittal_high_resolution_download.pdf?v=1750363158\" target=\"_blank\"\u003eClick here to download a high resolution of this submittal sheet\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cimg alt=\"Linear Slot Diffuser -1-slot submittal\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-1-slot-submittal-flomatrix-hvac.jpg?v=1745614793\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eResources\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Linear_Slot_Diffuser_Installation_Instructions_High_Resolution.pdf?v=1759781403\" title=\"Linear Slot Diffuser Installation Guide High Resolution Download\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eLinear Slot Diffuser Installation Guide Download\u003c\/a\u003e\u003ca rel=\"noopener noreferrer\" title=\"19mm vs. 25mm Linear Slot Diffusers: A Quick Guide for HVAC Pros \u0026amp; Homeowners\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/19mm-vs-25mm-linear-slot-diffusers-a-quick-guide-for-hvac-pros-homeowners\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca rel=\"noopener noreferrer\" title=\"19mm vs. 25mm Linear Slot Diffusers: A Quick Guide for HVAC Pros \u0026amp; Homeowners\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/19mm-vs-25mm-linear-slot-diffusers-a-quick-guide-for-hvac-pros-homeowners\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eOur Guide to 19mm VS. 25mm Slot Width Differences\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" title=\"Linear Slot Diffusers: The Smart Choice for Modern HVAC Systems\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/linear-slot-diffusers-smart-choice-for-modern-hvac-systems\" target=\"_blank\"\u003eLinear Slot Diffusers: The Smart Choice for Modern HVAC Systems\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" title=\"Why 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/why-6063-t5-aluminum-is-great-for-linear-slot-diffuser-vent-covers\" target=\"_blank\"\u003eWhy 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/linear-slot-diffuser-upgrade-retrofit-vs-new-construction\" title=\"Linear Slot Diffuser Upgrade: A Guide for Retrofit vs. New Construction\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eLinear Slot Diffuser: A Guide for Retrofit vs. New Construction\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca rel=\"noopener noreferrer\" title=\"CFD Airflow Analysis Services for Smarter HVAC Design\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/cfd-airflow-analysis-hvac-design\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eCFD Airflow Analysis Services for Smarter HVAC Design\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eWhat Makes a Grille, Register, or Diffuser \"Commercial Grade\"?\u003c\/h4\u003e\n\u003cp\u003eTrue commercial-grade GRD products provide architects, engineers, and HVAC professionals with the complete technical data needed for precise project specification. This includes detailed information on material composition and comprehensive performance metrics like flow rates, pressure drop, and noise criteria (NC).\u003c\/p\u003e\n\u003cp\u003eAll our products are rigorously tested in accordance with ADC1062:GRD-84 and the ASHRAE 70-2006 standards. We leverage computational fluid dynamics (CFD) and modern testing to continuously refine our designs for optimal performance and energy efficiency.\u003c\/p\u003e\n\u003cp\u003eSince 1997, we have been a trusted manufacturer of high-quality linear slot diffusers (from 1 to 12 slots) for the commercial HVAC industry. For project-specific questions and expert guidance, please \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca style=\"color: rgb(37, 150, 190);\" rel=\"noopener noreferrer\" title=\"Contact Us Form\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" target=\"_blank\"\u003econtact our product specialists\u003c\/a\u003e\u003c\/span\u003e at +1-604-437-1527.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eVideos\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eShowcase Video of Product - 1 Slot Linear Diffuser\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/7_HLSGJ1dE4?si=EY4zvH8u9dC4YY6Y\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eDemonstration of airflow direction adjustment - 1 Slot Linear Diffuser\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/1Ugg_bT9wDY?si=EHqofWnvuq2Knfv8\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eHow to insert a linear slot diffuser into a plenum\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/HFvCaQcs1rE?si=nYvC4-UoWcE1fsiu\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eLinear Slot Diffuser Smoke Test (Vertical Throw) Video - 1 Slot\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/wzy7QBMM3n0\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eLinear Slot Diffuser Smoke Test (Horizontal Throw) Video - 1 Slot\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/nMeJOL_9g-M\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eVideos of previous custom plenums\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/5kEmsTcA2uE?si=SBMMXiQkfyDlC7Ob\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/gqC7IVD_kbY?si=araziY9knWlseHoy\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eOur retail store showroom - Greater Vancouver, Canada\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/YeWxWnvc0pw?si=qV2UAJzkCEX6TARr\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"Linear Air Diffusers","offers":[{"title":"Default Title","offer_id":41733458526371,"sku":"FWASD19-1\/76W\/946L\/007","price":63.78,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-36-inch-1-slot-anodized-silver-frontview-flomatrix-hvac.png?v=1745625164"},{"product_id":"48-linear-slot-diffuser-1-slot-with-19mm-slot-opening-hvac-vent-cover-anodized-satin-silver","title":"48\" Linear Slot Diffuser Vent Cover (1 Slot with 19mm Opening) - Anodized Satin Silver - FLO-MATRIX HVAC","description":"\u003ch5\u003e\u003cspan\u003eDetails\u003c\/span\u003e\u003c\/h5\u003e\n\u003cdiv\u003e\n\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003eThis 48-inch linear slot diffuser combines refined aesthetics with engineered performance through its durable anodized silver finish. Unlike bargain alternatives, it's manufactured from commercial-grade extruded aluminum - matching the exact material quality demanded in premium architectural projects. The unit provides exceptional airflow consistency for your spaces while delivering precise VAV system control via its 19mm slot design and 180-degree adjustable blades. (View our airflow demonstration to observe the diffuser's performance characteristics in the videos section.) \u003cstrong\u003eTo ensure proper operation and longevity, installation should be performed by certified HVAC professionals.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Size \u0026amp; Design:\u003c\/strong\u003e Features a clean 48\" x 1.5\" nominal size with a sharp ¾\" (19mm) slot opening for a sleek, modern aesthetic. (\u003cem\u003ePlease refer to the size diagram for detailed dimensions\u003c\/em\u003e).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEliminates Ceiling Smudges: \u003c\/strong\u003eAn integrated weather-stripping seal prevents air leakage, protecting your ceiling from unsightly dust marks and ensuring all air is directed through the diffuser.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable, Commercial-Grade Construction: \u003c\/strong\u003eBuilt from heavy-duty \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/why-6063-t5-aluminum-is-great-for-linear-slot-diffuser-vent-covers\" title=\"Why 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003e6063-T5 architectural-grade aluminum\u003c\/a\u003e\u003c\/span\u003e with reinforced Tig welds to resist cracking, chipping, and bending for a lifetime of performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Clear Satin Anodized (a perfect canvas for a DIY spray paint job or installed as is)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClean, Minimalist Installation:\u003c\/strong\u003e Designed for a flawless look with no visible screw holes. Fastening points are discreetly located on the inner border sides. (Note: Fasteners are not included).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustom Airflow Solutions:\u003c\/strong\u003e \u003cspan style=\"color: rgb(31, 33, 36);\"\u003ePair this diffuser with a \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener noreferrer\" title=\"Custom Plenum Box - Built to your specifications by Flo-Matrix HVAC\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/custom-hvac-plenums\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003ecustomizable plenum box\u003c\/a\u003e\u003c\/span\u003e (sold separately) to perfectly match your HVAC system's requirements. \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener noreferrer\" title=\"Video of our plenums for linear slot diffusers air vent covers.\" href=\"https:\/\/youtu.be\/gqC7IVD_kbY?si=1LF7UVkcdi3Q07_p\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eWatch our plenums intro video\u003c\/a\u003e\u003c\/span\u003e to learn more.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShips worldwide from our Vancouver, Canada facility. Local pickup is also available at our showroom.\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eNeed custom sizes?\u003cstrong\u003e \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/pages\/linear-slot-diffuser-quote-request\" title=\"Request a Quote for Linear Slot Diffusers\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eRequest a quote for custom linear slot diffusers and plenums\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e to get pricing, lead times, and support for your project.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Linear_Slot_Diffuser_anodized_finish_installed_photo.jpg?v=1780427468\" alt=\"Modern anodized aluminum linear slot diffuser ceiling installation, sleek HVAC air distribution vent with corrosion-resistant finish and minimalist design.\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003ePerformance\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ctable style=\"width: 500px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003ctd style=\"width: 204.035px; height: 19px;\"\u003e\u003cb\u003e\u003cspan\u003ePerformance Data\u003c\/span\u003e\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; height: 19px;\"\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 157px; height: 19px;\"\u003e\u003cb\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/b\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 40px;\"\u003e\n\u003ctd style=\"width: 204.035px; text-align: center; height: 40px;\"\u003e\n\u003cp\u003e\u003cem\u003eFlow Rate\u003c\/em\u003e\u003cem\u003e\u003cspan\u003e \u003c\/span\u003e(CFM)\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; text-align: center; height: 40px;\"\u003e\u003cem\u003e Static Pressure (in.wg)\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 157px; text-align: center; height: 40px;\"\u003e\u003cem\u003eNoise Level (NC)\u003c\/em\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 59.3578px;\"\u003e\n\u003ctd style=\"width: 204.035px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e175\u003cbr\u003e240\u003cbr\u003e350\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e0.11\u003cbr\u003e0.20\u003cbr\u003e0.41\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 157px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e20\u003cbr\u003e30\u003cbr\u003e40\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e  * Flow rate (CFM) and static pressure (in.wg) are interrelated. It is crucial to know your HVAC system total or static pressure when choosing the proper GRD for optimal performance.\u003c\/p\u003e\n\u003cp\u003e* Performance data independently verified by a globally recognized third-party testing facility. Tested to ADC1062:GRD-84 and ASHRAE 70-2006 standards. CFD and modern testing ensure optimal performance and energy efficiency. For complete performance data, please \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Contact Flo-Matrix HVAC\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" target=\"_blank\"\u003econtact us\u003c\/a\u003e\u003c\/span\u003e.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003ca style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" title=\"Linear Slot Diffuser - 25mm wide opening - 1 Slot Vent Covers\" href=\"https:\/\/www.linearairdiffusers.com\/collections\/linear-slot-diffuser-1-slot-with-25mm-slot-opening\" target=\"_blank\"\u003eNeed more airflow? See the enhanced airflow 1-slot diffuser\u003c\/a\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/fwasd19-1-vs-fwasd25-1-linear-slot-diffuser-comparison-commercial-hvac.jpg?v=1780706496\" title=\"High Resolution of Comparison Table (FWASD19-1 VS. FWASD25-1)\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/fwasd19-1-vs-fwasd25-1-linear-slot-diffuser-comparison-commercial-hvac.jpg?v=1780706496\" alt=\"Commercial HVAC linear slot diffuser comparison between FWASD19-1 and FWASD25-1 featuring 3\/4 inch and 1 inch slot widths, airflow efficiency improvements, reduced pressure loss, quieter operation, showroom demonstration availability, and applications for commercial buildings and custom residential homes.\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" alt=\"Flo-Matrix HVAC vent cover with built-in weather foam strip compared to standard vent covers without foam gasket, showing improved air seal, reduced dust streaks, cleaner ceilings, better airflow efficiency, and lower maintenance requirements for residential and commercial HVAC applications.\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781729213\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003ca rel=\"noopener\" title=\"High Resolution of Professional HVAC Diffusers vs Mass Produced Diffusers | Quality Comparison Guide\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\" alt=\"Flo-Matrix HVAC professional-grade linear slot diffusers and air grilles compared to mass-produced generic store diffusers, highlighting T5 aluminum construction, superior airflow performance, expert technical support, custom manufacturing options, commercial project experience, showroom availability, and long-term HVAC performance benefits.\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eSubmittal\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Linear Slot Diffuser (one slot) Submittal Sheet High Resolution PDF Download\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Linear_Slot_Diffuser_1-slot_submittal_high_resolution_download.pdf?v=1750363158\" target=\"_blank\"\u003eClick here to download a high resolution of this submittal sheet\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cimg alt=\"Linear Slot Diffuser -1-slot submittal\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-1-slot-submittal-flomatrix-hvac.jpg?v=1745625727\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eResources\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Linear_Slot_Diffuser_Installation_Instructions_High_Resolution.pdf?v=1759781403\" title=\"Linear Slot Diffuser Installation Guide High Resolution Download\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eLinear Slot Diffuser Installation Guide Download\u003c\/a\u003e\u003ca rel=\"noopener noreferrer\" title=\"19mm vs. 25mm Linear Slot Diffusers: A Quick Guide for HVAC Pros \u0026amp; Homeowners\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/19mm-vs-25mm-linear-slot-diffusers-a-quick-guide-for-hvac-pros-homeowners\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca rel=\"noopener noreferrer\" title=\"19mm vs. 25mm Linear Slot Diffusers: A Quick Guide for HVAC Pros \u0026amp; Homeowners\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/19mm-vs-25mm-linear-slot-diffusers-a-quick-guide-for-hvac-pros-homeowners\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eOur Guide to 19mm VS. 25mm Slot Width Differences\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" title=\"Linear Slot Diffusers: The Smart Choice for Modern HVAC Systems\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/linear-slot-diffusers-smart-choice-for-modern-hvac-systems\" target=\"_blank\"\u003eLinear Slot Diffusers: The Smart Choice for Modern HVAC Systems\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" title=\"Why 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/why-6063-t5-aluminum-is-great-for-linear-slot-diffuser-vent-covers\" target=\"_blank\"\u003eWhy 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/linear-slot-diffuser-upgrade-retrofit-vs-new-construction\" title=\"Linear Slot Diffuser Upgrade: A Guide for Retrofit vs. New Construction\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eLinear Slot Diffuser: A Guide for Retrofit vs. New Construction\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca rel=\"noopener noreferrer\" title=\"CFD Airflow Analysis Services for Smarter HVAC Design\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/cfd-airflow-analysis-hvac-design\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eCFD Airflow Analysis Services for Smarter HVAC Design\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eWhat Makes a Grille, Register, or Diffuser \"Commercial Grade\"?\u003c\/h4\u003e\n\u003cp\u003eTrue commercial-grade GRD products provide architects, engineers, and HVAC professionals with the complete technical data needed for precise project specification. This includes detailed information on material composition and comprehensive performance metrics like flow rates, pressure drop, and noise criteria (NC).\u003c\/p\u003e\n\u003cp\u003eAll our products are rigorously tested in accordance with ADC1062:GRD-84 and the ASHRAE 70-2006 standards. We leverage computational fluid dynamics (CFD) and modern testing to continuously refine our designs for optimal performance and energy efficiency.\u003c\/p\u003e\n\u003cp\u003eSince 1997, we have been a trusted manufacturer of high-quality linear slot diffusers (from 1 to 12 slots) for the commercial HVAC industry. For project-specific questions and expert guidance, please \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca style=\"color: rgb(37, 150, 190);\" rel=\"noopener noreferrer\" title=\"Contact Us Form\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" target=\"_blank\"\u003econtact our product specialists\u003c\/a\u003e\u003c\/span\u003e\u003ca rel=\"noopener noreferrer\" title=\"Contact Us Form\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" target=\"_blank\"\u003e\u003c\/a\u003e at +1-604-437-1527.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eVideos\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eShowcase Video of Product - 1 Slot Linear Diffuser\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/7_HLSGJ1dE4?si=EY4zvH8u9dC4YY6Y\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eDemonstration of airflow direction adjustment - 1 Slot Linear Diffuser\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/1Ugg_bT9wDY?si=EHqofWnvuq2Knfv8\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eHow to insert a linear slot diffuser into a plenum\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/HFvCaQcs1rE?si=nYvC4-UoWcE1fsiu\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eLinear Slot Diffuser Smoke Test (Vertical Throw) Video - 1 Slot\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/wzy7QBMM3n0\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eLinear Slot Diffuser Smoke Test (Horizontal Throw) Video - 1 Slot\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/nMeJOL_9g-M\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eVideos of previous custom plenums\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/5kEmsTcA2uE?si=SBMMXiQkfyDlC7Ob\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/gqC7IVD_kbY?si=araziY9knWlseHoy\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eOur retail store showroom - Greater Vancouver, Canada\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/YeWxWnvc0pw?si=qV2UAJzkCEX6TARr\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"Linear Air Diffusers","offers":[{"title":"Default Title","offer_id":41733477105827,"sku":"FWASD19-1\/76W\/1251L\/007","price":84.41,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-48-inch-1-slot-anodized-silver-frontview-flomatrix-hvac.png?v=1745625439"},{"product_id":"22-linear-slot-diffuser-1-slot-with-19mm-slot-opening-hvac-vent-cover-anodized-satin-silver","title":"22\" Linear Slot Diffuser Vent Cover (1 Slot with 19mm Opening) - Anodized Satin Silver - FLO-MATRIX HVAC","description":"\u003ch5\u003eDetails\u003c\/h5\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003eThis 22-inch linear slot diffuser combines refined aesthetics with engineered performance through its durable anodized silver finish. Unlike bargain alternatives, it's manufactured from commercial-grade extruded aluminum - matching the exact material quality demanded in premium architectural projects. The unit provides exceptional airflow consistency for your spaces while delivering precise VAV system control via its 19mm slot design and 180-degree adjustable blades. (View our airflow demonstration to observe the diffuser's performance characteristics in the videos section.) \u003cstrong\u003eTo ensure proper operation and longevity, installation should be performed by certified HVAC professionals.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong style=\"font-size: 0.875rem;\"\u003e\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong style=\"font-size: 0.875rem;\"\u003e\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cbr\u003e\n\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Size \u0026amp; Design:\u003c\/strong\u003e Features a clean 22\" x 1.5\" nominal size with a sharp ¾\" (19mm) slot opening for a sleek, modern aesthetic. (\u003cem\u003ePlease refer to the size diagram for detailed dimensions\u003c\/em\u003e).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEliminates Ceiling Smudges: \u003c\/strong\u003eAn integrated weather-stripping seal prevents air leakage, protecting your ceiling from unsightly dust marks and ensuring all air is directed through the diffuser.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable, Commercial-Grade Construction: \u003c\/strong\u003eBuilt from heavy-duty \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/why-6063-t5-aluminum-is-great-for-linear-slot-diffuser-vent-covers\" title=\"Why 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003e6063-T5 architectural-grade aluminum\u003c\/a\u003e\u003c\/span\u003e with reinforced Tig welds to resist cracking, chipping, and bending for a lifetime of performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Clear Satin Anodized (a perfect canvas for a DIY spray paint job or installed as is)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClean, Minimalist Installation:\u003c\/strong\u003e Designed for a flawless look with no visible screw holes. Fastening points are discreetly located on the inner border sides. (Note: Fasteners are not included).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustom Airflow Solutions:\u003c\/strong\u003e \u003cspan style=\"color: rgb(31, 33, 36);\"\u003ePair this diffuser with a \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener noreferrer\" title=\"Custom Plenum Box - Built to your specifications by Flo-Matrix HVAC\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/custom-hvac-plenums\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003ecustomizable plenum box\u003c\/a\u003e\u003c\/span\u003e (sold separately) to perfectly match your HVAC system's requirements. \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener noreferrer\" title=\"Video of our plenums for linear slot diffusers air vent covers.\" href=\"https:\/\/youtu.be\/gqC7IVD_kbY?si=1LF7UVkcdi3Q07_p\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eWatch our plenums intro video\u003c\/a\u003e\u003c\/span\u003e to learn more.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShips worldwide from our Vancouver, Canada facility. Local pickup is also available at our showroom.\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eNeed custom sizes?\u003cstrong\u003e \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/pages\/linear-slot-diffuser-quote-request\" title=\"Request a Quote for Linear Slot Diffusers\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eRequest a quote for custom linear slot diffusers and plenums\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e to get pricing, lead times, and support for your project.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Linear_Slot_Diffuser_anodized_finish_installed_photo.jpg?v=1780427468\" alt=\"Modern anodized aluminum linear slot diffuser ceiling installation, sleek HVAC air distribution vent with corrosion-resistant finish and minimalist design.\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003ePerformance\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ctable style=\"width: 500px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003ctd style=\"width: 204.035px; height: 19px;\"\u003e\u003cb\u003e\u003cspan\u003ePerformance Data\u003c\/span\u003e\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; height: 19px;\"\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 157px; height: 19px;\"\u003e\u003cb\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/b\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 40px;\"\u003e\n\u003ctd style=\"width: 204.035px; text-align: center; height: 40px;\"\u003e\n\u003cp\u003e\u003cem\u003eFlow Rate\u003c\/em\u003e\u003cem\u003e\u003cspan\u003e \u003c\/span\u003e(CFM)\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; text-align: center; height: 40px;\"\u003e\u003cem\u003e Static Pressure (in.wg)\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 157px; text-align: center; height: 40px;\"\u003e\u003cem\u003eNoise Level (NC)\u003c\/em\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 59.3578px;\"\u003e\n\u003ctd style=\"width: 204.035px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e80\u003cbr\u003e110\u003cbr\u003e160\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e0.11\u003cbr\u003e0.20\u003cbr\u003e0.41\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 157px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e20\u003cbr\u003e30\u003cbr\u003e40\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e  * Flow rate (CFM) and static pressure (in.wg) are interrelated. It is crucial to know your HVAC system total or static pressure when choosing the proper GRD for optimal performance.\u003c\/p\u003e\n\u003cp\u003e* Performance data independently verified by a globally recognized third-party testing facility. Tested to ADC1062:GRD-84 and ASHRAE 70-2006 standards. CFD and modern testing ensure optimal performance and energy efficiency. For complete performance data, please \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Contact Flo-Matrix HVAC\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" target=\"_blank\"\u003econtact us\u003c\/a\u003e\u003c\/span\u003e.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003ca style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" title=\"Linear Slot Diffuser - 25mm wide opening - 1 Slot Vent Covers\" href=\"https:\/\/www.linearairdiffusers.com\/collections\/linear-slot-diffuser-1-slot-with-25mm-slot-opening\" target=\"_blank\"\u003eNeed more airflow? See the enhanced airflow 1-slot diffuser\u003c\/a\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/fwasd19-1-vs-fwasd25-1-linear-slot-diffuser-comparison-commercial-hvac.jpg?v=1780706496\" title=\"High Resolution of Comparison Table (FWASD19-1 VS. FWASD25-1)\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/fwasd19-1-vs-fwasd25-1-linear-slot-diffuser-comparison-commercial-hvac.jpg?v=1780706496\" alt=\"Commercial HVAC linear slot diffuser comparison between FWASD19-1 and FWASD25-1 featuring 3\/4 inch and 1 inch slot widths, airflow efficiency improvements, reduced pressure loss, quieter operation, showroom demonstration availability, and applications for commercial buildings and custom residential homes.\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" alt=\"Flo-Matrix HVAC vent cover with built-in weather foam strip compared to standard vent covers without foam gasket, showing improved air seal, reduced dust streaks, cleaner ceilings, better airflow efficiency, and lower maintenance requirements for residential and commercial HVAC applications.\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781729213\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003ca rel=\"noopener\" title=\"High Resolution of Professional HVAC Diffusers vs Mass Produced Diffusers | Quality Comparison Guide\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\" alt=\"Flo-Matrix HVAC professional-grade linear slot diffusers and air grilles compared to mass-produced generic store diffusers, highlighting T5 aluminum construction, superior airflow performance, expert technical support, custom manufacturing options, commercial project experience, showroom availability, and long-term HVAC performance benefits.\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eSubmittal\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Linear Slot Diffuser (one slot) Submittal Sheet High Resolution PDF Download\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Linear_Slot_Diffuser_1-slot_submittal_high_resolution_download.pdf?v=1750363158\" target=\"_blank\"\u003eClick here to download a high resolution of this submittal sheet\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-1-slot-submittal-flomatrix-hvac.jpg?v=1745614439\" alt=\"Linear Slot Diffuser -1-slot submittal\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eResources\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Linear Slot Diffuser Installation Guide High Resolution Download\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Linear_Slot_Diffuser_Installation_Instructions_High_Resolution.pdf?v=1759781403\" target=\"_blank\"\u003eLinear Slot Diffuser Installation Guide Download\u003c\/a\u003e\u003ca style=\"color: rgb(37, 150, 190);\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/19mm-vs-25mm-linear-slot-diffusers-a-quick-guide-for-hvac-pros-homeowners\" title=\"19mm vs. 25mm Linear Slot Diffusers: A Quick Guide for HVAC Pros \u0026amp; Homeowners\" rel=\"noopener noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca style=\"color: rgb(37, 150, 190);\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/19mm-vs-25mm-linear-slot-diffusers-a-quick-guide-for-hvac-pros-homeowners\" title=\"19mm vs. 25mm Linear Slot Diffusers: A Quick Guide for HVAC Pros \u0026amp; Homeowners\" rel=\"noopener noreferrer\" target=\"_blank\"\u003eOur Guide to 19mm VS. 25mm Slot Width Differences\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/linear-slot-diffusers-smart-choice-for-modern-hvac-systems\" title=\"Linear Slot Diffusers: The Smart Choice for Modern HVAC Systems\" rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eLinear Slot Diffusers: The Smart Choice for Modern HVAC Systems\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/why-6063-t5-aluminum-is-great-for-linear-slot-diffuser-vent-covers\" title=\"Why 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\" rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eWhy 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Linear Slot Diffuser Upgrade: A Guide for Retrofit vs. New Construction\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/linear-slot-diffuser-upgrade-retrofit-vs-new-construction\" target=\"_blank\"\u003eLinear Slot Diffuser: A Guide for Retrofit vs. New Construction\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca style=\"color: rgb(37, 150, 190);\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/cfd-airflow-analysis-hvac-design\" title=\"CFD Airflow Analysis Services for Smarter HVAC Design\" rel=\"noopener noreferrer\" target=\"_blank\"\u003eCFD Airflow Analysis Services for Smarter HVAC Design\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eWhat Makes a Grille, Register, or Diffuser \"Commercial Grade\"?\u003c\/h4\u003e\n\u003cp\u003eTrue commercial-grade GRD products provide architects, engineers, and HVAC professionals with the complete technical data needed for precise project specification. This includes detailed information on material composition and comprehensive performance metrics like flow rates, pressure drop, and noise criteria (NC).\u003c\/p\u003e\n\u003cp\u003eAll our products are rigorously tested in accordance with ADC1062:GRD-84 and the ASHRAE 70-2006 standards. We leverage computational fluid dynamics (CFD) and modern testing to continuously refine our designs for optimal performance and energy efficiency.\u003c\/p\u003e\n\u003cp\u003eSince 1997, we have been a trusted manufacturer of high-quality linear slot diffusers (from 1 to 12 slots) for the commercial HVAC industry. For project-specific questions and expert guidance, please \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca style=\"color: rgb(37, 150, 190);\" rel=\"noopener noreferrer\" title=\"Contact Us Form\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" target=\"_blank\"\u003econtact our product specialists\u003c\/a\u003e\u003c\/span\u003e at +1-604-437-1527.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eVideos\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eShowcase Video of Product - 1 Slot Linear Diffuser\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/7_HLSGJ1dE4?si=EY4zvH8u9dC4YY6Y\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eDemonstration of airflow direction adjustment - 1 Slot Linear Diffuser\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/1Ugg_bT9wDY?si=EHqofWnvuq2Knfv8\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eHow to insert a linear slot diffuser into a plenum\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/HFvCaQcs1rE?si=nYvC4-UoWcE1fsiu\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eLinear Slot Diffuser Smoke Test (Vertical Throw) Video - 1 Slot\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/wzy7QBMM3n0\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eLinear Slot Diffuser Smoke Test (Horizontal Throw) Video - 1 Slot\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/nMeJOL_9g-M\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eVideos of previous custom plenums\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/5kEmsTcA2uE?si=SBMMXiQkfyDlC7Ob\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/gqC7IVD_kbY?si=araziY9knWlseHoy\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eOur retail store showroom - Greater Vancouver, Canada\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/YeWxWnvc0pw?si=qV2UAJzkCEX6TARr\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"Linear Air Diffusers","offers":[{"title":"Default Title","offer_id":41733491196067,"sku":"FWASD19-1\/76W\/592L\/007","price":40.77,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-22-inch-1-slot-anodized-silver-frontview-flomatrix-hvac.png?v=1745614439"},{"product_id":"12-linear-slot-diffuser-2-slots-with-25mm-slot-opening-hvac-vent-cover-matte-white-finish-wasd25-1","title":"12\" Linear Slot Diffuser Vent Cover (1 Slot with 25mm Opening) - Matte White - FLO-MATRIX HVAC","description":"\u003ch5\u003e\u003cspan\u003eDetails\u003c\/span\u003e\u003c\/h5\u003e\n\u003cdiv\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv\u003eThis 12\" linear slot diffuser features a clean white finish, crafted from durable extruded aluminum for architectural and HVAC applications. Designed for general air distribution and VAV systems, its 25mm slot width includes adjustable blades for 180° airflow control. Compared to our 19mm models, it delivers up to 14% higher airflow while reducing static pressure by 18%—improving efficiency without compromising duct performance. For detailed metrics on flow rate, noise, and static pressure (key for system compatibility), refer to our lab-tested data. See our smoke test video to observe its air dispersion performance. \u003cstrong\u003eProfessional installation is recommended.\u003c\/strong\u003e \u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSleek, Modern Profile:\u003c\/strong\u003e Designed with a crisp 12\" x 2\" nominal size and a defined 1\" (25mm) opening for a minimalist aesthetic. (\u003cem\u003eDetailed dimensions are in the diagram\u003c\/em\u003e).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngineered for High-Capacity Airflow:\u003c\/strong\u003e Features a wider slot opening, a significant increase over the standard 19mm size. This design allows for a greater volume of air to pass through efficiently, making it ideal for high-demand commercial HVAC systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eKeep Ceilings Clean:\u003c\/strong\u003e Integrated sealing prevents escaped air, which stops ugly dust marks from forming on your ceiling and directs air efficiently.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt for Professional Use:\u003c\/strong\u003e Constructed with heavy-gauge \u003ca rel=\"noopener\" title=\"Why 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/why-6063-t5-aluminum-is-great-for-linear-slot-diffuser-vent-covers\" target=\"_blank\"\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e6063-T5 aluminum\u003c\/span\u003e\u003c\/a\u003e, fortified Tig welds, and a chip-resistant powder coat for unwavering reliability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable White Matte Finish:\u003c\/strong\u003e Renowned for its toughness, this matte white powder coat provides exceptional protection from scratches, resists corrosion, and maintains its color without fading.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStreamlined, Invisible Install:\u003c\/strong\u003e Enjoy a flawless finish with no visible screws; mounting is handled discreetly on the interior edges. (Hardware not included).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMatching Plenum:\u003c\/strong\u003e \u003cspan style=\"color: rgb(31, 33, 36);\"\u003ePair this linear slot diffuser with our \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Matching Custom Linear Slot Diffuser Plenum (12x2)\" href=\"https:\/\/www.linearairdiffusers.com\/products\/12x2-plenum-fxp\" target=\"_blank\"\u003ecustomizable 12x2 Plenums FXP Series\u003c\/a\u003e\u003c\/span\u003e (sold separately) to perfectly match your HVAC system's requirements. \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener noreferrer\" title=\"Video of our plenums for linear slot diffusers air vent covers.\" href=\"https:\/\/youtu.be\/gqC7IVD_kbY?si=1LF7UVkcdi3Q07_p\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eWatch our plenums intro video\u003c\/a\u003e\u003c\/span\u003e or click \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/pages\/custom-hvac-plenums\" title=\"Custom Plenum Box - Built to your specifications by Flo-Matrix HVAC\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003ehere to learn more about our custom plenums\u003c\/a\u003e\u003c\/span\u003e.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShips worldwide from our Vancouver, Canada facility. Local pickup is also available at our showroom.\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eNeed custom sizes?\u003cstrong\u003e \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/pages\/linear-slot-diffuser-quote-request\" title=\"Request a Quote for Linear Slot Diffusers\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eRequest a quote for custom linear slot diffusers and plenums\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e to get pricing, lead times, and support for your project.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Linear_Slot_Diffuser_white_single_slot_high_airflow_installed_photo.jpg?v=1780425749\" alt=\"White linear slot diffuser installed on kitchen ceiling, single-slot high-airflow HVAC vent cover with sleek modern design for residential and commercial air distribution.\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003ePerformance\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ctable style=\"width: 500px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003ctd style=\"width: 204.035px; height: 19px;\"\u003e\u003cb\u003e\u003cspan\u003ePerformance Data\u003c\/span\u003e\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; height: 19px;\"\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 157px; height: 19px;\"\u003e\u003cb\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/b\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 40px;\"\u003e\n\u003ctd style=\"width: 204.035px; text-align: center; height: 40px;\"\u003e\n\u003cp\u003e\u003cem\u003eFlow Rate\u003c\/em\u003e\u003cem\u003e\u003cspan\u003e \u003c\/span\u003e(CFM)\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; text-align: center; height: 40px;\"\u003e\u003cem\u003e Static Pressure (in.wg)\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 157px; text-align: center; height: 40px;\"\u003e\u003cem\u003eNoise Level (NC)\u003c\/em\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 59.3578px;\"\u003e\n\u003ctd style=\"width: 204.035px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e43\u003cbr\u003e68\u003cbr\u003e91\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e0.09\u003cbr\u003e0.21\u003cbr\u003e0.37\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 157px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e20\u003cbr\u003e30\u003cbr\u003e40\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e  * Flow rate (CFM) and static pressure (in.wg) are interrelated. It is crucial to know your HVAC system total or static pressure when choosing the proper GRD for optimal performance.\u003c\/p\u003e\n\u003cp\u003e* Performance data independently verified by a globally recognized third-party testing facility. Tested to ADC1062:GRD-84 and ASHRAE 70-2006 standards. CFD and modern testing ensure optimal performance and energy efficiency. For complete performance data, please \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Contact Flo-Matrix HVAC\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" target=\"_blank\"\u003econtact us\u003c\/a\u003e\u003c\/span\u003e.\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003ca rel=\"noopener\" title=\"High Resolution of Comparison Table (FWASD19-1 VS. FWASD25-1)\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/fwasd19-1-vs-fwasd25-1-linear-slot-diffuser-comparison-commercial-hvac.jpg?v=1780706496\" target=\"_blank\"\u003e\u003cimg style=\"margin-bottom: 16px; float: none;\" alt=\"Commercial HVAC linear slot diffuser comparison between FWASD19-1 and FWASD25-1 featuring 3\/4 inch and 1 inch slot widths, airflow efficiency improvements, reduced pressure loss, quieter operation, showroom demonstration availability, and applications for commercial buildings and custom residential homes.\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/fwasd19-1-vs-fwasd25-1-linear-slot-diffuser-comparison-commercial-hvac.jpg?v=1780706496\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" alt=\"Flo-Matrix HVAC vent cover with built-in weather foam strip compared to standard vent covers without foam gasket, showing improved air seal, reduced dust streaks, cleaner ceilings, better airflow efficiency, and lower maintenance requirements for residential and commercial HVAC applications.\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781729213\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\" title=\"High Resolution of Professional HVAC Diffusers vs Mass Produced Diffusers | Quality Comparison Guide\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg style=\"margin-bottom: 16px; float: none;\" alt=\"Flo-Matrix HVAC professional-grade linear slot diffusers and air grilles compared to mass-produced generic store diffusers, highlighting T5 aluminum construction, superior airflow performance, expert technical support, custom manufacturing options, commercial project experience, showroom availability, and long-term HVAC performance benefits.\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003ch5\u003eSubmittal\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser_high_flow_-1-slot-installation-submittal-flomatrix-hvac.pdf?v=1750360336\" title=\"Linear Slot Diffuser (high flow, one slot) Submittal Sheet High Resolution PDF Download\" rel=\"noopener\" target=\"_blank\"\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003eClick here to download a high resolution of this submittal sheet\u003c\/span\u003e\u003c\/strong\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\n\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/FWASD25-1_FLO_SUBMITTAL_240423-images-1.jpg?v=1714191210\"\u003e\u003cimg alt=\"Linear Slot Diffuser high flow 1-slot submittal\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-high-flow-1-slot-submittal-flomatrix-hvac.jpg?v=1745799115\"\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg alt=\"Linear Slot Diffuser high flow 1-slot installation submittal\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-1-slot-installation-submittal-flomatrix-hvac.jpg?v=1745799115\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/FWASD25-1_FLO_SUBMITTAL_240423-images-2.jpg?v=1714191210\"\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eResources\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Linear_Slot_Diffuser_Installation_Instructions_High_Resolution.pdf?v=1759781403\" title=\"Linear Slot Diffuser Installation Guide High Resolution Download\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eLinear Slot Diffuser Installation Guide Download\u003c\/a\u003e\u003ca rel=\"noopener noreferrer\" title=\"19mm vs. 25mm Linear Slot Diffusers: A Quick Guide for HVAC Pros \u0026amp; Homeowners\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/19mm-vs-25mm-linear-slot-diffusers-a-quick-guide-for-hvac-pros-homeowners\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca rel=\"noopener noreferrer\" title=\"19mm vs. 25mm Linear Slot Diffusers: A Quick Guide for HVAC Pros \u0026amp; Homeowners\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/19mm-vs-25mm-linear-slot-diffusers-a-quick-guide-for-hvac-pros-homeowners\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eOur Guide to 19mm VS. 25mm Slot Width Differences\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" title=\"Linear Slot Diffusers: The Smart Choice for Modern HVAC Systems\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/linear-slot-diffusers-smart-choice-for-modern-hvac-systems\" target=\"_blank\"\u003eLinear Slot Diffusers: The Smart Choice for Modern HVAC Systems\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" title=\"Why 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/why-6063-t5-aluminum-is-great-for-linear-slot-diffuser-vent-covers\" target=\"_blank\"\u003eWhy 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/linear-slot-diffuser-upgrade-retrofit-vs-new-construction\" title=\"Linear Slot Diffuser Upgrade: A Guide for Retrofit vs. New Construction\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eLinear Slot Diffuser: A Guide for Retrofit vs. New Construction\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca rel=\"noopener noreferrer\" title=\"CFD Airflow Analysis Services for Smarter HVAC Design\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/cfd-airflow-analysis-hvac-design\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eCFD Airflow Analysis Services for Smarter HVAC Design\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eThe Hallmarks of a True Commercial-Grade Grille, Register, or Diffuser\u003c\/h4\u003e\n\u003cp\u003eFor architects and engineers, \"commercial grade\" signifies a product backed by robust technical documentation that enables accurate system design. This essential data encompasses the full material specification and verified performance metrics, including detailed acoustical data (NC levels), pressure drop, and airflow rates.\u003c\/p\u003e\n\u003cp\u003eOur commitment to this standard is verified through rigorous independent testing per ADC1062:GRD-84 and ASHRAE 70-2006. Furthermore, we employ advanced computational fluid dynamics (CFD) in our design process to enhance energy efficiency and optimize air dispersion performance.\u003c\/p\u003e\n\u003cp\u003eWith a legacy dating back to 1997, we have built our reputation on manufacturing premium linear slot diffusers (1-12 slot configurations) for demanding commercial environments. For assistance with your specific project requirements, \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" title=\"Contact US Form\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003ereach out to our product experts\u003c\/a\u003e\u003c\/span\u003e at +1-604-437-1527.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eVideos\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eShowcase Video of Product - 1 Slot Linear Diffuser\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/7_HLSGJ1dE4?si=EY4zvH8u9dC4YY6Y\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eDemonstration of airflow direction adjustment - 1 Slot Linear Diffuser\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/1Ugg_bT9wDY?si=EHqofWnvuq2Knfv8\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eHow to insert a linear slot diffuser into a plenum\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/HFvCaQcs1rE?si=nYvC4-UoWcE1fsiu\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eLinear Slot Diffuser Smoke Test (Vertical Throw) Video - 1 Slot\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/wzy7QBMM3n0\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eLinear Slot Diffuser Smoke Test (Horizontal Throw) Video - 1 Slot\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/nMeJOL_9g-M\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eVideos of previous custom plenums\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/5kEmsTcA2uE?si=SBMMXiQkfyDlC7Ob\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/gqC7IVD_kbY?si=araziY9knWlseHoy\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eOur retail store showroom - Greater Vancouver, Canada\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/YeWxWnvc0pw?si=qV2UAJzkCEX6TARr\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"Linear Air Diffusers","offers":[{"title":"Default Title","offer_id":41737860251811,"sku":"FWASD25-1\/81W\/333L\/PCWS02","price":30.66,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-high-flow-12-inch-1-slot-white-frontview-flomatrix-hvac.png?v=1745799115"},{"product_id":"48-linear-slot-diffuser-1-slot-with-25mm-slot-opening-hvac-vent-cover-matte-white-finish-wasd25-1","title":"48\" Linear Slot Diffuser Vent Cover (1 Slot with 25mm Opening) - Matte White - FLO-MATRIX HVAC","description":"\u003ch5\u003e\u003cspan\u003eDetails\u003c\/span\u003e\u003c\/h5\u003e\n\u003cdiv\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv\u003eThis 48\" linear slot diffuser features a clean white finish, crafted from durable extruded aluminum for architectural and HVAC applications. Designed for general air distribution and VAV systems, its 25mm slot width includes adjustable blades for 180° airflow control. Compared to our 19mm models, it delivers up to 14% higher airflow while reducing static pressure by 18%—improving efficiency without compromising duct performance. For detailed metrics on flow rate, noise, and static pressure (key for system compatibility), refer to our lab-tested data. See our smoke test video to observe its air dispersion performance. \u003cstrong\u003eProfessional installation is recommended.\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSleek, Modern Profile:\u003c\/strong\u003e Designed with a crisp 48\" x 2\" nominal size and a defined 1\" (25mm) opening for a minimalist aesthetic. (\u003cem\u003eDetailed dimensions are in the diagram\u003c\/em\u003e).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngineered for High-Capacity Airflow:\u003c\/strong\u003e Features a wider slot opening, a significant increase over the standard 19mm size. This design allows for a greater volume of air to pass through efficiently, making it ideal for high-demand commercial HVAC systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eKeep Ceilings Clean:\u003c\/strong\u003e Integrated sealing prevents escaped air, which stops ugly dust marks from forming on your ceiling and directs air efficiently.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt for Professional Use:\u003c\/strong\u003e Constructed with heavy-gauge \u003ca href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/why-6063-t5-aluminum-is-great-for-linear-slot-diffuser-vent-covers\" title=\"Why 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\" rel=\"noopener\" target=\"_blank\"\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e6063-T5 aluminum\u003c\/span\u003e\u003c\/a\u003e, fortified Tig welds, and a chip-resistant powder coat for unwavering reliability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable White Matte Finish:\u003c\/strong\u003e Renowned for its toughness, this matte white powder coat provides exceptional protection from scratches, resists corrosion, and maintains its color without fading.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStreamlined, Invisible Install:\u003c\/strong\u003e Enjoy a flawless finish with no visible screws; mounting is handled discreetly on the interior edges. (Hardware not included).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustomizable HVAC Integration:\u003c\/strong\u003e For ideal performance, combine with a \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/pages\/custom-hvac-plenums\" title=\"Custom Plenum Box - Built to your specifications by Flo-Matrix HVAC\" rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003ematching plenum box\u003c\/a\u003e\u003c\/span\u003e (sold separately) designed for your specific needs. \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/youtu.be\/gqC7IVD_kbY?si=1LF7UVkcdi3Q07_p\" title=\"Custom plenum video introduction.\" rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eWatch our intro video\u003c\/a\u003e\u003c\/span\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShips worldwide from our Vancouver, Canada facility. Local pickup is also available at our showroom.\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-high-flow-48-inch-1-slot-white-fulldimensions-flomatrix-hvac.jpg?v=1745813743\" alt=\"Full dimensions of a white 48 inch 1-slot linear diffuser with 25mm openings for high airflow in commercial HVAC systems\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eNeed custom sizes?\u003cstrong\u003e \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/pages\/linear-slot-diffuser-quote-request\" title=\"Request a Quote for Linear Slot Diffusers\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eRequest a quote for custom linear slot diffusers and plenums\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e to get pricing, lead times, and support for your project.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Linear_Slot_Diffuser_white_single_slot_high_airflow_installed_photo.jpg?v=1780425749\" alt=\"White linear slot diffuser installed on kitchen ceiling, single-slot high-airflow HVAC vent cover with sleek modern design for residential and commercial air distribution.\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003ePerformance\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ctable style=\"width: 500px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003ctd style=\"width: 204.035px; height: 19px;\"\u003e\u003cb\u003e\u003cspan\u003ePerformance Data\u003c\/span\u003e\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; height: 19px;\"\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 157px; height: 19px;\"\u003e\u003cb\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/b\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 40px;\"\u003e\n\u003ctd style=\"width: 204.035px; text-align: center; height: 40px;\"\u003e\n\u003cp\u003e\u003cem\u003eFlow Rate\u003c\/em\u003e\u003cem\u003e\u003cspan\u003e \u003c\/span\u003e(CFM)\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; text-align: center; height: 40px;\"\u003e\u003cem\u003e Static Pressure (in.wg)\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 157px; text-align: center; height: 40px;\"\u003e\u003cem\u003eNoise Level (NC)\u003c\/em\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 59.3578px;\"\u003e\n\u003ctd style=\"width: 204.035px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e175\u003cbr\u003e275\u003cbr\u003e365\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e0.09\u003cbr\u003e0.21\u003cbr\u003e0.37\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 157px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e20\u003cbr\u003e30\u003cbr\u003e40\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e  * Flow rate (CFM) and static pressure (in.wg) are interrelated. It is crucial to know your HVAC system total or static pressure when choosing the proper GRD for optimal performance.\u003c\/p\u003e\n\u003cp\u003e* Performance data independently verified by a globally recognized third-party testing facility. Tested to ADC1062:GRD-84 and ASHRAE 70-2006 standards. CFD and modern testing ensure optimal performance and energy efficiency. For complete performance data, please \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Contact Flo-Matrix HVAC\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" target=\"_blank\"\u003econtact us\u003c\/a\u003e\u003c\/span\u003e.\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003ca rel=\"noopener\" title=\"High Resolution of Comparison Table (FWASD19-1 VS. FWASD25-1)\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/fwasd19-1-vs-fwasd25-1-linear-slot-diffuser-comparison-commercial-hvac.jpg?v=1780706496\" target=\"_blank\"\u003e\u003cimg style=\"margin-bottom: 16px; float: none;\" alt=\"Commercial HVAC linear slot diffuser comparison between FWASD19-1 and FWASD25-1 featuring 3\/4 inch and 1 inch slot widths, airflow efficiency improvements, reduced pressure loss, quieter operation, showroom demonstration availability, and applications for commercial buildings and custom residential homes.\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/fwasd19-1-vs-fwasd25-1-linear-slot-diffuser-comparison-commercial-hvac.jpg?v=1780706496\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" alt=\"Flo-Matrix HVAC vent cover with built-in weather foam strip compared to standard vent covers without foam gasket, showing improved air seal, reduced dust streaks, cleaner ceilings, better airflow efficiency, and lower maintenance requirements for residential and commercial HVAC applications.\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781729213\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\" title=\"High Resolution of Professional HVAC Diffusers vs Mass Produced Diffusers | Quality Comparison Guide\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg style=\"margin-bottom: 16px; float: none;\" alt=\"Flo-Matrix HVAC professional-grade linear slot diffusers and air grilles compared to mass-produced generic store diffusers, highlighting T5 aluminum construction, superior airflow performance, expert technical support, custom manufacturing options, commercial project experience, showroom availability, and long-term HVAC performance benefits.\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003e\u003cbr\u003e\u003c\/h5\u003e\n\u003ch5\u003eSubmittal\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003ca rel=\"noopener\" title=\"Linear Slot Diffuser (high flow, one slot) Submittal Sheet High Resolution PDF Download\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser_high_flow_-1-slot-installation-submittal-flomatrix-hvac.pdf?v=1750360336\" target=\"_blank\"\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003eClick here to download a high resolution of this submittal sheet\u003c\/span\u003e\u003c\/strong\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-high-flow-1-slot-submittal-flomatrix-hvac.jpg?v=1745813743\" alt=\"Linear Slot Diffuser high flow 1-slot submittal\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-1-slot-installation-submittal-flomatrix-hvac.jpg?v=1745813743\" alt=\"Linear Slot Diffuser high flow 1-slot installation submittal\"\u003e\u003c\/p\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eResources\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Linear_Slot_Diffuser_Installation_Instructions_High_Resolution.pdf?v=1759781403\" title=\"Linear Slot Diffuser Installation Guide High Resolution Download\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eLinear Slot Diffuser Installation Guide Download\u003c\/a\u003e\u003ca rel=\"noopener noreferrer\" title=\"19mm vs. 25mm Linear Slot Diffusers: A Quick Guide for HVAC Pros \u0026amp; Homeowners\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/19mm-vs-25mm-linear-slot-diffusers-a-quick-guide-for-hvac-pros-homeowners\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca rel=\"noopener noreferrer\" title=\"19mm vs. 25mm Linear Slot Diffusers: A Quick Guide for HVAC Pros \u0026amp; Homeowners\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/19mm-vs-25mm-linear-slot-diffusers-a-quick-guide-for-hvac-pros-homeowners\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eOur Guide to 19mm VS. 25mm Slot Width Differences\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" title=\"Linear Slot Diffusers: The Smart Choice for Modern HVAC Systems\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/linear-slot-diffusers-smart-choice-for-modern-hvac-systems\" target=\"_blank\"\u003eLinear Slot Diffusers: The Smart Choice for Modern HVAC Systems\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" title=\"Why 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/why-6063-t5-aluminum-is-great-for-linear-slot-diffuser-vent-covers\" target=\"_blank\"\u003eWhy 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/linear-slot-diffuser-upgrade-retrofit-vs-new-construction\" title=\"Linear Slot Diffuser Upgrade: A Guide for Retrofit vs. New Construction\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eLinear Slot Diffuser: A Guide for Retrofit vs. New Construction\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca rel=\"noopener noreferrer\" title=\"CFD Airflow Analysis Services for Smarter HVAC Design\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/cfd-airflow-analysis-hvac-design\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eCFD Airflow Analysis Services for Smarter HVAC Design\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eThe Hallmarks of a True Commercial-Grade Grille, Register, or Diffuser\u003c\/h4\u003e\n\u003cp\u003eFor architects and engineers, \"commercial grade\" signifies a product backed by robust technical documentation that enables accurate system design. This essential data encompasses the full material specification and verified performance metrics, including detailed acoustical data (NC levels), pressure drop, and airflow rates.\u003c\/p\u003e\n\u003cp\u003eOur commitment to this standard is verified through rigorous independent testing per ADC1062:GRD-84 and ASHRAE 70-2006. Furthermore, we employ advanced computational fluid dynamics (CFD) in our design process to enhance energy efficiency and optimize air dispersion performance.\u003c\/p\u003e\n\u003cp\u003eWith a legacy dating back to 1997, we have built our reputation on manufacturing premium linear slot diffusers (1-12 slot configurations) for demanding commercial environments. For assistance with your specific project requirements, \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca style=\"color: rgb(37, 150, 190);\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" title=\"Contact US Form\" rel=\"noopener\" target=\"_blank\"\u003ereach out to our product experts\u003c\/a\u003e\u003c\/span\u003e at +1-604-437-1527.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eVideos\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eShowcase Video of Product - 1 Slot Linear Diffuser\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/7_HLSGJ1dE4?si=EY4zvH8u9dC4YY6Y\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eDemonstration of airflow direction adjustment - 1 Slot Linear Diffuser\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/1Ugg_bT9wDY?si=EHqofWnvuq2Knfv8\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eHow to insert a linear slot diffuser into a plenum\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/HFvCaQcs1rE?si=nYvC4-UoWcE1fsiu\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eLinear Slot Diffuser Smoke Test (Vertical Throw) Video - 1 Slot\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/wzy7QBMM3n0\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eLinear Slot Diffuser Smoke Test (Horizontal Throw) Video - 1 Slot\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/nMeJOL_9g-M\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eVideos of previous custom plenums\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/5kEmsTcA2uE?si=SBMMXiQkfyDlC7Ob\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/gqC7IVD_kbY?si=araziY9knWlseHoy\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eOur retail store showroom - Greater Vancouver, Canada\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/YeWxWnvc0pw?si=qV2UAJzkCEX6TARr\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"Linear Air Diffusers","offers":[{"title":"Default Title","offer_id":41738223157411,"sku":"FWASD25-1\/81W\/1247L\/PCWS02","price":84.41,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-high-flow-48-inch-1-slot-white-frontview-flomatrix-hvac.png?v=1745814175"},{"product_id":"16-linear-slot-diffuser-1-slot-25mm-opening-hvac-vent-cover-white","title":"16\" Linear Slot Diffuser Vent Cover (1 Slot with 25mm Opening) - Matte White - FLO-MATRIX HVAC","description":"\u003ch5\u003e\u003cspan\u003eDetails\u003c\/span\u003e\u003c\/h5\u003e\n\u003cdiv\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv\u003eThis 16\" linear slot diffuser features a clean white finish, crafted from durable extruded aluminum for architectural and HVAC applications. Designed for general air distribution and VAV systems, its 25mm slot width includes adjustable blades for 180° airflow control. Compared to our 19mm models, it delivers up to 14% higher airflow while reducing static pressure by 18%—improving efficiency without compromising duct performance. For detailed metrics on flow rate, noise, and static pressure (key for system compatibility), refer to our lab-tested data. See our smoke test video to observe its air dispersion performance. \u003cstrong\u003eProfessional installation is recommended.\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSleek, Modern Profile:\u003c\/strong\u003e Designed with a crisp 16\" x 2\" nominal size and a defined 1\" (25mm) opening for a minimalist aesthetic. (\u003cem\u003eDetailed dimensions are in the diagram\u003c\/em\u003e).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngineered for High-Capacity Airflow:\u003c\/strong\u003e Features a wider slot opening, a significant increase over the standard 19mm size. This design allows for a greater volume of air to pass through efficiently, making it ideal for high-demand commercial HVAC systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eKeep Ceilings Clean:\u003c\/strong\u003e Integrated sealing prevents escaped air, which stops ugly dust marks from forming on your ceiling and directs air efficiently.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt for Professional Use:\u003c\/strong\u003e Constructed with heavy-gauge \u003ca rel=\"noopener\" title=\"Why 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/why-6063-t5-aluminum-is-great-for-linear-slot-diffuser-vent-covers\" target=\"_blank\"\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e6063-T5 aluminum\u003c\/span\u003e\u003c\/a\u003e, fortified Tig welds, and a chip-resistant powder coat for unwavering reliability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable White Matte Finish:\u003c\/strong\u003e Renowned for its toughness, this matte white powder coat provides exceptional protection from scratches, resists corrosion, and maintains its color without fading.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStreamlined, Invisible Install:\u003c\/strong\u003e Enjoy a flawless finish with no visible screws; mounting is handled discreetly on the interior edges. (Hardware not included).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMatching Plenum:\u003c\/strong\u003e \u003cspan style=\"color: rgb(31, 33, 36);\"\u003ePair this linear slot diffuser with our \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Matching Custom Linear Slot Diffuser Plenum (16x2)\" href=\"https:\/\/www.linearairdiffusers.com\/products\/16x2-plenums-fxp\" target=\"_blank\"\u003ecustomizable 16x2 Plenums FXP Series\u003c\/a\u003e\u003c\/span\u003e (sold separately) to perfectly match your HVAC system's requirements. \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener noreferrer\" title=\"Video of our plenums for linear slot diffusers air vent covers.\" href=\"https:\/\/youtu.be\/gqC7IVD_kbY?si=1LF7UVkcdi3Q07_p\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eWatch our plenums intro video\u003c\/a\u003e\u003c\/span\u003e or click \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/pages\/custom-hvac-plenums\" title=\"Custom Plenum Box - Built to your specifications by Flo-Matrix HVAC\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003ehere to learn more about our custom plenums\u003c\/a\u003e\u003c\/span\u003e.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShips worldwide from our Vancouver, Canada facility. Local pickup is also available at our showroom.\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg alt=\"Full dimensions of a white 16 inch 1-slot linear diffuser with 25mm openings for high airflow in commercial HVAC systems\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-high-flow-16-inch-1-slot-white-fulldimensions-flomatrix-hvac.jpg?v=1745801774\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eNeed custom sizes?\u003cstrong\u003e \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/pages\/linear-slot-diffuser-quote-request\" title=\"Request a Quote for Linear Slot Diffusers\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eRequest a quote for custom linear slot diffusers and plenums\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e to get pricing, lead times, and support for your project.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Linear_Slot_Diffuser_white_single_slot_high_airflow_installed_photo.jpg?v=1780425749\" alt=\"White linear slot diffuser installed on kitchen ceiling, single-slot high-airflow HVAC vent cover with sleek modern design for residential and commercial air distribution.\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003ePerformance\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ctable style=\"width: 500px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003ctd style=\"width: 204.035px; height: 19px;\"\u003e\u003cb\u003e\u003cspan\u003ePerformance Data\u003c\/span\u003e\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; height: 19px;\"\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 157px; height: 19px;\"\u003e\u003cb\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/b\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 40px;\"\u003e\n\u003ctd style=\"width: 204.035px; text-align: center; height: 40px;\"\u003e\n\u003cp\u003e\u003cem\u003eFlow Rate\u003c\/em\u003e\u003cem\u003e\u003cspan\u003e \u003c\/span\u003e(CFM)\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; text-align: center; height: 40px;\"\u003e\u003cem\u003e Static Pressure (in.wg)\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 157px; text-align: center; height: 40px;\"\u003e\u003cem\u003eNoise Level (NC)\u003c\/em\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 59.3578px;\"\u003e\n\u003ctd style=\"width: 204.035px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e58\u003cbr\u003e91\u003cbr\u003e121\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e0.09\u003cbr\u003e0.21\u003cbr\u003e0.37\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 157px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e20\u003cbr\u003e30\u003cbr\u003e40\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e  * Flow rate (CFM) and static pressure (in.wg) are interrelated. It is crucial to know your HVAC system total or static pressure when choosing the proper GRD for optimal performance.\u003c\/p\u003e\n\u003cp\u003e* Performance data independently verified by a globally recognized third-party testing facility. Tested to ADC1062:GRD-84 and ASHRAE 70-2006 standards. CFD and modern testing ensure optimal performance and energy efficiency. For complete performance data, please \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Contact Flo-Matrix HVAC\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" target=\"_blank\"\u003econtact us\u003c\/a\u003e\u003c\/span\u003e.\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003ca rel=\"noopener\" title=\"High Resolution of Comparison Table (FWASD19-1 VS. FWASD25-1)\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/fwasd19-1-vs-fwasd25-1-linear-slot-diffuser-comparison-commercial-hvac.jpg?v=1780706496\" target=\"_blank\"\u003e\u003cimg style=\"margin-bottom: 16px; float: none;\" alt=\"Commercial HVAC linear slot diffuser comparison between FWASD19-1 and FWASD25-1 featuring 3\/4 inch and 1 inch slot widths, airflow efficiency improvements, reduced pressure loss, quieter operation, showroom demonstration availability, and applications for commercial buildings and custom residential homes.\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/fwasd19-1-vs-fwasd25-1-linear-slot-diffuser-comparison-commercial-hvac.jpg?v=1780706496\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" alt=\"Flo-Matrix HVAC vent cover with built-in weather foam strip compared to standard vent covers without foam gasket, showing improved air seal, reduced dust streaks, cleaner ceilings, better airflow efficiency, and lower maintenance requirements for residential and commercial HVAC applications.\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781729213\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\" title=\"High Resolution of Professional HVAC Diffusers vs Mass Produced Diffusers | Quality Comparison Guide\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg style=\"margin-bottom: 16px; float: none;\" alt=\"Flo-Matrix HVAC professional-grade linear slot diffusers and air grilles compared to mass-produced generic store diffusers, highlighting T5 aluminum construction, superior airflow performance, expert technical support, custom manufacturing options, commercial project experience, showroom availability, and long-term HVAC performance benefits.\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003e\u003cbr\u003e\u003c\/h5\u003e\n\u003ch5\u003eSubmittal\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser_high_flow_-1-slot-installation-submittal-flomatrix-hvac.pdf?v=1750360336\" title=\"Linear Slot Diffuser (high flow, one slot) Submittal Sheet High Resolution PDF Download\" rel=\"noopener\" target=\"_blank\"\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003eClick here to download a high resolution of this submittal sheet\u003c\/span\u003e\u003c\/strong\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/FWASD25-1_FLO_SUBMITTAL_240423-images-1.jpg?v=1714191210\" alt=\"\"\u003e\u003cimg alt=\"Linear Slot Diffuser high flow 1-slot submittal\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-high-flow-1-slot-submittal-flomatrix-hvac.jpg?v=1745801774\"\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg alt=\"Linear Slot Diffuser high flow 1-slot installation submittal\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-1-slot-installation-submittal-flomatrix-hvac.jpg?v=1745801774\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eResources\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Linear_Slot_Diffuser_Installation_Instructions_High_Resolution.pdf?v=1759781403\" title=\"Linear Slot Diffuser Installation Guide High Resolution Download\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eLinear Slot Diffuser Installation Guide Download\u003c\/a\u003e\u003ca rel=\"noopener noreferrer\" title=\"19mm vs. 25mm Linear Slot Diffusers: A Quick Guide for HVAC Pros \u0026amp; Homeowners\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/19mm-vs-25mm-linear-slot-diffusers-a-quick-guide-for-hvac-pros-homeowners\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca rel=\"noopener noreferrer\" title=\"19mm vs. 25mm Linear Slot Diffusers: A Quick Guide for HVAC Pros \u0026amp; Homeowners\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/19mm-vs-25mm-linear-slot-diffusers-a-quick-guide-for-hvac-pros-homeowners\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eOur Guide to 19mm VS. 25mm Slot Width Differences\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" title=\"Linear Slot Diffusers: The Smart Choice for Modern HVAC Systems\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/linear-slot-diffusers-smart-choice-for-modern-hvac-systems\" target=\"_blank\"\u003eLinear Slot Diffusers: The Smart Choice for Modern HVAC Systems\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" title=\"Why 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/why-6063-t5-aluminum-is-great-for-linear-slot-diffuser-vent-covers\" target=\"_blank\"\u003eWhy 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/linear-slot-diffuser-upgrade-retrofit-vs-new-construction\" title=\"Linear Slot Diffuser Upgrade: A Guide for Retrofit vs. New Construction\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eLinear Slot Diffuser: A Guide for Retrofit vs. New Construction\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca rel=\"noopener noreferrer\" title=\"CFD Airflow Analysis Services for Smarter HVAC Design\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/cfd-airflow-analysis-hvac-design\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eCFD Airflow Analysis Services for Smarter HVAC Design\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eThe Hallmarks of a True Commercial-Grade Grille, Register, or Diffuser\u003c\/h4\u003e\n\u003cp\u003eFor architects and engineers, \"commercial grade\" signifies a product backed by robust technical documentation that enables accurate system design. This essential data encompasses the full material specification and verified performance metrics, including detailed acoustical data (NC levels), pressure drop, and airflow rates.\u003c\/p\u003e\n\u003cp\u003eOur commitment to this standard is verified through rigorous independent testing per ADC1062:GRD-84 and ASHRAE 70-2006. Furthermore, we employ advanced computational fluid dynamics (CFD) in our design process to enhance energy efficiency and optimize air dispersion performance.\u003c\/p\u003e\n\u003cp\u003eWith a legacy dating back to 1997, we have built our reputation on manufacturing premium linear slot diffusers (1-12 slot configurations) for demanding commercial environments. For assistance with your specific project requirements, \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" title=\"Contact US Form\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003ereach out to our product experts\u003c\/a\u003e\u003c\/span\u003e at +1-604-437-1527.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eVideos\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eShowcase Video of Product - 1 Slot Linear Diffuser\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/7_HLSGJ1dE4?si=EY4zvH8u9dC4YY6Y\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eDemonstration of airflow direction adjustment - 1 Slot Linear Diffuser\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/1Ugg_bT9wDY?si=EHqofWnvuq2Knfv8\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eHow to insert a linear slot diffuser into a plenum\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/HFvCaQcs1rE?si=nYvC4-UoWcE1fsiu\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eLinear Slot Diffuser Smoke Test (Vertical Throw) Video - 1 Slot\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/wzy7QBMM3n0\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eLinear Slot Diffuser Smoke Test (Horizontal Throw) Video - 1 Slot\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/nMeJOL_9g-M\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eVideos of previous custom plenums\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/5kEmsTcA2uE?si=SBMMXiQkfyDlC7Ob\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/gqC7IVD_kbY?si=araziY9knWlseHoy\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eOur retail store showroom - Greater Vancouver, Canada\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/YeWxWnvc0pw?si=qV2UAJzkCEX6TARr\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"Linear Air Diffusers","offers":[{"title":"Default Title","offer_id":41738236395683,"sku":"FWASD25-1\/81W\/434L\/PCWS02","price":32.58,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-high-flow-16-inch-1-slot-white-frontview-flomatrix-hvac.png?v=1745803402"},{"product_id":"20-linear-slot-diffuser-1-slot-with-25mm-slot-opening-hvac-vent-cover-matte-white-finish-wasd25-1","title":"20\" Linear Slot Diffuser Vent Cover (1 Slot with 25mm Opening) - Matte White - FLO-MATRIX HVAC","description":"\u003ch5\u003e\u003cspan\u003eDetails\u003c\/span\u003e\u003c\/h5\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003eThis 20\" linear slot diffuser features a clean white finish, crafted from durable extruded aluminum for architectural and HVAC applications. Designed for general air distribution and VAV systems, its 25mm slot width includes adjustable blades for 180° airflow control. Compared to our 19mm models, it delivers up to 14% higher airflow while reducing static pressure by 18%—improving efficiency without compromising duct performance. For detailed metrics on flow rate, noise, and static pressure (key for system compatibility), refer to our lab-tested data. See our smoke test video to observe its air dispersion performance. \u003cstrong\u003eProfessional installation is recommended.\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSleek, Modern Profile:\u003c\/strong\u003e Designed with a crisp 20\" x 2\" nominal size and a defined 1\" (25mm) opening for a minimalist aesthetic. (\u003cem\u003eDetailed dimensions are in the diagram\u003c\/em\u003e).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngineered for High-Capacity Airflow:\u003c\/strong\u003e Features a wider slot opening, a significant increase over the standard 19mm size. This design allows for a greater volume of air to pass through efficiently, making it ideal for high-demand commercial HVAC systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eKeep Ceilings Clean:\u003c\/strong\u003e Integrated sealing prevents escaped air, which stops ugly dust marks from forming on your ceiling and directs air efficiently.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt for Professional Use:\u003c\/strong\u003e Constructed with heavy-gauge \u003ca rel=\"noopener\" title=\"Why 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/why-6063-t5-aluminum-is-great-for-linear-slot-diffuser-vent-covers\" target=\"_blank\"\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e6063-T5 aluminum\u003c\/span\u003e\u003c\/a\u003e, fortified Tig welds, and a chip-resistant powder coat for unwavering reliability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable White Matte Finish:\u003c\/strong\u003e Renowned for its toughness, this matte white powder coat provides exceptional protection from scratches, resists corrosion, and maintains its color without fading.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStreamlined, Invisible Install:\u003c\/strong\u003e Enjoy a flawless finish with no visible screws; mounting is handled discreetly on the interior edges. (Hardware not included).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMatching Plenum:\u003c\/strong\u003e \u003cspan style=\"color: rgb(31, 33, 36);\"\u003ePair this linear slot diffuser with our \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/products\/20x2-plenums-fxp\" title=\"Matching Custom Linear Slot Diffuser Plenum (20x2)\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003ecustomizable 20x2 Plenums FXP Series\u003c\/a\u003e\u003c\/span\u003e (sold separately) to perfectly match your HVAC system's requirements. \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca style=\"color: rgb(37, 150, 190);\" href=\"https:\/\/youtu.be\/gqC7IVD_kbY?si=1LF7UVkcdi3Q07_p\" title=\"Video of our plenums for linear slot diffusers air vent covers.\" rel=\"noopener noreferrer\" target=\"_blank\"\u003eWatch our plenums intro video\u003c\/a\u003e\u003c\/span\u003e or click \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Custom Plenum Box - Built to your specifications by Flo-Matrix HVAC\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/custom-hvac-plenums\" target=\"_blank\"\u003ehere to learn more about our custom plenums\u003c\/a\u003e\u003c\/span\u003e.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShips worldwide from our Vancouver, Canada facility. Local pickup is also available at our showroom.\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eNeed custom sizes?\u003cstrong\u003e \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/pages\/linear-slot-diffuser-quote-request\" title=\"Request a Quote for Linear Slot Diffusers\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eRequest a quote for custom linear slot diffusers and plenums\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e to get pricing, lead times, and support for your project.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Linear_Slot_Diffuser_white_single_slot_high_airflow_installed_photo.jpg?v=1780425749\" alt=\"White linear slot diffuser installed on kitchen ceiling, single-slot high-airflow HVAC vent cover with sleek modern design for residential and commercial air distribution.\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003ePerformance\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ctable style=\"width: 500px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003ctd style=\"width: 204.035px; height: 19px;\"\u003e\u003cb\u003e\u003cspan\u003ePerformance Data\u003c\/span\u003e\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; height: 19px;\"\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 157px; height: 19px;\"\u003e\u003cb\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/b\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 40px;\"\u003e\n\u003ctd style=\"width: 204.035px; text-align: center; height: 40px;\"\u003e\n\u003cp\u003e\u003cem\u003eFlow Rate\u003c\/em\u003e\u003cem\u003e\u003cspan\u003e \u003c\/span\u003e(CFM)\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; text-align: center; height: 40px;\"\u003e\u003cem\u003e Static Pressure (in.wg)\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 157px; text-align: center; height: 40px;\"\u003e\u003cem\u003eNoise Level (NC)\u003c\/em\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 59.3578px;\"\u003e\n\u003ctd style=\"width: 204.035px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e72\u003cbr\u003e114\u003cbr\u003e152\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e0.09\u003cbr\u003e0.21\u003cbr\u003e0.37\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 157px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e20\u003cbr\u003e30\u003cbr\u003e40\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e  * Flow rate (CFM) and static pressure (in.wg) are interrelated. It is crucial to know your HVAC system total or static pressure when choosing the proper GRD for optimal performance.\u003c\/p\u003e\n\u003cp\u003e* Performance data independently verified by a globally recognized third-party testing facility. Tested to ADC1062:GRD-84 and ASHRAE 70-2006 standards. CFD and modern testing ensure optimal performance and energy efficiency. For complete performance data, please \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Contact Flo-Matrix HVAC\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" target=\"_blank\"\u003econtact us\u003c\/a\u003e\u003c\/span\u003e.\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003ca rel=\"noopener\" title=\"High Resolution of Comparison Table (FWASD19-1 VS. FWASD25-1)\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/fwasd19-1-vs-fwasd25-1-linear-slot-diffuser-comparison-commercial-hvac.jpg?v=1780706496\" target=\"_blank\"\u003e\u003cimg style=\"margin-bottom: 16px; float: none;\" alt=\"Commercial HVAC linear slot diffuser comparison between FWASD19-1 and FWASD25-1 featuring 3\/4 inch and 1 inch slot widths, airflow efficiency improvements, reduced pressure loss, quieter operation, showroom demonstration availability, and applications for commercial buildings and custom residential homes.\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/fwasd19-1-vs-fwasd25-1-linear-slot-diffuser-comparison-commercial-hvac.jpg?v=1780706496\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" alt=\"Flo-Matrix HVAC vent cover with built-in weather foam strip compared to standard vent covers without foam gasket, showing improved air seal, reduced dust streaks, cleaner ceilings, better airflow efficiency, and lower maintenance requirements for residential and commercial HVAC applications.\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781729213\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\" title=\"High Resolution of Professional HVAC Diffusers vs Mass Produced Diffusers | Quality Comparison Guide\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg style=\"margin-bottom: 16px; float: none;\" alt=\"Flo-Matrix HVAC professional-grade linear slot diffusers and air grilles compared to mass-produced generic store diffusers, highlighting T5 aluminum construction, superior airflow performance, expert technical support, custom manufacturing options, commercial project experience, showroom availability, and long-term HVAC performance benefits.\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003e\u003cbr\u003e\u003c\/h5\u003e\n\u003ch5\u003eSubmittal\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser_high_flow_-1-slot-installation-submittal-flomatrix-hvac.pdf?v=1750360336\" title=\"Linear Slot Diffuser (high flow, one slot) Submittal Sheet High Resolution PDF Download\" rel=\"noopener\" target=\"_blank\"\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003eClick here to download a high resolution of this submittal sheet\u003c\/span\u003e\u003c\/strong\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"Linear Slot Diffuser high flow 1-slot submittal\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-high-flow-1-slot-submittal-flomatrix-hvac.jpg?v=1745802489\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"Linear Slot Diffuser high flow 1-slot installation submittal\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-1-slot-installation-submittal-flomatrix-hvac.jpg?v=1745802489\"\u003e\u003c\/p\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/FWASD25-1_FLO_SUBMITTAL_240423-images-1.jpg?v=1714191210\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003ch5\u003eResources\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Linear_Slot_Diffuser_Installation_Instructions_High_Resolution.pdf?v=1759781403\" title=\"Linear Slot Diffuser Installation Guide High Resolution Download\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eLinear Slot Diffuser Installation Guide Download\u003c\/a\u003e\u003ca rel=\"noopener noreferrer\" title=\"19mm vs. 25mm Linear Slot Diffusers: A Quick Guide for HVAC Pros \u0026amp; Homeowners\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/19mm-vs-25mm-linear-slot-diffusers-a-quick-guide-for-hvac-pros-homeowners\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca rel=\"noopener noreferrer\" title=\"19mm vs. 25mm Linear Slot Diffusers: A Quick Guide for HVAC Pros \u0026amp; Homeowners\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/19mm-vs-25mm-linear-slot-diffusers-a-quick-guide-for-hvac-pros-homeowners\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eOur Guide to 19mm VS. 25mm Slot Width Differences\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" title=\"Linear Slot Diffusers: The Smart Choice for Modern HVAC Systems\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/linear-slot-diffusers-smart-choice-for-modern-hvac-systems\" target=\"_blank\"\u003eLinear Slot Diffusers: The Smart Choice for Modern HVAC Systems\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" title=\"Why 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/why-6063-t5-aluminum-is-great-for-linear-slot-diffuser-vent-covers\" target=\"_blank\"\u003eWhy 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/linear-slot-diffuser-upgrade-retrofit-vs-new-construction\" title=\"Linear Slot Diffuser Upgrade: A Guide for Retrofit vs. New Construction\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eLinear Slot Diffuser: A Guide for Retrofit vs. New Construction\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca rel=\"noopener noreferrer\" title=\"CFD Airflow Analysis Services for Smarter HVAC Design\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/cfd-airflow-analysis-hvac-design\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eCFD Airflow Analysis Services for Smarter HVAC Design\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eThe Hallmarks of a True Commercial-Grade Grille, Register, or Diffuser\u003c\/h4\u003e\n\u003cp\u003eFor architects and engineers, \"commercial grade\" signifies a product backed by robust technical documentation that enables accurate system design. This essential data encompasses the full material specification and verified performance metrics, including detailed acoustical data (NC levels), pressure drop, and airflow rates.\u003c\/p\u003e\n\u003cp\u003eOur commitment to this standard is verified through rigorous independent testing per ADC1062:GRD-84 and ASHRAE 70-2006. Furthermore, we employ advanced computational fluid dynamics (CFD) in our design process to enhance energy efficiency and optimize air dispersion performance.\u003c\/p\u003e\n\u003cp\u003eWith a legacy dating back to 1997, we have built our reputation on manufacturing premium linear slot diffusers (1-12 slot configurations) for demanding commercial environments. For assistance with your specific project requirements, \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" title=\"Contact US Form\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003ereach out to our product experts\u003c\/a\u003e\u003c\/span\u003e at +1-604-437-1527.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eVideos\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eShowcase Video of Product - 1 Slot Linear Diffuser\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/7_HLSGJ1dE4?si=EY4zvH8u9dC4YY6Y\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eDemonstration of airflow direction adjustment - 1 Slot Linear Diffuser\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/1Ugg_bT9wDY?si=EHqofWnvuq2Knfv8\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eHow to insert a linear slot diffuser into a plenum\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/HFvCaQcs1rE?si=nYvC4-UoWcE1fsiu\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eLinear Slot Diffuser Smoke Test (Vertical Throw) Video - 1 Slot\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/wzy7QBMM3n0\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eLinear Slot Diffuser Smoke Test (Horizontal Throw) Video - 1 Slot\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/nMeJOL_9g-M\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eVideos of previous custom plenums\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/5kEmsTcA2uE?si=SBMMXiQkfyDlC7Ob\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/gqC7IVD_kbY?si=araziY9knWlseHoy\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eOur retail store showroom - Greater Vancouver, Canada\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/YeWxWnvc0pw?si=qV2UAJzkCEX6TARr\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"Linear Air Diffusers","offers":[{"title":"Default Title","offer_id":41738247864483,"sku":"FWASD25-1\/81W\/536L\/PCWS02","price":38.27,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-high-flow-20-inch-1-slot-white-frontview-flomatrix-hvac.png?v=1745803268"},{"product_id":"22-linear-slot-diffuser-1-slot-with-25mm-slot-opening-hvac-vent-cover-matte-white-finish-wasd25-1","title":"22\" Linear Slot Diffuser Vent Cover (1 Slot with 25mm Opening) - Matte White - FLO-MATRIX HVAC","description":"\u003ch5\u003e\u003cspan\u003eDetails\u003c\/span\u003e\u003c\/h5\u003e\n\u003cdiv\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv\u003eThis 22\" linear slot diffuser features a clean white finish, crafted from durable extruded aluminum for architectural and HVAC applications. Designed for general air distribution and VAV systems, its 25mm slot width includes adjustable blades for 180° airflow control. Compared to our 19mm models, it delivers up to 14% higher airflow while reducing static pressure by 18%—improving efficiency without compromising duct performance. For detailed metrics on flow rate, noise, and static pressure (key for system compatibility), refer to our lab-tested data. See our smoke test video to observe its air dispersion performance. Professional installation is recommended.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSleek, Modern Profile:\u003c\/strong\u003e Designed with a crisp 22\" x 2\" nominal size and a defined 1\" (25mm) opening for a minimalist aesthetic. (\u003cem\u003eDetailed dimensions are in the diagram\u003c\/em\u003e).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngineered for High-Capacity Airflow:\u003c\/strong\u003e Features a wider slot opening, a significant increase over the standard 19mm size. This design allows for a greater volume of air to pass through efficiently, making it ideal for high-demand commercial HVAC systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eKeep Ceilings Clean:\u003c\/strong\u003e Integrated sealing prevents escaped air, which stops ugly dust marks from forming on your ceiling and directs air efficiently.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt for Professional Use:\u003c\/strong\u003e Constructed with heavy-gauge \u003ca rel=\"noopener\" title=\"Why 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/why-6063-t5-aluminum-is-great-for-linear-slot-diffuser-vent-covers\" target=\"_blank\"\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e6063-T5 aluminum\u003c\/span\u003e\u003c\/a\u003e, fortified Tig welds, and a chip-resistant powder coat for unwavering reliability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable White Matte Finish:\u003c\/strong\u003e Renowned for its toughness, this matte white powder coat provides exceptional protection from scratches, resists corrosion, and maintains its color without fading.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStreamlined, Invisible Install:\u003c\/strong\u003e Enjoy a flawless finish with no visible screws; mounting is handled discreetly on the interior edges. (Hardware not included).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMatching Plenum:\u003c\/strong\u003e \u003cspan style=\"color: rgb(31, 33, 36);\"\u003ePair this linear slot diffuser with our \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Matching Custom Linear Slot Diffuser Plenum (22x2)\" href=\"https:\/\/www.linearairdiffusers.com\/products\/22x2-plenums-fxp\" target=\"_blank\"\u003ecustomizable 22x2 Plenums FXP Series\u003c\/a\u003e\u003c\/span\u003e (sold separately) to perfectly match your HVAC system's requirements. \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener noreferrer\" title=\"Video of our plenums for linear slot diffusers air vent covers.\" href=\"https:\/\/youtu.be\/gqC7IVD_kbY?si=1LF7UVkcdi3Q07_p\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eWatch our plenums intro video\u003c\/a\u003e\u003c\/span\u003e or click \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/pages\/custom-hvac-plenums\" title=\"Custom Plenum Box - Built to your specifications by Flo-Matrix HVAC\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003ehere to learn more about our custom plenums\u003c\/a\u003e\u003c\/span\u003e.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShips worldwide from our Vancouver, Canada facility. Local pickup is also available at our showroom.\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eNeed custom sizes?\u003cstrong\u003e \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/pages\/linear-slot-diffuser-quote-request\" title=\"Request a Quote for Linear Slot Diffusers\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eRequest a quote for custom linear slot diffusers and plenums\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e to get pricing, lead times, and support for your project.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Linear_Slot_Diffuser_white_single_slot_high_airflow_installed_photo.jpg?v=1780425749\" alt=\"White linear slot diffuser installed on kitchen ceiling, single-slot high-airflow HVAC vent cover with sleek modern design for residential and commercial air distribution.\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003ePerformance\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ctable style=\"width: 500px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003ctd style=\"width: 204.035px; height: 19px;\"\u003e\u003cb\u003e\u003cspan\u003ePerformance Data\u003c\/span\u003e\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; height: 19px;\"\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 157px; height: 19px;\"\u003e\u003cb\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/b\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 40px;\"\u003e\n\u003ctd style=\"width: 204.035px; text-align: center; height: 40px;\"\u003e\n\u003cp\u003e\u003cem\u003eFlow Rate\u003c\/em\u003e\u003cem\u003e\u003cspan\u003e \u003c\/span\u003e(CFM)\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; text-align: center; height: 40px;\"\u003e\u003cem\u003e Static Pressure (in.wg)\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 157px; text-align: center; height: 40px;\"\u003e\u003cem\u003eNoise Level (NC)\u003c\/em\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 59.3578px;\"\u003e\n\u003ctd style=\"width: 204.035px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e80\u003cbr\u003e126\u003cbr\u003e167\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e0.09\u003cbr\u003e0.21\u003cbr\u003e0.37\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 157px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e20\u003cbr\u003e30\u003cbr\u003e40\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e  * Flow rate (CFM) and static pressure (in.wg) are interrelated. It is crucial to know your HVAC system total or static pressure when choosing the proper GRD for optimal performance.\u003c\/p\u003e\n\u003cp\u003e* Performance data independently verified by a globally recognized third-party testing facility. Tested to ADC1062:GRD-84 and ASHRAE 70-2006 standards. CFD and modern testing ensure optimal performance and energy efficiency. For complete performance data, please \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Contact Flo-Matrix HVAC\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" target=\"_blank\"\u003econtact us\u003c\/a\u003e\u003c\/span\u003e.\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003ca rel=\"noopener\" title=\"High Resolution of Comparison Table (FWASD19-1 VS. FWASD25-1)\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/fwasd19-1-vs-fwasd25-1-linear-slot-diffuser-comparison-commercial-hvac.jpg?v=1780706496\" target=\"_blank\"\u003e\u003cimg style=\"margin-bottom: 16px; float: none;\" alt=\"Commercial HVAC linear slot diffuser comparison between FWASD19-1 and FWASD25-1 featuring 3\/4 inch and 1 inch slot widths, airflow efficiency improvements, reduced pressure loss, quieter operation, showroom demonstration availability, and applications for commercial buildings and custom residential homes.\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/fwasd19-1-vs-fwasd25-1-linear-slot-diffuser-comparison-commercial-hvac.jpg?v=1780706496\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" alt=\"Flo-Matrix HVAC vent cover with built-in weather foam strip compared to standard vent covers without foam gasket, showing improved air seal, reduced dust streaks, cleaner ceilings, better airflow efficiency, and lower maintenance requirements for residential and commercial HVAC applications.\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781729213\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\" title=\"High Resolution of Professional HVAC Diffusers vs Mass Produced Diffusers | Quality Comparison Guide\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg style=\"margin-bottom: 16px; float: none;\" alt=\"Flo-Matrix HVAC professional-grade linear slot diffusers and air grilles compared to mass-produced generic store diffusers, highlighting T5 aluminum construction, superior airflow performance, expert technical support, custom manufacturing options, commercial project experience, showroom availability, and long-term HVAC performance benefits.\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eSubmittal\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser_high_flow_-1-slot-installation-submittal-flomatrix-hvac.pdf?v=1750360336\" title=\"Linear Slot Diffuser (high flow, one slot) Submittal Sheet High Resolution PDF Download\" rel=\"noopener\" target=\"_blank\"\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003eClick here to download a high resolution of this submittal sheet\u003c\/span\u003e\u003c\/strong\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-high-flow-1-slot-submittal-flomatrix-hvac.jpg?v=1745803088\" alt=\"Linear Slot Diffuser high flow 1-slot submittal\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-1-slot-installation-submittal-flomatrix-hvac.jpg?v=1745803088\" alt=\"Linear Slot Diffuser high flow 1-slot installation submittal\"\u003e\u003c\/p\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eResources\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Linear_Slot_Diffuser_Installation_Instructions_High_Resolution.pdf?v=1759781403\" title=\"Linear Slot Diffuser Installation Guide High Resolution Download\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eLinear Slot Diffuser Installation Guide Download\u003c\/a\u003e\u003ca rel=\"noopener noreferrer\" title=\"19mm vs. 25mm Linear Slot Diffusers: A Quick Guide for HVAC Pros \u0026amp; Homeowners\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/19mm-vs-25mm-linear-slot-diffusers-a-quick-guide-for-hvac-pros-homeowners\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca rel=\"noopener noreferrer\" title=\"19mm vs. 25mm Linear Slot Diffusers: A Quick Guide for HVAC Pros \u0026amp; Homeowners\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/19mm-vs-25mm-linear-slot-diffusers-a-quick-guide-for-hvac-pros-homeowners\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eOur Guide to 19mm VS. 25mm Slot Width Differences\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" title=\"Linear Slot Diffusers: The Smart Choice for Modern HVAC Systems\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/linear-slot-diffusers-smart-choice-for-modern-hvac-systems\" target=\"_blank\"\u003eLinear Slot Diffusers: The Smart Choice for Modern HVAC Systems\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" title=\"Why 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/why-6063-t5-aluminum-is-great-for-linear-slot-diffuser-vent-covers\" target=\"_blank\"\u003eWhy 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/linear-slot-diffuser-upgrade-retrofit-vs-new-construction\" title=\"Linear Slot Diffuser Upgrade: A Guide for Retrofit vs. New Construction\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eLinear Slot Diffuser: A Guide for Retrofit vs. New Construction\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca rel=\"noopener noreferrer\" title=\"CFD Airflow Analysis Services for Smarter HVAC Design\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/cfd-airflow-analysis-hvac-design\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eCFD Airflow Analysis Services for Smarter HVAC Design\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eThe Hallmarks of a True Commercial-Grade Grille, Register, or Diffuser\u003c\/h4\u003e\n\u003cp\u003eFor architects and engineers, \"commercial grade\" signifies a product backed by robust technical documentation that enables accurate system design. This essential data encompasses the full material specification and verified performance metrics, including detailed acoustical data (NC levels), pressure drop, and airflow rates.\u003c\/p\u003e\n\u003cp\u003eOur commitment to this standard is verified through rigorous independent testing per ADC1062:GRD-84 and ASHRAE 70-2006. Furthermore, we employ advanced computational fluid dynamics (CFD) in our design process to enhance energy efficiency and optimize air dispersion performance.\u003c\/p\u003e\n\u003cp\u003eWith a legacy dating back to 1997, we have built our reputation on manufacturing premium linear slot diffusers (1-12 slot configurations) for demanding commercial environments. For assistance with your specific project requirements, \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" title=\"Contact US Form\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003ereach out to our product experts\u003c\/a\u003e\u003c\/span\u003e at +1-604-437-1527.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eVideos\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eShowcase Video of Product - 1 Slot Linear Diffuser\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/7_HLSGJ1dE4?si=EY4zvH8u9dC4YY6Y\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eDemonstration of airflow direction adjustment - 1 Slot Linear Diffuser\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/1Ugg_bT9wDY?si=EHqofWnvuq2Knfv8\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eHow to insert a linear slot diffuser into a plenum\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/HFvCaQcs1rE?si=nYvC4-UoWcE1fsiu\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eLinear Slot Diffuser Smoke Test (Vertical Throw) Video - 1 Slot\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/wzy7QBMM3n0\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eLinear Slot Diffuser Smoke Test (Horizontal Throw) Video - 1 Slot\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/nMeJOL_9g-M\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eVideos of previous custom plenums\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/5kEmsTcA2uE?si=SBMMXiQkfyDlC7Ob\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/gqC7IVD_kbY?si=araziY9knWlseHoy\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eOur retail store showroom - Greater Vancouver, Canada\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/YeWxWnvc0pw?si=qV2UAJzkCEX6TARr\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"Linear Air Diffusers","offers":[{"title":"Default Title","offer_id":41738255368355,"sku":"FWASD25-1\/81W\/588L\/PCWS02","price":40.77,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-high-flow-22-inch-1-slot-white-frontview-flomatrix-hvac.png?v=1745803088"},{"product_id":"24-linear-slot-diffuser-1-slot-with-25mm-slot-opening-hvac-vent-cover-matte-white-finish-wasd25-1","title":"24\" Linear Slot Diffuser Vent Cover (1 Slot with 25mm Opening) - Matte White - FLO-MATRIX HVAC","description":"\u003ch5\u003e\u003cspan\u003eDetails\u003c\/span\u003e\u003c\/h5\u003e\n\u003cdiv\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv\u003eThis 24\" linear slot diffuser features a clean white finish, crafted from durable extruded aluminum for architectural and HVAC applications. Designed for general air distribution and VAV systems, its 25mm slot width includes adjustable blades for 180° airflow control. Compared to our 19mm models, it delivers up to 14% higher airflow while reducing static pressure by 18%—improving efficiency without compromising duct performance. For detailed metrics on flow rate, noise, and static pressure (key for system compatibility), refer to our lab-tested data. See our smoke test video to observe its air dispersion performance. \u003cstrong\u003eProfessional installation is recommended.\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSleek, Modern Profile:\u003c\/strong\u003e Designed with a crisp 24\" x 2\" nominal size and a defined 1\" (25mm) opening for a minimalist aesthetic. (\u003cem\u003eDetailed dimensions are in the diagram\u003c\/em\u003e).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngineered for High-Capacity Airflow:\u003c\/strong\u003e Features a wider slot opening, a significant increase over the standard 19mm size. This design allows for a greater volume of air to pass through efficiently, making it ideal for high-demand commercial HVAC systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eKeep Ceilings Clean:\u003c\/strong\u003e Integrated sealing prevents escaped air, which stops ugly dust marks from forming on your ceiling and directs air efficiently.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt for Professional Use:\u003c\/strong\u003e Constructed with heavy-gauge \u003ca href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/why-6063-t5-aluminum-is-great-for-linear-slot-diffuser-vent-covers\" title=\"Why 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\" rel=\"noopener\" target=\"_blank\"\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e6063-T5 aluminum\u003c\/span\u003e\u003c\/a\u003e, fortified Tig welds, and a chip-resistant powder coat for unwavering reliability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable White Matte Finish:\u003c\/strong\u003e Renowned for its toughness, this matte white powder coat provides exceptional protection from scratches, resists corrosion, and maintains its color without fading.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStreamlined, Invisible Install:\u003c\/strong\u003e Enjoy a flawless finish with no visible screws; mounting is handled discreetly on the interior edges. (Hardware not included).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMatching Plenum:\u003c\/strong\u003e \u003cspan style=\"color: rgb(31, 33, 36);\"\u003ePair this linear slot diffuser with our \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Matching Custom Linear Slot Diffuser Plenum (24x2)\" href=\"https:\/\/www.linearairdiffusers.com\/products\/24x2-plenums-fxp\" target=\"_blank\"\u003ecustomizable 24x2 Plenums FXP Series\u003c\/a\u003e\u003c\/span\u003e (sold separately) to perfectly match your HVAC system's requirements. \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca style=\"color: rgb(37, 150, 190);\" href=\"https:\/\/youtu.be\/gqC7IVD_kbY?si=1LF7UVkcdi3Q07_p\" title=\"Video of our plenums for linear slot diffusers air vent covers.\" rel=\"noopener noreferrer\" target=\"_blank\"\u003eWatch our plenums intro video\u003c\/a\u003e\u003c\/span\u003e or click \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Custom Plenum Box - Built to your specifications by Flo-Matrix HVAC\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/custom-hvac-plenums\" target=\"_blank\"\u003ehere to learn more about our custom plenums\u003c\/a\u003e\u003c\/span\u003e.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShips worldwide from our Vancouver, Canada facility. Local pickup is also available at our showroom.\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-high-flow-24-inch-1-slot-white-fulldimensions-flomatrix-hvac.jpg?v=1745803955\" alt=\"Full dimensions of a white 24 inch 1-slot linear diffuser with 25mm openings for high airflow in commercial HVAC systems\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eNeed custom sizes?\u003cstrong\u003e \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/pages\/linear-slot-diffuser-quote-request\" title=\"Request a Quote for Linear Slot Diffusers\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eRequest a quote for custom linear slot diffusers and plenums\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e to get pricing, lead times, and support for your project.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Linear_Slot_Diffuser_white_single_slot_high_airflow_installed_photo.jpg?v=1780425749\" alt=\"White linear slot diffuser installed on kitchen ceiling, single-slot high-airflow HVAC vent cover with sleek modern design for residential and commercial air distribution.\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003ePerformance\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ctable style=\"width: 500px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003ctd style=\"width: 204.035px; height: 19px;\"\u003e\u003cb\u003e\u003cspan\u003ePerformance Data\u003c\/span\u003e\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; height: 19px;\"\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 157px; height: 19px;\"\u003e\u003cb\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/b\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 40px;\"\u003e\n\u003ctd style=\"width: 204.035px; text-align: center; height: 40px;\"\u003e\n\u003cp\u003e\u003cem\u003eFlow Rate\u003c\/em\u003e\u003cem\u003e\u003cspan\u003e \u003c\/span\u003e(CFM)\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; text-align: center; height: 40px;\"\u003e\u003cem\u003e Static Pressure (in.wg)\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 157px; text-align: center; height: 40px;\"\u003e\u003cem\u003eNoise Level (NC)\u003c\/em\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 59.3578px;\"\u003e\n\u003ctd style=\"width: 204.035px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e87\u003cbr\u003e137\u003cbr\u003e182\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e0.09\u003cbr\u003e0.21\u003cbr\u003e0.37\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 157px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e20\u003cbr\u003e30\u003cbr\u003e40\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e  * Flow rate (CFM) and static pressure (in.wg) are interrelated. It is crucial to know your HVAC system total or static pressure when choosing the proper GRD for optimal performance.\u003c\/p\u003e\n\u003cp\u003e* Performance data independently verified by a globally recognized third-party testing facility. Tested to ADC1062:GRD-84 and ASHRAE 70-2006 standards. CFD and modern testing ensure optimal performance and energy efficiency. For complete performance data, please \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Contact Flo-Matrix HVAC\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" target=\"_blank\"\u003econtact us\u003c\/a\u003e\u003c\/span\u003e.\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003ca rel=\"noopener\" title=\"High Resolution of Comparison Table (FWASD19-1 VS. FWASD25-1)\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/fwasd19-1-vs-fwasd25-1-linear-slot-diffuser-comparison-commercial-hvac.jpg?v=1780706496\" target=\"_blank\"\u003e\u003cimg style=\"margin-bottom: 16px; float: none;\" alt=\"Commercial HVAC linear slot diffuser comparison between FWASD19-1 and FWASD25-1 featuring 3\/4 inch and 1 inch slot widths, airflow efficiency improvements, reduced pressure loss, quieter operation, showroom demonstration availability, and applications for commercial buildings and custom residential homes.\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/fwasd19-1-vs-fwasd25-1-linear-slot-diffuser-comparison-commercial-hvac.jpg?v=1780706496\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" alt=\"Flo-Matrix HVAC vent cover with built-in weather foam strip compared to standard vent covers without foam gasket, showing improved air seal, reduced dust streaks, cleaner ceilings, better airflow efficiency, and lower maintenance requirements for residential and commercial HVAC applications.\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781729213\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\" title=\"High Resolution of Professional HVAC Diffusers vs Mass Produced Diffusers | Quality Comparison Guide\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg style=\"margin-bottom: 16px; float: none;\" alt=\"Flo-Matrix HVAC professional-grade linear slot diffusers and air grilles compared to mass-produced generic store diffusers, highlighting T5 aluminum construction, superior airflow performance, expert technical support, custom manufacturing options, commercial project experience, showroom availability, and long-term HVAC performance benefits.\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003e\u003cbr\u003e\u003c\/h5\u003e\n\u003ch5\u003eSubmittal\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003ca rel=\"noopener\" title=\"Linear Slot Diffuser (high flow, one slot) Submittal Sheet High Resolution PDF Download\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser_high_flow_-1-slot-installation-submittal-flomatrix-hvac.pdf?v=1750360336\" target=\"_blank\"\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003eClick here to download a high resolution of this submittal sheet\u003c\/span\u003e\u003c\/strong\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/FWASD25-1_FLO_SUBMITTAL_240423-images-1.jpg?v=1714191210\" alt=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-high-flow-1-slot-submittal-flomatrix-hvac.jpg?v=1745803955\" alt=\"Linear Slot Diffuser high flow 1-slot submittal\"\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-1-slot-installation-submittal-flomatrix-hvac.jpg?v=1745803955\" alt=\"Linear Slot Diffuser high flow 1-slot installation submittal\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/FWASD25-1_FLO_SUBMITTAL_240423-images-2.jpg?v=1714191210\" alt=\"\"\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eResources\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Linear_Slot_Diffuser_Installation_Instructions_High_Resolution.pdf?v=1759781403\" title=\"Linear Slot Diffuser Installation Guide High Resolution Download\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eLinear Slot Diffuser Installation Guide Download\u003c\/a\u003e\u003ca rel=\"noopener noreferrer\" title=\"19mm vs. 25mm Linear Slot Diffusers: A Quick Guide for HVAC Pros \u0026amp; Homeowners\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/19mm-vs-25mm-linear-slot-diffusers-a-quick-guide-for-hvac-pros-homeowners\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca rel=\"noopener noreferrer\" title=\"19mm vs. 25mm Linear Slot Diffusers: A Quick Guide for HVAC Pros \u0026amp; Homeowners\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/19mm-vs-25mm-linear-slot-diffusers-a-quick-guide-for-hvac-pros-homeowners\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eOur Guide to 19mm VS. 25mm Slot Width Differences\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" title=\"Linear Slot Diffusers: The Smart Choice for Modern HVAC Systems\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/linear-slot-diffusers-smart-choice-for-modern-hvac-systems\" target=\"_blank\"\u003eLinear Slot Diffusers: The Smart Choice for Modern HVAC Systems\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" title=\"Why 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/why-6063-t5-aluminum-is-great-for-linear-slot-diffuser-vent-covers\" target=\"_blank\"\u003eWhy 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/linear-slot-diffuser-upgrade-retrofit-vs-new-construction\" title=\"Linear Slot Diffuser Upgrade: A Guide for Retrofit vs. New Construction\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eLinear Slot Diffuser: A Guide for Retrofit vs. New Construction\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca rel=\"noopener noreferrer\" title=\"CFD Airflow Analysis Services for Smarter HVAC Design\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/cfd-airflow-analysis-hvac-design\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eCFD Airflow Analysis Services for Smarter HVAC Design\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eThe Hallmarks of a True Commercial-Grade Grille, Register, or Diffuser\u003c\/h4\u003e\n\u003cp\u003eFor architects and engineers, \"commercial grade\" signifies a product backed by robust technical documentation that enables accurate system design. This essential data encompasses the full material specification and verified performance metrics, including detailed acoustical data (NC levels), pressure drop, and airflow rates.\u003c\/p\u003e\n\u003cp\u003eOur commitment to this standard is verified through rigorous independent testing per ADC1062:GRD-84 and ASHRAE 70-2006. Furthermore, we employ advanced computational fluid dynamics (CFD) in our design process to enhance energy efficiency and optimize air dispersion performance.\u003c\/p\u003e\n\u003cp\u003eWith a legacy dating back to 1997, we have built our reputation on manufacturing premium linear slot diffusers (1-12 slot configurations) for demanding commercial environments. For assistance with your specific project requirements, \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca style=\"color: rgb(37, 150, 190);\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" title=\"Contact US Form\" rel=\"noopener\" target=\"_blank\"\u003ereach out to our product experts\u003c\/a\u003e\u003c\/span\u003e at +1-604-437-1527.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eVideos\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eShowcase Video of Product - 1 Slot Linear Diffuser\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/7_HLSGJ1dE4?si=EY4zvH8u9dC4YY6Y\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eDemonstration of airflow direction adjustment - 1 Slot Linear Diffuser\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/1Ugg_bT9wDY?si=EHqofWnvuq2Knfv8\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eHow to insert a linear slot diffuser into a plenum\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/HFvCaQcs1rE?si=nYvC4-UoWcE1fsiu\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eLinear Slot Diffuser Smoke Test (Vertical Throw) Video - 1 Slot\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/wzy7QBMM3n0\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eLinear Slot Diffuser Smoke Test (Horizontal Throw) Video - 1 Slot\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/nMeJOL_9g-M\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eVideos of previous custom plenums\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/5kEmsTcA2uE?si=SBMMXiQkfyDlC7Ob\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/gqC7IVD_kbY?si=araziY9knWlseHoy\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eOur retail store showroom - Greater Vancouver, Canada\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/YeWxWnvc0pw?si=qV2UAJzkCEX6TARr\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"Linear Air Diffusers","offers":[{"title":"Default Title","offer_id":41738278535331,"sku":"FWASD25-1\/81W\/638L\/PCWS02","price":43.27,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-high-flow-24-inch-1-slot-white-frontview-flomatrix-hvac.png?v=1745803955"},{"product_id":"32-linear-slot-diffuser-1-slot-with-25mm-slot-opening-hvac-vent-cover-matte-white-finish-wasd25-1","title":"32\" Linear Slot Diffuser Vent Cover (1 Slot with 25mm Opening) - Matte White - FLO-MATRIX HVAC","description":"\u003ch5\u003e\u003cspan\u003eDetails\u003c\/span\u003e\u003c\/h5\u003e\n\u003cdiv\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv\u003eThis 32\" linear slot diffuser features a clean white finish, crafted from durable extruded aluminum for architectural and HVAC applications. Designed for general air distribution and VAV systems, its 25mm slot width includes adjustable blades for 180° airflow control. Compared to our 19mm models, it delivers up to 14% higher airflow while reducing static pressure by 18%—improving efficiency without compromising duct performance. For detailed metrics on flow rate, noise, and static pressure (key for system compatibility), refer to our lab-tested data. See our smoke test video to observe its air dispersion performance. \u003cstrong\u003eProfessional installation is recommended.\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSleek, Modern Profile:\u003c\/strong\u003e Designed with a crisp 32\" x 2\" nominal size and a defined 1\" (25mm) opening for a minimalist aesthetic. (\u003cem\u003eDetailed dimensions are in the diagram\u003c\/em\u003e).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngineered for High-Capacity Airflow:\u003c\/strong\u003e Features a wider slot opening, a significant increase over the standard 19mm size. This design allows for a greater volume of air to pass through efficiently, making it ideal for high-demand commercial HVAC systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eKeep Ceilings Clean:\u003c\/strong\u003e Integrated sealing prevents escaped air, which stops ugly dust marks from forming on your ceiling and directs air efficiently.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt for Professional Use:\u003c\/strong\u003e Constructed with heavy-gauge \u003ca href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/why-6063-t5-aluminum-is-great-for-linear-slot-diffuser-vent-covers\" title=\"Why 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\" rel=\"noopener\" target=\"_blank\"\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e6063-T5 aluminum\u003c\/span\u003e\u003c\/a\u003e, fortified Tig welds, and a chip-resistant powder coat for unwavering reliability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable White Matte Finish:\u003c\/strong\u003e Renowned for its toughness, this matte white powder coat provides exceptional protection from scratches, resists corrosion, and maintains its color without fading.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStreamlined, Invisible Install:\u003c\/strong\u003e Enjoy a flawless finish with no visible screws; mounting is handled discreetly on the interior edges. (Hardware not included).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustomizable HVAC Integration:\u003c\/strong\u003e For ideal performance, combine with a \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/pages\/custom-hvac-plenums\" title=\"Custom Plenum Box - Built to your specifications by Flo-Matrix HVAC\" rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003ematching plenum box\u003c\/a\u003e\u003c\/span\u003e (sold separately) designed for your specific needs. \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/youtu.be\/gqC7IVD_kbY?si=1LF7UVkcdi3Q07_p\" title=\"Custom plenum video introduction.\" rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eWatch our intro video\u003c\/a\u003e\u003c\/span\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShips worldwide from our Vancouver, Canada facility. Local pickup is also available at our showroom.\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-high-flow-32-inch-1-slot-white-fulldimensions-flomatrix-hvac.jpg?v=1745807009\" alt=\"Full dimensions of a white 32 inch 1-slot linear diffuser with 25mm openings for high airflow in commercial HVAC systems\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eNeed custom sizes?\u003cstrong\u003e \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/pages\/linear-slot-diffuser-quote-request\" title=\"Request a Quote for Linear Slot Diffusers\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eRequest a quote for custom linear slot diffusers and plenums\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e to get pricing, lead times, and support for your project.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Linear_Slot_Diffuser_white_single_slot_high_airflow_installed_photo.jpg?v=1780425749\" alt=\"White linear slot diffuser installed on kitchen ceiling, single-slot high-airflow HVAC vent cover with sleek modern design for residential and commercial air distribution.\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003ePerformance\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ctable style=\"width: 500px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003ctd style=\"width: 204.035px; height: 19px;\"\u003e\u003cb\u003e\u003cspan\u003ePerformance Data\u003c\/span\u003e\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; height: 19px;\"\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 157px; height: 19px;\"\u003e\u003cb\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/b\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 40px;\"\u003e\n\u003ctd style=\"width: 204.035px; text-align: center; height: 40px;\"\u003e\n\u003cp\u003e\u003cem\u003eFlow Rate\u003c\/em\u003e\u003cem\u003e\u003cspan\u003e \u003c\/span\u003e(CFM)\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; text-align: center; height: 40px;\"\u003e\u003cem\u003e Static Pressure (in.wg)\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 157px; text-align: center; height: 40px;\"\u003e\u003cem\u003eNoise Level (NC)\u003c\/em\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 59.3578px;\"\u003e\n\u003ctd style=\"width: 204.035px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e116\u003cbr\u003e183\u003cbr\u003e243\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e0.09\u003cbr\u003e0.21\u003cbr\u003e0.37\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 157px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e20\u003cbr\u003e30\u003cbr\u003e40\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e  * Flow rate (CFM) and static pressure (in.wg) are interrelated. It is crucial to know your HVAC system total or static pressure when choosing the proper GRD for optimal performance.\u003c\/p\u003e\n\u003cp\u003e* Performance data independently verified by a globally recognized third-party testing facility. Tested to ADC1062:GRD-84 and ASHRAE 70-2006 standards. CFD and modern testing ensure optimal performance and energy efficiency. For complete performance data, please \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Contact Flo-Matrix HVAC\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" target=\"_blank\"\u003econtact us\u003c\/a\u003e\u003c\/span\u003e.\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003ca rel=\"noopener\" title=\"High Resolution of Comparison Table (FWASD19-1 VS. FWASD25-1)\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/fwasd19-1-vs-fwasd25-1-linear-slot-diffuser-comparison-commercial-hvac.jpg?v=1780706496\" target=\"_blank\"\u003e\u003cimg style=\"margin-bottom: 16px; float: none;\" alt=\"Commercial HVAC linear slot diffuser comparison between FWASD19-1 and FWASD25-1 featuring 3\/4 inch and 1 inch slot widths, airflow efficiency improvements, reduced pressure loss, quieter operation, showroom demonstration availability, and applications for commercial buildings and custom residential homes.\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/fwasd19-1-vs-fwasd25-1-linear-slot-diffuser-comparison-commercial-hvac.jpg?v=1780706496\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" alt=\"Flo-Matrix HVAC vent cover with built-in weather foam strip compared to standard vent covers without foam gasket, showing improved air seal, reduced dust streaks, cleaner ceilings, better airflow efficiency, and lower maintenance requirements for residential and commercial HVAC applications.\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781729213\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\" title=\"High Resolution of Professional HVAC Diffusers vs Mass Produced Diffusers | Quality Comparison Guide\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg style=\"margin-bottom: 16px; float: none;\" alt=\"Flo-Matrix HVAC professional-grade linear slot diffusers and air grilles compared to mass-produced generic store diffusers, highlighting T5 aluminum construction, superior airflow performance, expert technical support, custom manufacturing options, commercial project experience, showroom availability, and long-term HVAC performance benefits.\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003e\u003cbr\u003e\u003c\/h5\u003e\n\u003ch5\u003eSubmittal\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003ca rel=\"noopener\" title=\"Linear Slot Diffuser (high flow, one slot) Submittal Sheet High Resolution PDF Download\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser_high_flow_-1-slot-installation-submittal-flomatrix-hvac.pdf?v=1750360336\" target=\"_blank\"\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003eClick here to download a high resolution of this submittal sheet\u003c\/span\u003e\u003c\/strong\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/FWASD25-1_FLO_SUBMITTAL_240423-images-1.jpg?v=1714191210\" alt=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-high-flow-1-slot-submittal-flomatrix-hvac.jpg?v=1745807009\" alt=\"Linear Slot Diffuser high flow 1-slot submittal\"\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-1-slot-installation-submittal-flomatrix-hvac.jpg?v=1745807009\" alt=\"Linear Slot Diffuser high flow 1-slot installation submittal\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eResources\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Linear_Slot_Diffuser_Installation_Instructions_High_Resolution.pdf?v=1759781403\" title=\"Linear Slot Diffuser Installation Guide High Resolution Download\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eLinear Slot Diffuser Installation Guide Download\u003c\/a\u003e\u003ca rel=\"noopener noreferrer\" title=\"19mm vs. 25mm Linear Slot Diffusers: A Quick Guide for HVAC Pros \u0026amp; Homeowners\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/19mm-vs-25mm-linear-slot-diffusers-a-quick-guide-for-hvac-pros-homeowners\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca rel=\"noopener noreferrer\" title=\"19mm vs. 25mm Linear Slot Diffusers: A Quick Guide for HVAC Pros \u0026amp; Homeowners\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/19mm-vs-25mm-linear-slot-diffusers-a-quick-guide-for-hvac-pros-homeowners\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eOur Guide to 19mm VS. 25mm Slot Width Differences\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" title=\"Linear Slot Diffusers: The Smart Choice for Modern HVAC Systems\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/linear-slot-diffusers-smart-choice-for-modern-hvac-systems\" target=\"_blank\"\u003eLinear Slot Diffusers: The Smart Choice for Modern HVAC Systems\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" title=\"Why 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/why-6063-t5-aluminum-is-great-for-linear-slot-diffuser-vent-covers\" target=\"_blank\"\u003eWhy 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/linear-slot-diffuser-upgrade-retrofit-vs-new-construction\" title=\"Linear Slot Diffuser Upgrade: A Guide for Retrofit vs. New Construction\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eLinear Slot Diffuser: A Guide for Retrofit vs. New Construction\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca rel=\"noopener noreferrer\" title=\"CFD Airflow Analysis Services for Smarter HVAC Design\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/cfd-airflow-analysis-hvac-design\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eCFD Airflow Analysis Services for Smarter HVAC Design\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eThe Hallmarks of a True Commercial-Grade Grille, Register, or Diffuser\u003c\/h4\u003e\n\u003cp\u003eFor architects and engineers, \"commercial grade\" signifies a product backed by robust technical documentation that enables accurate system design. This essential data encompasses the full material specification and verified performance metrics, including detailed acoustical data (NC levels), pressure drop, and airflow rates.\u003c\/p\u003e\n\u003cp\u003eOur commitment to this standard is verified through rigorous independent testing per ADC1062:GRD-84 and ASHRAE 70-2006. Furthermore, we employ advanced computational fluid dynamics (CFD) in our design process to enhance energy efficiency and optimize air dispersion performance.\u003c\/p\u003e\n\u003cp\u003eWith a legacy dating back to 1997, we have built our reputation on manufacturing premium linear slot diffusers (1-12 slot configurations) for demanding commercial environments. For assistance with your specific project requirements, \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca style=\"color: rgb(37, 150, 190);\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" title=\"Contact US Form\" rel=\"noopener\" target=\"_blank\"\u003ereach out to our product experts\u003c\/a\u003e\u003c\/span\u003e at +1-604-437-1527.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eVideos\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eShowcase Video of Product - 1 Slot Linear Diffuser\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/7_HLSGJ1dE4?si=EY4zvH8u9dC4YY6Y\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eDemonstration of airflow direction adjustment - 1 Slot Linear Diffuser\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/1Ugg_bT9wDY?si=EHqofWnvuq2Knfv8\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eHow to insert a linear slot diffuser into a plenum\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/HFvCaQcs1rE?si=nYvC4-UoWcE1fsiu\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eLinear Slot Diffuser Smoke Test (Vertical Throw) Video - 1 Slot\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/wzy7QBMM3n0\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eLinear Slot Diffuser Smoke Test (Horizontal Throw) Video - 1 Slot\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/nMeJOL_9g-M\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eVideos of previous custom plenums\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/5kEmsTcA2uE?si=SBMMXiQkfyDlC7Ob\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/gqC7IVD_kbY?si=araziY9knWlseHoy\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eOur retail store showroom - Greater Vancouver, Canada\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/YeWxWnvc0pw?si=qV2UAJzkCEX6TARr\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"Linear Air Diffusers","offers":[{"title":"Default Title","offer_id":41738288464035,"sku":"FWASD25-1\/81W\/841L\/PCWS02","price":59.85,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-high-flow-32-inch-1-slot-white-frontview-flomatrix-hvac.png?v=1745814391"},{"product_id":"36-linear-slot-diffuser-1-slot-with-25mm-slot-opening-hvac-vent-cover-matte-white-finish-wasd25-1","title":"36\" Linear Slot Diffuser Vent Cover (1 Slot with 25mm Opening) - Matte White - FLO-MATRIX HVAC","description":"\u003ch5\u003e\u003cspan\u003eDetails\u003c\/span\u003e\u003c\/h5\u003e\n\u003cdiv\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv\u003eThis 36\" linear slot diffuser features a clean white finish, crafted from durable extruded aluminum for architectural and HVAC applications. Designed for general air distribution and VAV systems, its 25mm slot width includes adjustable blades for 180° airflow control. Compared to our 19mm models, it delivers up to 14% higher airflow while reducing static pressure by 18%—improving efficiency without compromising duct performance. For detailed metrics on flow rate, noise, and static pressure (key for system compatibility), refer to our lab-tested data. See our smoke test video to observe its air dispersion performance. \u003cstrong\u003eProfessional installation is recommended.\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSleek, Modern Profile:\u003c\/strong\u003e Designed with a crisp 36\" x 2\" nominal size and a defined 1\" (25mm) opening for a minimalist aesthetic. (\u003cem\u003eDetailed dimensions are in the diagram\u003c\/em\u003e).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngineered for High-Capacity Airflow:\u003c\/strong\u003e Features a wider slot opening, a significant increase over the standard 19mm size. This design allows for a greater volume of air to pass through efficiently, making it ideal for high-demand commercial HVAC systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eKeep Ceilings Clean:\u003c\/strong\u003e Integrated sealing prevents escaped air, which stops ugly dust marks from forming on your ceiling and directs air efficiently.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt for Professional Use:\u003c\/strong\u003e Constructed with heavy-gauge \u003ca rel=\"noopener\" title=\"Why 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/why-6063-t5-aluminum-is-great-for-linear-slot-diffuser-vent-covers\" target=\"_blank\"\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e6063-T5 aluminum\u003c\/span\u003e\u003c\/a\u003e, fortified Tig welds, and a chip-resistant powder coat for unwavering reliability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable White Matte Finish:\u003c\/strong\u003e Renowned for its toughness, this matte white powder coat provides exceptional protection from scratches, resists corrosion, and maintains its color without fading.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStreamlined, Invisible Install:\u003c\/strong\u003e Enjoy a flawless finish with no visible screws; mounting is handled discreetly on the interior edges. (Hardware not included).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustomizable HVAC Integration:\u003c\/strong\u003e For ideal performance, combine with a \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" title=\"Custom Plenum Box - Built to your specifications by Flo-Matrix HVAC\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/custom-hvac-plenums\" target=\"_blank\"\u003ematching plenum box\u003c\/a\u003e\u003c\/span\u003e (sold separately) designed for your specific needs. \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" title=\"Custom plenum video introduction.\" href=\"https:\/\/youtu.be\/gqC7IVD_kbY?si=1LF7UVkcdi3Q07_p\" target=\"_blank\"\u003eWatch our intro video\u003c\/a\u003e\u003c\/span\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShips worldwide from our Vancouver, Canada facility. Local pickup is also available at our showroom.\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg alt=\"Full dimensions of a white 36 inch 1-slot linear diffuser with 25mm openings for high airflow in commercial HVAC systems\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-high-flow-36-inch-1-slot-white-fulldimensions-flomatrix-hvac.jpg?v=1745813391\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eNeed custom sizes?\u003cstrong\u003e \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/pages\/linear-slot-diffuser-quote-request\" title=\"Request a Quote for Linear Slot Diffusers\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eRequest a quote for custom linear slot diffusers and plenums\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e to get pricing, lead times, and support for your project.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Linear_Slot_Diffuser_white_single_slot_high_airflow_installed_photo.jpg?v=1780425749\" alt=\"White linear slot diffuser installed on kitchen ceiling, single-slot high-airflow HVAC vent cover with sleek modern design for residential and commercial air distribution.\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003ePerformance\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ctable style=\"width: 500px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003ctd style=\"width: 204.035px; height: 19px;\"\u003e\u003cb\u003e\u003cspan\u003ePerformance Data\u003c\/span\u003e\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; height: 19px;\"\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 157px; height: 19px;\"\u003e\u003cb\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/b\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 40px;\"\u003e\n\u003ctd style=\"width: 204.035px; text-align: center; height: 40px;\"\u003e\n\u003cp\u003e\u003cem\u003eFlow Rate\u003c\/em\u003e\u003cem\u003e\u003cspan\u003e \u003c\/span\u003e(CFM)\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; text-align: center; height: 40px;\"\u003e\u003cem\u003e Static Pressure (in.wg)\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 157px; text-align: center; height: 40px;\"\u003e\u003cem\u003eNoise Level (NC)\u003c\/em\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 59.3578px;\"\u003e\n\u003ctd style=\"width: 204.035px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e131\u003cbr\u003e206\u003cbr\u003e273\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e0.09\u003cbr\u003e0.21\u003cbr\u003e0.37\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 157px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e20\u003cbr\u003e30\u003cbr\u003e40\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e  * Flow rate (CFM) and static pressure (in.wg) are interrelated. It is crucial to know your HVAC system total or static pressure when choosing the proper GRD for optimal performance.\u003c\/p\u003e\n\u003cp\u003e* Performance data independently verified by a globally recognized third-party testing facility. Tested to ADC1062:GRD-84 and ASHRAE 70-2006 standards. CFD and modern testing ensure optimal performance and energy efficiency. For complete performance data, please \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Contact Flo-Matrix HVAC\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" target=\"_blank\"\u003econtact us\u003c\/a\u003e\u003c\/span\u003e.\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003ca rel=\"noopener\" title=\"High Resolution of Comparison Table (FWASD19-1 VS. FWASD25-1)\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/fwasd19-1-vs-fwasd25-1-linear-slot-diffuser-comparison-commercial-hvac.jpg?v=1780706496\" target=\"_blank\"\u003e\u003cimg style=\"margin-bottom: 16px; float: none;\" alt=\"Commercial HVAC linear slot diffuser comparison between FWASD19-1 and FWASD25-1 featuring 3\/4 inch and 1 inch slot widths, airflow efficiency improvements, reduced pressure loss, quieter operation, showroom demonstration availability, and applications for commercial buildings and custom residential homes.\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/fwasd19-1-vs-fwasd25-1-linear-slot-diffuser-comparison-commercial-hvac.jpg?v=1780706496\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" alt=\"Flo-Matrix HVAC vent cover with built-in weather foam strip compared to standard vent covers without foam gasket, showing improved air seal, reduced dust streaks, cleaner ceilings, better airflow efficiency, and lower maintenance requirements for residential and commercial HVAC applications.\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781729213\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\" title=\"High Resolution of Professional HVAC Diffusers vs Mass Produced Diffusers | Quality Comparison Guide\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg style=\"margin-bottom: 16px; float: none;\" alt=\"Flo-Matrix HVAC professional-grade linear slot diffusers and air grilles compared to mass-produced generic store diffusers, highlighting T5 aluminum construction, superior airflow performance, expert technical support, custom manufacturing options, commercial project experience, showroom availability, and long-term HVAC performance benefits.\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eSubmittal\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser_high_flow_-1-slot-installation-submittal-flomatrix-hvac.pdf?v=1750360336\" title=\"Linear Slot Diffuser (high flow, one slot) Submittal Sheet High Resolution PDF Download\" rel=\"noopener\" target=\"_blank\"\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003eClick here to download a high resolution of this submittal sheet\u003c\/span\u003e\u003c\/strong\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\n\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/FWASD25-1_FLO_SUBMITTAL_240423-images-1.jpg?v=1714191210\"\u003e\u003cimg alt=\"Linear Slot Diffuser high flow 1-slot submittal\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-high-flow-1-slot-submittal-flomatrix-hvac.jpg?v=1745813391\"\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg alt=\"Linear Slot Diffuser high flow 1-slot installation submittal\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-1-slot-installation-submittal-flomatrix-hvac.jpg?v=1745813391\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eResources\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca rel=\"noopener noreferrer\" title=\"19mm vs. 25mm Linear Slot Diffusers: A Quick Guide for HVAC Pros \u0026amp; Homeowners\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/19mm-vs-25mm-linear-slot-diffusers-a-quick-guide-for-hvac-pros-homeowners\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eOur Guide to 19mm VS. 25mm Slot Width Differences\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003ca rel=\"noopener\" title=\"Linear Slot Diffusers: The Smart Choice for Modern HVAC Systems\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/linear-slot-diffusers-smart-choice-for-modern-hvac-systems\" target=\"_blank\"\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003eLinear Slot Diffusers: The Smart Choice for Modern HVAC Systems\u003c\/span\u003e\u003c\/a\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" title=\"Why 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/why-6063-t5-aluminum-is-great-for-linear-slot-diffuser-vent-covers\" target=\"_blank\"\u003eWhy 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca rel=\"noopener noreferrer\" title=\"CFD Airflow Analysis Services for Smarter HVAC Design\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/cfd-airflow-analysis-hvac-design\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eCFD Airflow Analysis Services for Smarter HVAC Design\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eThe Hallmarks of a True Commercial-Grade Grille, Register, or Diffuser\u003c\/h4\u003e\n\u003cp\u003eFor architects and engineers, \"commercial grade\" signifies a product backed by robust technical documentation that enables accurate system design. This essential data encompasses the full material specification and verified performance metrics, including detailed acoustical data (NC levels), pressure drop, and airflow rates.\u003c\/p\u003e\n\u003cp\u003eOur commitment to this standard is verified through rigorous independent testing per ADC1062:GRD-84 and ASHRAE 70-2006. Furthermore, we employ advanced computational fluid dynamics (CFD) in our design process to enhance energy efficiency and optimize air dispersion performance.\u003c\/p\u003e\n\u003cp\u003eWith a legacy dating back to 1997, we have built our reputation on manufacturing premium linear slot diffusers (1-12 slot configurations) for demanding commercial environments. For assistance with your specific project requirements, \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" title=\"Contact US Form\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003ereach out to our product experts\u003c\/a\u003e\u003c\/span\u003e at +1-604-437-1527.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eVideos\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eShowcase Video of Product - 1 Slot Linear Diffuser\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/7_HLSGJ1dE4?si=EY4zvH8u9dC4YY6Y\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eDemonstration of airflow direction adjustment - 1 Slot Linear Diffuser\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/1Ugg_bT9wDY?si=EHqofWnvuq2Knfv8\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eHow to insert a linear slot diffuser into a plenum\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/HFvCaQcs1rE?si=nYvC4-UoWcE1fsiu\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eLinear Slot Diffuser Smoke Test (Vertical Throw) Video - 1 Slot\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/wzy7QBMM3n0\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eLinear Slot Diffuser Smoke Test (Horizontal Throw) Video - 1 Slot\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/nMeJOL_9g-M\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eVideos of previous custom plenums\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/5kEmsTcA2uE?si=SBMMXiQkfyDlC7Ob\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/gqC7IVD_kbY?si=araziY9knWlseHoy\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eOur retail store showroom - Greater Vancouver, Canada\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/YeWxWnvc0pw?si=qV2UAJzkCEX6TARr\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"Linear Air Diffusers","offers":[{"title":"Default Title","offer_id":41738300555427,"sku":"FWASD25-1\/81W\/942L\/PCWS02","price":63.78,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-high-flow-36-inch-1-slot-white-frontview-flomatrix-hvac_0d73b5b9-5141-496f-9603-02208b710911.png?v=1745814242"},{"product_id":"34-linear-slot-diffuser-1-slot-with-25mm-slot-opening-hvac-vent-cover-matte-white-finish-wasd25-1","title":"34\" Linear Slot Diffuser Vent Cover (1 Slot with 25mm Opening) - Matte White - FLO-MATRIX HVAC","description":"\u003ch5\u003e\u003cspan\u003eDetails\u003c\/span\u003e\u003c\/h5\u003e\n\u003cdiv\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv\u003eThis 34\" linear slot diffuser features a clean white finish, crafted from durable extruded aluminum for architectural and HVAC applications. Designed for general air distribution and VAV systems, its 25mm slot width includes adjustable blades for 180° airflow control. Compared to our 19mm models, it delivers up to 14% higher airflow while reducing static pressure by 18%—improving efficiency without compromising duct performance. For detailed metrics on flow rate, noise, and static pressure (key for system compatibility), refer to our lab-tested data. See our smoke test video to observe its air dispersion performance. \u003cstrong\u003eProfessional installation is recommended.\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSleek, Modern Profile:\u003c\/strong\u003e Designed with a crisp 34\" x 2\" nominal size and a defined 1\" (25mm) opening for a minimalist aesthetic. (\u003cem\u003eDetailed dimensions are in the diagram\u003c\/em\u003e).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngineered for High-Capacity Airflow:\u003c\/strong\u003e Features a wider slot opening, a significant increase over the standard 19mm size. This design allows for a greater volume of air to pass through efficiently, making it ideal for high-demand commercial HVAC systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eKeep Ceilings Clean:\u003c\/strong\u003e Integrated sealing prevents escaped air, which stops ugly dust marks from forming on your ceiling and directs air efficiently.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt for Professional Use:\u003c\/strong\u003e Constructed with heavy-gauge \u003ca href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/why-6063-t5-aluminum-is-great-for-linear-slot-diffuser-vent-covers\" title=\"Why 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\" rel=\"noopener\" target=\"_blank\"\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e6063-T5 aluminum\u003c\/span\u003e\u003c\/a\u003e, fortified Tig welds, and a chip-resistant powder coat for unwavering reliability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable White Matte Finish:\u003c\/strong\u003e Renowned for its toughness, this matte white powder coat provides exceptional protection from scratches, resists corrosion, and maintains its color without fading.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStreamlined, Invisible Install:\u003c\/strong\u003e Enjoy a flawless finish with no visible screws; mounting is handled discreetly on the interior edges. (Hardware not included).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustomizable HVAC Integration:\u003c\/strong\u003e For ideal performance, combine with a \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/pages\/custom-hvac-plenums\" title=\"Custom Plenum Box - Built to your specifications by Flo-Matrix HVAC\" rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003ematching plenum box\u003c\/a\u003e\u003c\/span\u003e (sold separately) designed for your specific needs. \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/youtu.be\/gqC7IVD_kbY?si=1LF7UVkcdi3Q07_p\" title=\"Custom plenum video introduction.\" rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eWatch our intro video\u003c\/a\u003e\u003c\/span\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShips worldwide from our Vancouver, Canada facility. Local pickup is also available at our showroom.\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eNeed custom sizes?\u003cstrong\u003e \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/pages\/linear-slot-diffuser-quote-request\" title=\"Request a Quote for Linear Slot Diffusers\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eRequest a quote for custom linear slot diffusers and plenums\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e to get pricing, lead times, and support for your project.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Linear_Slot_Diffuser_white_single_slot_high_airflow_installed_photo.jpg?v=1780425749\" alt=\"White linear slot diffuser installed on kitchen ceiling, single-slot high-airflow HVAC vent cover with sleek modern design for residential and commercial air distribution.\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003ePerformance\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ctable style=\"width: 500px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003ctd style=\"width: 204.035px; height: 19px;\"\u003e\u003cb\u003e\u003cspan\u003ePerformance Data\u003c\/span\u003e\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; height: 19px;\"\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 157px; height: 19px;\"\u003e\u003cb\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/b\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 40px;\"\u003e\n\u003ctd style=\"width: 204.035px; text-align: center; height: 40px;\"\u003e\n\u003cp\u003e\u003cem\u003eFlow Rate\u003c\/em\u003e\u003cem\u003e\u003cspan\u003e \u003c\/span\u003e(CFM)\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; text-align: center; height: 40px;\"\u003e\u003cem\u003e Static Pressure (in.wg)\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 157px; text-align: center; height: 40px;\"\u003e\u003cem\u003eNoise Level (NC)\u003c\/em\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 59.3578px;\"\u003e\n\u003ctd style=\"width: 204.035px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e123\u003cbr\u003e194\u003cbr\u003e258\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e0.09\u003cbr\u003e0.21\u003cbr\u003e0.37\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 157px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e20\u003cbr\u003e30\u003cbr\u003e40\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e  * Flow rate (CFM) and static pressure (in.wg) are interrelated. It is crucial to know your HVAC system total or static pressure when choosing the proper GRD for optimal performance.\u003c\/p\u003e\n\u003cp\u003e* Performance data independently verified by a globally recognized third-party testing facility. Tested to ADC1062:GRD-84 and ASHRAE 70-2006 standards. CFD and modern testing ensure optimal performance and energy efficiency. For complete performance data, please \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Contact Flo-Matrix HVAC\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" target=\"_blank\"\u003econtact us\u003c\/a\u003e\u003c\/span\u003e.\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003ca rel=\"noopener\" title=\"High Resolution of Comparison Table (FWASD19-1 VS. FWASD25-1)\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/fwasd19-1-vs-fwasd25-1-linear-slot-diffuser-comparison-commercial-hvac.jpg?v=1780706496\" target=\"_blank\"\u003e\u003cimg style=\"margin-bottom: 16px; float: none;\" alt=\"Commercial HVAC linear slot diffuser comparison between FWASD19-1 and FWASD25-1 featuring 3\/4 inch and 1 inch slot widths, airflow efficiency improvements, reduced pressure loss, quieter operation, showroom demonstration availability, and applications for commercial buildings and custom residential homes.\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/fwasd19-1-vs-fwasd25-1-linear-slot-diffuser-comparison-commercial-hvac.jpg?v=1780706496\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" alt=\"Flo-Matrix HVAC vent cover with built-in weather foam strip compared to standard vent covers without foam gasket, showing improved air seal, reduced dust streaks, cleaner ceilings, better airflow efficiency, and lower maintenance requirements for residential and commercial HVAC applications.\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781729213\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\" title=\"High Resolution of Professional HVAC Diffusers vs Mass Produced Diffusers | Quality Comparison Guide\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg style=\"margin-bottom: 16px; float: none;\" alt=\"Flo-Matrix HVAC professional-grade linear slot diffusers and air grilles compared to mass-produced generic store diffusers, highlighting T5 aluminum construction, superior airflow performance, expert technical support, custom manufacturing options, commercial project experience, showroom availability, and long-term HVAC performance benefits.\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003e\u003cbr\u003e\u003c\/h5\u003e\n\u003ch5\u003eSubmittal\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003ca rel=\"noopener\" title=\"Linear Slot Diffuser (high flow, one slot) Submittal Sheet High Resolution PDF Download\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser_high_flow_-1-slot-installation-submittal-flomatrix-hvac.pdf?v=1750360336\" target=\"_blank\"\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003eClick here to download a high resolution of this submittal sheet\u003c\/span\u003e\u003c\/strong\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\n\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/FWASD25-1_FLO_SUBMITTAL_240423-images-1.jpg?v=1714191210\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-high-flow-1-slot-submittal-flomatrix-hvac.jpg?v=1745812766\" alt=\"Linear Slot Diffuser high flow 1-slot submittal\"\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-1-slot-installation-submittal-flomatrix-hvac.jpg?v=1745812766\" alt=\"Linear Slot Diffuser high flow 1-slot installation submittal\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eResources\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Linear_Slot_Diffuser_Installation_Instructions_High_Resolution.pdf?v=1759781403\" title=\"Linear Slot Diffuser Installation Guide High Resolution Download\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eLinear Slot Diffuser Installation Guide Download\u003c\/a\u003e\u003ca rel=\"noopener noreferrer\" title=\"19mm vs. 25mm Linear Slot Diffusers: A Quick Guide for HVAC Pros \u0026amp; Homeowners\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/19mm-vs-25mm-linear-slot-diffusers-a-quick-guide-for-hvac-pros-homeowners\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca rel=\"noopener noreferrer\" title=\"19mm vs. 25mm Linear Slot Diffusers: A Quick Guide for HVAC Pros \u0026amp; Homeowners\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/19mm-vs-25mm-linear-slot-diffusers-a-quick-guide-for-hvac-pros-homeowners\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eOur Guide to 19mm VS. 25mm Slot Width Differences\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" title=\"Linear Slot Diffusers: The Smart Choice for Modern HVAC Systems\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/linear-slot-diffusers-smart-choice-for-modern-hvac-systems\" target=\"_blank\"\u003eLinear Slot Diffusers: The Smart Choice for Modern HVAC Systems\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" title=\"Why 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/why-6063-t5-aluminum-is-great-for-linear-slot-diffuser-vent-covers\" target=\"_blank\"\u003eWhy 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/linear-slot-diffuser-upgrade-retrofit-vs-new-construction\" title=\"Linear Slot Diffuser Upgrade: A Guide for Retrofit vs. New Construction\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eLinear Slot Diffuser: A Guide for Retrofit vs. New Construction\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca rel=\"noopener noreferrer\" title=\"CFD Airflow Analysis Services for Smarter HVAC Design\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/cfd-airflow-analysis-hvac-design\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eCFD Airflow Analysis Services for Smarter HVAC Design\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eThe Hallmarks of a True Commercial-Grade Grille, Register, or Diffuser\u003c\/h4\u003e\n\u003cp\u003eFor architects and engineers, \"commercial grade\" signifies a product backed by robust technical documentation that enables accurate system design. This essential data encompasses the full material specification and verified performance metrics, including detailed acoustical data (NC levels), pressure drop, and airflow rates.\u003c\/p\u003e\n\u003cp\u003eOur commitment to this standard is verified through rigorous independent testing per ADC1062:GRD-84 and ASHRAE 70-2006. Furthermore, we employ advanced computational fluid dynamics (CFD) in our design process to enhance energy efficiency and optimize air dispersion performance.\u003c\/p\u003e\n\u003cp\u003eWith a legacy dating back to 1997, we have built our reputation on manufacturing premium linear slot diffusers (1-12 slot configurations) for demanding commercial environments. For assistance with your specific project requirements, \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca style=\"color: rgb(37, 150, 190);\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" title=\"Contact US Form\" rel=\"noopener\" target=\"_blank\"\u003ereach out to our product experts\u003c\/a\u003e\u003c\/span\u003e at +1-604-437-1527.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eVideos\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eShowcase Video of Product - 1 Slot Linear Diffuser\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/7_HLSGJ1dE4?si=EY4zvH8u9dC4YY6Y\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eDemonstration of airflow direction adjustment - 1 Slot Linear Diffuser\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/1Ugg_bT9wDY?si=EHqofWnvuq2Knfv8\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eHow to insert a linear slot diffuser into a plenum\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/HFvCaQcs1rE?si=nYvC4-UoWcE1fsiu\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eLinear Slot Diffuser Smoke Test (Vertical Throw) Video - 1 Slot\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/wzy7QBMM3n0\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eLinear Slot Diffuser Smoke Test (Horizontal Throw) Video - 1 Slot\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/nMeJOL_9g-M\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eVideos of previous custom plenums\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/5kEmsTcA2uE?si=SBMMXiQkfyDlC7Ob\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/gqC7IVD_kbY?si=araziY9knWlseHoy\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eOur retail store showroom - Greater Vancouver, Canada\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/YeWxWnvc0pw?si=qV2UAJzkCEX6TARr\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"Linear Air Diffusers","offers":[{"title":"Default Title","offer_id":41738306257059,"sku":"FWASD25-1\/81W\/896L\/PCWS02","price":61.85,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-high-flow-34-inch-1-slot-white-frontview-flomatrix-hvac.png?v=1745814314"},{"product_id":"48-linear-1-slot-diffuser-high-flow-hvac-vent-cover-anodized-silver","title":"48\" Linear Slot Diffuser Vent Cover  (1 Slot with 25mm Opening) - Anodized Satin Silver - FLO-MATRIX HVAC","description":"\u003ch5\u003e\u003cspan\u003eDetails\u003c\/span\u003e\u003c\/h5\u003e\n\u003cdiv\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv\u003eThis 48\" linear slot diffuser features an anodized finish and is built for durability with solid extruded aluminum, making it ideal for HVAC and architectural projects. Perfect for general air distribution and VAV systems, its 25mm slot width with adjustable blades allows a 180° airflow pattern, boosting airflow by up to 14% compared to our 19mm models while reducing static pressure by 18%. This ensures better efficiency without straining duct pressure. For performance details on flow rate, noise, and static pressure—all critical for HVAC compatibility—review our lab data in the performance section. Check our smoke test video to see airflow performance in action. \u003cstrong\u003eProfessional installation is recommended.\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSleek, Modern Profile:\u003c\/strong\u003e Designed with a crisp 48\" x 2\" nominal size and a defined 1\" (25mm) opening for a minimalist aesthetic. (\u003cem\u003eDetailed dimensions are in the diagram\u003c\/em\u003e).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngineered for High-Capacity Airflow:\u003c\/strong\u003e Features a wider slot opening, a significant increase over the standard 19mm size. This design allows for a greater volume of air to pass through efficiently, making it ideal for high-demand commercial HVAC systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eKeep Ceilings Clean:\u003c\/strong\u003e Integrated sealing prevents escaped air, which stops ugly dust marks from forming on your ceiling and directs air efficiently.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt for Professional Use:\u003c\/strong\u003e Constructed with heavy-gauge \u003ca href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/why-6063-t5-aluminum-is-great-for-linear-slot-diffuser-vent-covers\" title=\"Why 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\" rel=\"noopener\" target=\"_blank\"\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e6063-T5 aluminum\u003c\/span\u003e\u003c\/a\u003e, fortified Tig welds, and a chip-resistant powder coat for unwavering reliability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003e\u003cstrong\u003eFinish:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eClear Satin Anodized (a perfect canvas for a DIY spray paint job or installed as is)\u003c\/span\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStreamlined, Invisible Install:\u003c\/strong\u003e Enjoy a flawless finish with no visible screws; mounting is handled discreetly on the interior edges. (Hardware not included).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustomizable HVAC Integration:\u003c\/strong\u003e For ideal performance, combine with a \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/pages\/custom-hvac-plenums\" title=\"Custom Plenum Box - Built to your specifications by Flo-Matrix HVAC\" rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003ematching plenum box\u003c\/a\u003e\u003c\/span\u003e (sold separately) designed for your specific needs. \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/youtu.be\/gqC7IVD_kbY?si=1LF7UVkcdi3Q07_p\" title=\"Custom plenum video introduction.\" rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eWatch our intro video\u003c\/a\u003e\u003c\/span\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShips worldwide from our Vancouver, Canada facility. Local pickup is also available at our showroom.\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eNeed custom sizes?\u003cstrong\u003e \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/pages\/linear-slot-diffuser-quote-request\" title=\"Request a Quote for Linear Slot Diffusers\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eRequest a quote for custom linear slot diffusers and plenums\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e to get pricing, lead times, and support for your project.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Linear_Slot_Diffuser_anodized_finish_installed_photo.jpg?v=1780427468\" alt=\"Modern anodized aluminum linear slot diffuser ceiling installation, sleek HVAC air distribution vent with corrosion-resistant finish and minimalist design.\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003ePerformance\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ctable style=\"width: 500px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003ctd style=\"width: 204.035px; height: 19px;\"\u003e\u003cb\u003e\u003cspan\u003ePerformance Data\u003c\/span\u003e\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; height: 19px;\"\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 157px; height: 19px;\"\u003e\u003cb\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/b\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 40px;\"\u003e\n\u003ctd style=\"width: 204.035px; text-align: center; height: 40px;\"\u003e\n\u003cp\u003e\u003cem\u003eFlow Rate\u003c\/em\u003e\u003cem\u003e\u003cspan\u003e \u003c\/span\u003e(CFM)\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; text-align: center; height: 40px;\"\u003e\u003cem\u003e Static Pressure (in.wg)\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 157px; text-align: center; height: 40px;\"\u003e\u003cem\u003eNoise Level (NC)\u003c\/em\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 59.3578px;\"\u003e\n\u003ctd style=\"width: 204.035px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e175\u003cbr\u003e275\u003cbr\u003e365\u003cbr\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e0.09\u003cbr\u003e0.21\u003cbr\u003e0.37\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 157px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e20\u003cbr\u003e30\u003cbr\u003e40\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e  * Flow rate (CFM) and static pressure (in.wg) are interrelated. It is crucial to know your HVAC system total or static pressure when choosing the proper GRD for optimal performance.\u003c\/p\u003e\n\u003cp\u003e* Performance data independently verified by a globally recognized third-party testing facility. Tested to ADC1062:GRD-84 and ASHRAE 70-2006 standards. CFD and modern testing ensure optimal performance and energy efficiency. For complete performance data, please \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Contact Flo-Matrix HVAC\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" target=\"_blank\"\u003econtact us\u003c\/a\u003e\u003c\/span\u003e.\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003ca rel=\"noopener\" title=\"High Resolution of Comparison Table (FWASD19-1 VS. FWASD25-1)\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/fwasd19-1-vs-fwasd25-1-linear-slot-diffuser-comparison-commercial-hvac.jpg?v=1780706496\" target=\"_blank\"\u003e\u003cimg style=\"margin-bottom: 16px; float: none;\" alt=\"Commercial HVAC linear slot diffuser comparison between FWASD19-1 and FWASD25-1 featuring 3\/4 inch and 1 inch slot widths, airflow efficiency improvements, reduced pressure loss, quieter operation, showroom demonstration availability, and applications for commercial buildings and custom residential homes.\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/fwasd19-1-vs-fwasd25-1-linear-slot-diffuser-comparison-commercial-hvac.jpg?v=1780706496\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" alt=\"Flo-Matrix HVAC vent cover with built-in weather foam strip compared to standard vent covers without foam gasket, showing improved air seal, reduced dust streaks, cleaner ceilings, better airflow efficiency, and lower maintenance requirements for residential and commercial HVAC applications.\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781729213\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\" title=\"High Resolution of Professional HVAC Diffusers vs Mass Produced Diffusers | Quality Comparison Guide\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg style=\"margin-bottom: 16px; float: none;\" alt=\"Flo-Matrix HVAC professional-grade linear slot diffusers and air grilles compared to mass-produced generic store diffusers, highlighting T5 aluminum construction, superior airflow performance, expert technical support, custom manufacturing options, commercial project experience, showroom availability, and long-term HVAC performance benefits.\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eSubmittal\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003ca rel=\"noopener\" title=\"Linear Slot Diffuser (high flow, one slot) Submittal Sheet High Resolution PDF Download\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser_high_flow_-1-slot-installation-submittal-flomatrix-hvac.pdf?v=1750360336\" target=\"_blank\"\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003eClick here to download a high resolution of this submittal sheet\u003c\/span\u003e\u003c\/strong\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\n\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/FWASD25-1_FLO_SUBMITTAL_240423-images-1.jpg?v=1714191210\"\u003e\u003cimg alt=\"Linear Slot Diffuser high flow 1-slot submittal\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-high-flow-1-slot-submittal-flomatrix-hvac.jpg?v=1746654431\"\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg alt=\"Linear Slot Diffuser high flow 1-slot installation submittal\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-1-slot-installation-submittal-flomatrix-hvac.jpg?v=1746654431\"\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eResources\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Linear_Slot_Diffuser_Installation_Instructions_High_Resolution.pdf?v=1759781403\" title=\"Linear Slot Diffuser Installation Guide High Resolution Download\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eLinear Slot Diffuser Installation Guide Download\u003c\/a\u003e\u003ca rel=\"noopener noreferrer\" title=\"19mm vs. 25mm Linear Slot Diffusers: A Quick Guide for HVAC Pros \u0026amp; Homeowners\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/19mm-vs-25mm-linear-slot-diffusers-a-quick-guide-for-hvac-pros-homeowners\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca rel=\"noopener noreferrer\" title=\"19mm vs. 25mm Linear Slot Diffusers: A Quick Guide for HVAC Pros \u0026amp; Homeowners\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/19mm-vs-25mm-linear-slot-diffusers-a-quick-guide-for-hvac-pros-homeowners\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eOur Guide to 19mm VS. 25mm Slot Width Differences\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" title=\"Linear Slot Diffusers: The Smart Choice for Modern HVAC Systems\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/linear-slot-diffusers-smart-choice-for-modern-hvac-systems\" target=\"_blank\"\u003eLinear Slot Diffusers: The Smart Choice for Modern HVAC Systems\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" title=\"Why 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/why-6063-t5-aluminum-is-great-for-linear-slot-diffuser-vent-covers\" target=\"_blank\"\u003eWhy 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/linear-slot-diffuser-upgrade-retrofit-vs-new-construction\" title=\"Linear Slot Diffuser Upgrade: A Guide for Retrofit vs. New Construction\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eLinear Slot Diffuser: A Guide for Retrofit vs. New Construction\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca rel=\"noopener noreferrer\" title=\"CFD Airflow Analysis Services for Smarter HVAC Design\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/cfd-airflow-analysis-hvac-design\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eCFD Airflow Analysis Services for Smarter HVAC Design\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eThe Hallmarks of a True Commercial-Grade Grille, Register, or Diffuser\u003c\/h4\u003e\n\u003cp\u003eFor architects and engineers, \"commercial grade\" signifies a product backed by robust technical documentation that enables accurate system design. This essential data encompasses the full material specification and verified performance metrics, including detailed acoustical data (NC levels), pressure drop, and airflow rates.\u003c\/p\u003e\n\u003cp\u003eOur commitment to this standard is verified through rigorous independent testing per ADC1062:GRD-84 and ASHRAE 70-2006. Furthermore, we employ advanced computational fluid dynamics (CFD) in our design process to enhance energy efficiency and optimize air dispersion performance.\u003c\/p\u003e\n\u003cp\u003eWith a legacy dating back to 1997, we have built our reputation on manufacturing premium linear slot diffusers (1-12 slot configurations) for demanding commercial environments. For assistance with your specific project requirements, \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca style=\"color: rgb(37, 150, 190);\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" title=\"Contact US Form\" rel=\"noopener\" target=\"_blank\"\u003ereach out to our product experts\u003c\/a\u003e\u003c\/span\u003e at +1-604-437-1527.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eVideos\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eShowcase Video of Product - 1 Slot Linear Diffuser\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/7_HLSGJ1dE4?si=EY4zvH8u9dC4YY6Y\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eDemonstration of airflow direction adjustment - 1 Slot Linear Diffuser\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/1Ugg_bT9wDY?si=EHqofWnvuq2Knfv8\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eHow to insert a linear slot diffuser into a plenum\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/HFvCaQcs1rE?si=nYvC4-UoWcE1fsiu\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eLinear Slot Diffuser Smoke Test (Vertical Throw) Video - 1 Slot\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/wzy7QBMM3n0\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eLinear Slot Diffuser Smoke Test (Horizontal Throw) Video - 1 Slot\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/nMeJOL_9g-M\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eVideos of previous custom plenums\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/5kEmsTcA2uE?si=SBMMXiQkfyDlC7Ob\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/gqC7IVD_kbY?si=araziY9knWlseHoy\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eOur retail store showroom - Greater Vancouver, Canada\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/YeWxWnvc0pw?si=qV2UAJzkCEX6TARr\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"Linear Air Diffusers","offers":[{"title":"Default Title","offer_id":41738323919011,"sku":"FWASD25-1\/81W\/1251L\/007","price":84.41,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-high-flow-48-inch-1-slot-anodized-front-flomatrix-hvac.png?v=1757104197"},{"product_id":"48-linear-slot-diffuser-1-slot-with-25mm-slot-opening-hvac-vent-cover-matte-black-finish-wasd25-1","title":"48\" Linear Slot Diffuser Vent Cover (1 Slot with 25mm Opening) - Matte Black - FLO-MATRIX HVAC","description":"\u003ch5\u003e\u003cspan\u003eDetails\u003c\/span\u003e\u003c\/h5\u003e\n\u003cdiv\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv\u003eThis 48\" linear slot diffuser features a sleek matte black finish and is built for durability with solid extruded aluminum, making it ideal for HVAC and architectural projects. Perfect for general air distribution and VAV systems, its 25mm slot width with adjustable blades allows a 180° airflow pattern, boosting airflow by up to 14% compared to our 19mm models while reducing static pressure by 18%. This ensures better efficiency without straining duct pressure. For performance details on flow rate, noise, and static pressure—all critical for HVAC compatibility—review our lab data in the performance section. Check our smoke test video to see airflow performance in action. \u003cstrong\u003eProfessional installation is recommended.\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSleek, Modern Profile:\u003c\/strong\u003e Designed with a crisp 48\" x 2\" nominal size and a defined 1\" (25mm) opening for a minimalist aesthetic. (\u003cem\u003eDetailed dimensions are in the diagram\u003c\/em\u003e).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngineered for High-Capacity Airflow:\u003c\/strong\u003e Features a wider slot opening, a significant increase over the standard 19mm size. This design allows for a greater volume of air to pass through efficiently, making it ideal for high-demand commercial HVAC systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eKeep Ceilings Clean:\u003c\/strong\u003e Integrated sealing prevents escaped air, which stops ugly dust marks from forming on your ceiling and directs air efficiently.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt for Professional Use:\u003c\/strong\u003e Constructed with heavy-gauge \u003ca href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/why-6063-t5-aluminum-is-great-for-linear-slot-diffuser-vent-covers\" title=\"Why 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\" rel=\"noopener\" target=\"_blank\"\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e6063-T5 aluminum\u003c\/span\u003e\u003c\/a\u003e, fortified Tig welds, and a chip-resistant powder coat for unwavering reliability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSophisticated Matte Black:\u003c\/strong\u003e Finished in a premium matte black powder coat that is as durable as it is stylish, offering superior protection against wear.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStreamlined, Invisible Install:\u003c\/strong\u003e Enjoy a flawless finish with no visible screws; mounting is handled discreetly on the interior edges. (Hardware not included).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustomizable HVAC Integration:\u003c\/strong\u003e For ideal performance, combine with a \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/pages\/custom-hvac-plenums\" title=\"Custom Plenum Box - Built to your specifications by Flo-Matrix HVAC\" rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003ematching plenum box\u003c\/a\u003e\u003c\/span\u003e (sold separately) designed for your specific needs. \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/youtu.be\/gqC7IVD_kbY?si=1LF7UVkcdi3Q07_p\" title=\"Custom plenum video introduction.\" rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eWatch our intro video\u003c\/a\u003e\u003c\/span\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShips worldwide from our Vancouver, Canada facility. Local pickup is also available at our showroom.\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-high-flow-48-inch-1-slot-black-fulldimensions-flomatrix-hvac.jpg?v=1744930972\" alt=\"Full dimensions of a black 48-inch 1-slot linear diffuser with 25mm openings for high airflow in commercial HVAC systems\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eNeed custom sizes?\u003cstrong\u003e \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/pages\/linear-slot-diffuser-quote-request\" title=\"Request a Quote for Linear Slot Diffusers\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eRequest a quote for custom linear slot diffusers and plenums\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e to get pricing, lead times, and support for your project.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Linear_Slot_Diffuser_black-single_high_airflow_installed_photo.jpg?v=1780422000\" alt=\"Black linear slot diffuser air vent cover installed on bedroom wall, single-slot high-airflow HVAC diffuser with modern minimalist design for residential and commercial ventilation systems.\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003ePerformance\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ctable style=\"width: 500px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003ctd style=\"width: 204.035px; height: 19px;\"\u003e\u003cb\u003e\u003cspan\u003ePerformance Data\u003c\/span\u003e\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; height: 19px;\"\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 157px; height: 19px;\"\u003e\u003cb\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/b\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 40px;\"\u003e\n\u003ctd style=\"width: 204.035px; text-align: center; height: 40px;\"\u003e\n\u003cp\u003e\u003cem\u003eFlow Rate\u003c\/em\u003e\u003cem\u003e\u003cspan\u003e \u003c\/span\u003e(CFM)\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; text-align: center; height: 40px;\"\u003e\u003cem\u003e Static Pressure (in.wg)\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 157px; text-align: center; height: 40px;\"\u003e\u003cem\u003eNoise Level (NC)\u003c\/em\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 59.3578px;\"\u003e\n\u003ctd style=\"width: 204.035px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e175\u003cbr\u003e275\u003cbr\u003e365\u003cbr\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e0.09\u003cbr\u003e0.21\u003cbr\u003e0.37\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 157px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e20\u003cbr\u003e30\u003cbr\u003e40\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e  * Flow rate (CFM) and static pressure (in.wg) are interrelated. It is crucial to know your HVAC system total or static pressure when choosing the proper GRD for optimal performance.\u003c\/p\u003e\n\u003cp\u003e* Performance data independently verified by a globally recognized third-party testing facility. Tested to ADC1062:GRD-84 and ASHRAE 70-2006 standards. CFD and modern testing ensure optimal performance and energy efficiency. For complete performance data, please \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Contact Flo-Matrix HVAC\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" target=\"_blank\"\u003econtact us\u003c\/a\u003e\u003c\/span\u003e.\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003ca rel=\"noopener\" title=\"High Resolution of Comparison Table (FWASD19-1 VS. FWASD25-1)\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/fwasd19-1-vs-fwasd25-1-linear-slot-diffuser-comparison-commercial-hvac.jpg?v=1780706496\" target=\"_blank\"\u003e\u003cimg style=\"margin-bottom: 16px; float: none;\" alt=\"Commercial HVAC linear slot diffuser comparison between FWASD19-1 and FWASD25-1 featuring 3\/4 inch and 1 inch slot widths, airflow efficiency improvements, reduced pressure loss, quieter operation, showroom demonstration availability, and applications for commercial buildings and custom residential homes.\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/fwasd19-1-vs-fwasd25-1-linear-slot-diffuser-comparison-commercial-hvac.jpg?v=1780706496\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" alt=\"Flo-Matrix HVAC vent cover with built-in weather foam strip compared to standard vent covers without foam gasket, showing improved air seal, reduced dust streaks, cleaner ceilings, better airflow efficiency, and lower maintenance requirements for residential and commercial HVAC applications.\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781729213\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\" title=\"High Resolution of Professional HVAC Diffusers vs Mass Produced Diffusers | Quality Comparison Guide\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg style=\"margin-bottom: 16px; float: none;\" alt=\"Flo-Matrix HVAC professional-grade linear slot diffusers and air grilles compared to mass-produced generic store diffusers, highlighting T5 aluminum construction, superior airflow performance, expert technical support, custom manufacturing options, commercial project experience, showroom availability, and long-term HVAC performance benefits.\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eSubmittal\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003ca rel=\"noopener\" title=\"Linear Slot Diffuser (high flow, one slot) Submittal Sheet High Resolution PDF Download\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser_high_flow_-1-slot-installation-submittal-flomatrix-hvac.pdf?v=1750360336\" target=\"_blank\"\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003eClick here to download a high resolution of this submittal sheet\u003c\/span\u003e\u003c\/strong\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-high-flow-1-slot-submittal-flomatrix-hvac.jpg?v=1744930972\" alt=\"Linear Slot Diffuser high flow 1-slot submittal\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-1-slot-installation-submittal-flomatrix-hvac.jpg?v=1744930851\" alt=\"Linear Slot Diffuser high flow 1-slot installation submittal\"\u003e\u003c\/p\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eResources\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Linear_Slot_Diffuser_Installation_Instructions_High_Resolution.pdf?v=1759781403\" title=\"Linear Slot Diffuser Installation Guide High Resolution Download\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eLinear Slot Diffuser Installation Guide Download\u003c\/a\u003e\u003ca rel=\"noopener noreferrer\" title=\"19mm vs. 25mm Linear Slot Diffusers: A Quick Guide for HVAC Pros \u0026amp; Homeowners\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/19mm-vs-25mm-linear-slot-diffusers-a-quick-guide-for-hvac-pros-homeowners\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca rel=\"noopener noreferrer\" title=\"19mm vs. 25mm Linear Slot Diffusers: A Quick Guide for HVAC Pros \u0026amp; Homeowners\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/19mm-vs-25mm-linear-slot-diffusers-a-quick-guide-for-hvac-pros-homeowners\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eOur Guide to 19mm VS. 25mm Slot Width Differences\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" title=\"Linear Slot Diffusers: The Smart Choice for Modern HVAC Systems\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/linear-slot-diffusers-smart-choice-for-modern-hvac-systems\" target=\"_blank\"\u003eLinear Slot Diffusers: The Smart Choice for Modern HVAC Systems\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" title=\"Why 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/why-6063-t5-aluminum-is-great-for-linear-slot-diffuser-vent-covers\" target=\"_blank\"\u003eWhy 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/linear-slot-diffuser-upgrade-retrofit-vs-new-construction\" title=\"Linear Slot Diffuser Upgrade: A Guide for Retrofit vs. New Construction\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eLinear Slot Diffuser: A Guide for Retrofit vs. New Construction\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca rel=\"noopener noreferrer\" title=\"CFD Airflow Analysis Services for Smarter HVAC Design\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/cfd-airflow-analysis-hvac-design\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eCFD Airflow Analysis Services for Smarter HVAC Design\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eThe Hallmarks of a True Commercial-Grade Grille, Register, or Diffuser\u003c\/h4\u003e\n\u003cp\u003eFor architects and engineers, \"commercial grade\" signifies a product backed by robust technical documentation that enables accurate system design. This essential data encompasses the full material specification and verified performance metrics, including detailed acoustical data (NC levels), pressure drop, and airflow rates.\u003c\/p\u003e\n\u003cp\u003eOur commitment to this standard is verified through rigorous independent testing per ADC1062:GRD-84 and ASHRAE 70-2006. Furthermore, we employ advanced computational fluid dynamics (CFD) in our design process to enhance energy efficiency and optimize air dispersion performance.\u003c\/p\u003e\n\u003cp\u003eWith a legacy dating back to 1997, we have built our reputation on manufacturing premium linear slot diffusers (1-12 slot configurations) for demanding commercial environments. For assistance with your specific project requirements, \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca style=\"color: rgb(37, 150, 190);\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" title=\"Contact US Form\" rel=\"noopener\" target=\"_blank\"\u003ereach out to our product experts\u003c\/a\u003e\u003c\/span\u003e at +1-604-437-1527.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eVideos\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eShowcase Video of Product - 1 Slot Linear Diffuser\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/7_HLSGJ1dE4?si=EY4zvH8u9dC4YY6Y\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eDemonstration of airflow direction adjustment - 1 Slot Linear Diffuser\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/1Ugg_bT9wDY?si=EHqofWnvuq2Knfv8\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eHow to insert a linear slot diffuser into a plenum\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/HFvCaQcs1rE?si=nYvC4-UoWcE1fsiu\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eLinear Slot Diffuser Smoke Test (Vertical Throw) Video - 1 Slot\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/wzy7QBMM3n0\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eLinear Slot Diffuser Smoke Test (Horizontal Throw) Video - 1 Slot\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/nMeJOL_9g-M\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eVideos of previous custom plenums\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/5kEmsTcA2uE?si=SBMMXiQkfyDlC7Ob\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/gqC7IVD_kbY?si=araziY9knWlseHoy\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eOur retail store showroom - Greater Vancouver, Canada\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/YeWxWnvc0pw?si=qV2UAJzkCEX6TARr\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"Linear Air Diffusers","offers":[{"title":"Default Title","offer_id":41738366681251,"sku":"FWASD25-1\/81W\/1247L\/005","price":84.41,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-high-flow-48-inch-1-slot-black-frontview-flomatrix-hvac.jpg?v=1744930972"},{"product_id":"12-linear-slot-diffuser-1-slot-with-25mm-slot-opening-hvac-vent-cover-matte-black-finish-wasd25-1","title":"12\" Linear Slot Diffuser Vent Cover (1 Slot with 25mm Opening) - Matte Black - FLO-MATRIX HVAC","description":"\u003ch5\u003eDetails\u003c\/h5\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003eThis 12\" linear slot diffuser features a sleek matte black finish and is built for durability with solid extruded aluminum, making it ideal for HVAC and architectural projects. Perfect for general air distribution and VAV systems, its 25mm slot width with adjustable blades allows a 180° airflow pattern, boosting airflow by up to 14% compared to our 19mm models while reducing static pressure by 18%. This ensures better efficiency without straining duct pressure. For performance details on flow rate, noise, and static pressure—all critical for HVAC compatibility—review our lab data in the performance section. Check our smoke test video to see airflow performance in action. \u003cstrong\u003eProfessional installation is recommended.\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSleek, Modern Profile:\u003c\/strong\u003e Designed with a crisp 12\" x 2\" nominal size and a defined 1\" (25mm) opening for a minimalist aesthetic. (\u003cem\u003eDetailed dimensions are in the diagram\u003c\/em\u003e).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngineered for High-Capacity Airflow:\u003c\/strong\u003e Features a wider slot opening, a significant increase over the standard 19mm size. This design allows for a greater volume of air to pass through efficiently, making it ideal for high-demand commercial HVAC systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eKeep Ceilings Clean:\u003c\/strong\u003e Integrated sealing prevents escaped air, which stops ugly dust marks from forming on your ceiling and directs air efficiently.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt for Professional Use:\u003c\/strong\u003e Constructed with heavy-gauge \u003ca href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/why-6063-t5-aluminum-is-great-for-linear-slot-diffuser-vent-covers\" title=\"Why 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\" rel=\"noopener\" target=\"_blank\"\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e6063-T5 aluminum\u003c\/span\u003e\u003c\/a\u003e, fortified Tig welds, and a chip-resistant powder coat for unwavering reliability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSophisticated Matte Black:\u003c\/strong\u003e Finished in a premium matte black powder coat that is as durable as it is stylish, offering superior protection against wear.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStreamlined, Invisible Install:\u003c\/strong\u003e Enjoy a flawless finish with no visible screws; mounting is handled discreetly on the interior edges. (Hardware not included).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMatching Plenum:\u003c\/strong\u003e \u003cspan style=\"color: rgb(31, 33, 36);\"\u003ePair this linear slot diffuser with our \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/products\/12x2-plenum-fxp\" title=\"Matching Custom Linear Slot Diffuser Plenum (12x2)\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003ecustomizable 12x2 Plenums FXP Series\u003c\/a\u003e\u003c\/span\u003e (sold separately) to perfectly match your HVAC system's requirements. \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca style=\"color: rgb(37, 150, 190);\" href=\"https:\/\/youtu.be\/gqC7IVD_kbY?si=1LF7UVkcdi3Q07_p\" title=\"Video of our plenums for linear slot diffusers air vent covers.\" rel=\"noopener noreferrer\" target=\"_blank\"\u003eWatch our plenums intro video\u003c\/a\u003e\u003c\/span\u003e or click \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Custom Plenum Box - Built to your specifications by Flo-Matrix HVAC\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/custom-hvac-plenums\" target=\"_blank\"\u003ehere to learn more about our custom plenums\u003c\/a\u003e\u003c\/span\u003e.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShips worldwide from our Vancouver, Canada facility. Local pickup is also available at our showroom.\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg alt=\"Face dimensions of a black high flow 12-inch 1-slot linear diffuser with 19mm openings for precision airflow in commercial HVAC systems\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-high-flow-12-inch-1-slot-black-fulldimensions-flomatrix-hvac.jpg?v=1744845299\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eNeed custom sizes?\u003cstrong\u003e \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/pages\/linear-slot-diffuser-quote-request\" title=\"Request a Quote for Linear Slot Diffusers\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eRequest a quote for custom linear slot diffusers and plenums\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e to get pricing, lead times, and support for your project.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Linear_Slot_Diffuser_black-single_high_airflow_installed_photo.jpg?v=1780422000\" alt=\"Black linear slot diffuser air vent cover installed on bedroom wall, single-slot high-airflow HVAC diffuser with modern minimalist design for residential and commercial ventilation systems.\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003ePerformance\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ctable style=\"width: 500px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003ctd style=\"width: 204.035px; height: 19px;\"\u003e\u003cb\u003e\u003cspan\u003ePerformance Data\u003c\/span\u003e\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; height: 19px;\"\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 157px; height: 19px;\"\u003e\u003cb\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/b\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 40px;\"\u003e\n\u003ctd style=\"width: 204.035px; text-align: center; height: 40px;\"\u003e\n\u003cp\u003e\u003cem\u003eFlow Rate\u003c\/em\u003e\u003cem\u003e\u003cspan\u003e \u003c\/span\u003e(CFM)\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; text-align: center; height: 40px;\"\u003e\u003cem\u003e Static Pressure (in.wg)\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 157px; text-align: center; height: 40px;\"\u003e\u003cem\u003eNoise Level (NC)\u003c\/em\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 59.3578px;\"\u003e\n\u003ctd style=\"width: 204.035px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e43\u003cbr\u003e68\u003cbr\u003e91\u003cbr\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e0.09\u003cbr\u003e0.21\u003cbr\u003e0.37\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 157px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e20\u003cbr\u003e30\u003cbr\u003e40\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ctable width=\"100%\" style=\"height: 58.7812px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 58.7812px;\"\u003e\n\u003ctd style=\"height: 58.7812px;\"\u003e\n\u003cp\u003e  * Flow rate (CFM) and static pressure (in.wg) are interrelated. It is crucial to know your HVAC system total or static pressure when choosing the proper GRD for optimal performance.\u003c\/p\u003e\n\u003cp\u003e* Performance data independently verified by a globally recognized third-party testing facility. Tested to ADC1062:GRD-84 and ASHRAE 70-2006 standards. CFD and modern testing ensure optimal performance and energy efficiency. For complete performance data, please \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Contact Flo-Matrix HVAC\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" target=\"_blank\"\u003econtact us\u003c\/a\u003e\u003c\/span\u003e.\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003ca rel=\"noopener\" title=\"High Resolution of Comparison Table (FWASD19-1 VS. FWASD25-1)\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/fwasd19-1-vs-fwasd25-1-linear-slot-diffuser-comparison-commercial-hvac.jpg?v=1780706496\" target=\"_blank\"\u003e\u003cimg style=\"margin-bottom: 16px; float: none;\" alt=\"Commercial HVAC linear slot diffuser comparison between FWASD19-1 and FWASD25-1 featuring 3\/4 inch and 1 inch slot widths, airflow efficiency improvements, reduced pressure loss, quieter operation, showroom demonstration availability, and applications for commercial buildings and custom residential homes.\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/fwasd19-1-vs-fwasd25-1-linear-slot-diffuser-comparison-commercial-hvac.jpg?v=1780706496\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" alt=\"Flo-Matrix HVAC vent cover with built-in weather foam strip compared to standard vent covers without foam gasket, showing improved air seal, reduced dust streaks, cleaner ceilings, better airflow efficiency, and lower maintenance requirements for residential and commercial HVAC applications.\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781729213\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\" title=\"High Resolution of Professional HVAC Diffusers vs Mass Produced Diffusers | Quality Comparison Guide\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg style=\"margin-bottom: 16px; float: none;\" alt=\"Flo-Matrix HVAC professional-grade linear slot diffusers and air grilles compared to mass-produced generic store diffusers, highlighting T5 aluminum construction, superior airflow performance, expert technical support, custom manufacturing options, commercial project experience, showroom availability, and long-term HVAC performance benefits.\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eSubmittal\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003ca rel=\"noopener\" title=\"Linear Slot Diffuser (high flow, one slot) Submittal Sheet High Resolution PDF Download\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser_high_flow_-1-slot-installation-submittal-flomatrix-hvac.pdf?v=1750360336\" target=\"_blank\"\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003eClick here to download a high resolution of this submittal sheet\u003c\/span\u003e\u003c\/strong\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg alt=\"Linear Slot Diffuser high flow 1-slot submittal\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-high-flow-1-slot-submittal-flomatrix-hvac.jpg?v=1744845299\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg alt=\"Linear Slot Diffuser high flow 1-slot installation submittal\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-1-slot-installation-submittal-flomatrix-hvac.jpg?v=1744845299\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eResources\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Linear_Slot_Diffuser_Installation_Instructions_High_Resolution.pdf?v=1759781403\" title=\"Linear Slot Diffuser Installation Guide High Resolution Download\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eLinear Slot Diffuser Installation Guide Download\u003c\/a\u003e\u003ca rel=\"noopener noreferrer\" title=\"19mm vs. 25mm Linear Slot Diffusers: A Quick Guide for HVAC Pros \u0026amp; Homeowners\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/19mm-vs-25mm-linear-slot-diffusers-a-quick-guide-for-hvac-pros-homeowners\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca rel=\"noopener noreferrer\" title=\"19mm vs. 25mm Linear Slot Diffusers: A Quick Guide for HVAC Pros \u0026amp; Homeowners\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/19mm-vs-25mm-linear-slot-diffusers-a-quick-guide-for-hvac-pros-homeowners\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eOur Guide to 19mm VS. 25mm Slot Width Differences\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" title=\"Linear Slot Diffusers: The Smart Choice for Modern HVAC Systems\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/linear-slot-diffusers-smart-choice-for-modern-hvac-systems\" target=\"_blank\"\u003eLinear Slot Diffusers: The Smart Choice for Modern HVAC Systems\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" title=\"Why 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/why-6063-t5-aluminum-is-great-for-linear-slot-diffuser-vent-covers\" target=\"_blank\"\u003eWhy 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/linear-slot-diffuser-upgrade-retrofit-vs-new-construction\" title=\"Linear Slot Diffuser Upgrade: A Guide for Retrofit vs. New Construction\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eLinear Slot Diffuser: A Guide for Retrofit vs. New Construction\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca rel=\"noopener noreferrer\" title=\"CFD Airflow Analysis Services for Smarter HVAC Design\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/cfd-airflow-analysis-hvac-design\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eCFD Airflow Analysis Services for Smarter HVAC Design\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eThe Hallmarks of a True Commercial-Grade Grille, Register, or Diffuser\u003c\/h4\u003e\n\u003cp\u003eFor architects and engineers, \"commercial grade\" signifies a product backed by robust technical documentation that enables accurate system design. This essential data encompasses the full material specification and verified performance metrics, including detailed acoustical data (NC levels), pressure drop, and airflow rates.\u003c\/p\u003e\n\u003cp\u003eOur commitment to this standard is verified through rigorous independent testing per ADC1062:GRD-84 and ASHRAE 70-2006. Furthermore, we employ advanced computational fluid dynamics (CFD) in our design process to enhance energy efficiency and optimize air dispersion performance.\u003c\/p\u003e\n\u003cp\u003eWith a legacy dating back to 1997, we have built our reputation on manufacturing premium linear slot diffusers (1-12 slot configurations) for demanding commercial environments. For assistance with your specific project requirements, \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca style=\"color: rgb(37, 150, 190);\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" title=\"Contact US Form\" rel=\"noopener\" target=\"_blank\"\u003ereach out to our product experts\u003c\/a\u003e\u003c\/span\u003e at +1-604-437-1527.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eVideos\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eShowcase Video of Product - 1 Slot Linear Diffuser\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/7_HLSGJ1dE4?si=EY4zvH8u9dC4YY6Y\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eDemonstration of airflow direction adjustment - 1 Slot Linear Diffuser\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/1Ugg_bT9wDY?si=EHqofWnvuq2Knfv8\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eHow to insert a linear slot diffuser into a plenum\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/HFvCaQcs1rE?si=nYvC4-UoWcE1fsiu\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eLinear Slot Diffuser Smoke Test (Vertical Throw) Video - 1 Slot\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/wzy7QBMM3n0\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eLinear Slot Diffuser Smoke Test (Horizontal Throw) Video - 1 Slot\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/nMeJOL_9g-M\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eVideos of previous custom plenums\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/5kEmsTcA2uE?si=SBMMXiQkfyDlC7Ob\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/gqC7IVD_kbY?si=araziY9knWlseHoy\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eOur retail store showroom - Greater Vancouver, Canada\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/YeWxWnvc0pw?si=qV2UAJzkCEX6TARr\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"Linear Air Diffusers","offers":[{"title":"Default Title","offer_id":41738390175907,"sku":"FWASD25-1\/81W\/333L\/005","price":30.66,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-high-flow-12-inch-1-slot-black-frontview-flomatrix-hvac.jpg?v=1744845299"},{"product_id":"22-linear-slot-diffuser-1-slot-with-25mm-slot-opening-hvac-vent-cover-matte-black-finish-wasd25-1","title":"22\" Linear Slot Diffuser Vent Cover (1 Slot with 25mm Opening) - Matte Black - FLO-MATRIX HVAC","description":"\u003ch5\u003e\u003cspan\u003eDetails\u003c\/span\u003e\u003c\/h5\u003e\n\u003cdiv\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv\u003eThis 22\" linear slot diffuser features a sleek matte black finish and is built for durability with solid extruded aluminum, making it ideal for HVAC and architectural projects. Perfect for general air distribution and VAV systems, its 25mm slot width with adjustable blades allows a 180° airflow pattern, boosting airflow by up to 14% compared to our 19mm models while reducing static pressure by 18%. This ensures better efficiency without straining duct pressure. For performance details on flow rate, noise, and static pressure—all critical for HVAC compatibility—review our lab data in the performance section. Check our smoke test video to see airflow performance in action. \u003cstrong\u003eProfessional installation is recommended.\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSleek, Modern Profile:\u003c\/strong\u003e Designed with a crisp 22\" x 2\" nominal size and a defined 1\" (25mm) opening for a minimalist aesthetic. (\u003cem\u003eDetailed dimensions are in the diagram\u003c\/em\u003e).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngineered for High-Capacity Airflow:\u003c\/strong\u003e Features a wider slot opening, a significant increase over the standard 19mm size. This design allows for a greater volume of air to pass through efficiently, making it ideal for high-demand commercial HVAC systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eKeep Ceilings Clean:\u003c\/strong\u003e Integrated sealing prevents escaped air, which stops ugly dust marks from forming on your ceiling and directs air efficiently.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt for Professional Use:\u003c\/strong\u003e Constructed with heavy-gauge \u003ca rel=\"noopener\" title=\"Why 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/why-6063-t5-aluminum-is-great-for-linear-slot-diffuser-vent-covers\" target=\"_blank\"\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e6063-T5 aluminum\u003c\/span\u003e\u003c\/a\u003e, fortified Tig welds, and a chip-resistant powder coat for unwavering reliability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSophisticated Matte Black:\u003c\/strong\u003e Finished in a premium matte black powder coat that is as durable as it is stylish, offering superior protection against wear.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStreamlined, Invisible Install:\u003c\/strong\u003e Enjoy a flawless finish with no visible screws; mounting is handled discreetly on the interior edges. (Hardware not included).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMatching Plenum:\u003c\/strong\u003e \u003cspan style=\"color: rgb(31, 33, 36);\"\u003ePair this linear slot diffuser with our \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/products\/22x2-plenums-fxp\" title=\"Matching Custom Linear Slot Diffuser Plenum (22x2)\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003ecustomizable 22x2 Plenums FXP Series\u003c\/a\u003e\u003c\/span\u003e (sold separately) to perfectly match your HVAC system's requirements. \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca style=\"color: rgb(37, 150, 190);\" href=\"https:\/\/youtu.be\/gqC7IVD_kbY?si=1LF7UVkcdi3Q07_p\" title=\"Video of our plenums for linear slot diffusers air vent covers.\" rel=\"noopener noreferrer\" target=\"_blank\"\u003eWatch our plenums intro video\u003c\/a\u003e\u003c\/span\u003e or click \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Custom Plenum Box - Built to your specifications by Flo-Matrix HVAC\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/custom-hvac-plenums\" target=\"_blank\"\u003ehere to learn more about our custom plenums\u003c\/a\u003e\u003c\/span\u003e.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShips worldwide from our Vancouver, Canada facility. Local pickup is also available at our showroom.\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-high-flow-22-inch-1-slot-black-fulldimensions-flomatrix-hvac.jpg?v=1744927983\" alt=\"Full dimensions of a black 22-inch 1-slot linear diffuser with 25mm openings for high airflow in commercial HVAC systems\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eNeed custom sizes?\u003cstrong\u003e \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/pages\/linear-slot-diffuser-quote-request\" title=\"Request a Quote for Linear Slot Diffusers\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eRequest a quote for custom linear slot diffusers and plenums\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e to get pricing, lead times, and support for your project.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Linear_Slot_Diffuser_black-single_high_airflow_installed_photo.jpg?v=1780422000\" alt=\"Black linear slot diffuser air vent cover installed on bedroom wall, single-slot high-airflow HVAC diffuser with modern minimalist design for residential and commercial ventilation systems.\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003ePerformance\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ctable style=\"width: 500px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003ctd style=\"width: 204.035px; height: 19px;\"\u003e\u003cb\u003e\u003cspan\u003ePerformance Data\u003c\/span\u003e\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; height: 19px;\"\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 157px; height: 19px;\"\u003e\u003cb\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/b\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 40px;\"\u003e\n\u003ctd style=\"width: 204.035px; text-align: center; height: 40px;\"\u003e\n\u003cp\u003e\u003cem\u003eFlow Rate\u003c\/em\u003e\u003cem\u003e\u003cspan\u003e \u003c\/span\u003e(CFM)\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; text-align: center; height: 40px;\"\u003e\u003cem\u003e Static Pressure (in.wg)\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 157px; text-align: center; height: 40px;\"\u003e\u003cem\u003eNoise Level (NC)\u003c\/em\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 59.3578px;\"\u003e\n\u003ctd style=\"width: 204.035px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e80\u003cbr\u003e126\u003cbr\u003e167\u003cbr\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e0.09\u003cbr\u003e0.21\u003cbr\u003e0.37\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 157px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e20\u003cbr\u003e30\u003cbr\u003e40\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e  * Flow rate (CFM) and static pressure (in.wg) are interrelated. It is crucial to know your HVAC system total or static pressure when choosing the proper GRD for optimal performance.\u003c\/p\u003e\n\u003cp\u003e* Performance data independently verified by a globally recognized third-party testing facility. Tested to ADC1062:GRD-84 and ASHRAE 70-2006 standards. CFD and modern testing ensure optimal performance and energy efficiency. For complete performance data, please \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Contact Flo-Matrix HVAC\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" target=\"_blank\"\u003econtact us\u003c\/a\u003e\u003c\/span\u003e.\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003ca rel=\"noopener\" title=\"High Resolution of Comparison Table (FWASD19-1 VS. FWASD25-1)\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/fwasd19-1-vs-fwasd25-1-linear-slot-diffuser-comparison-commercial-hvac.jpg?v=1780706496\" target=\"_blank\"\u003e\u003cimg style=\"margin-bottom: 16px; float: none;\" alt=\"Commercial HVAC linear slot diffuser comparison between FWASD19-1 and FWASD25-1 featuring 3\/4 inch and 1 inch slot widths, airflow efficiency improvements, reduced pressure loss, quieter operation, showroom demonstration availability, and applications for commercial buildings and custom residential homes.\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/fwasd19-1-vs-fwasd25-1-linear-slot-diffuser-comparison-commercial-hvac.jpg?v=1780706496\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" alt=\"Flo-Matrix HVAC vent cover with built-in weather foam strip compared to standard vent covers without foam gasket, showing improved air seal, reduced dust streaks, cleaner ceilings, better airflow efficiency, and lower maintenance requirements for residential and commercial HVAC applications.\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781729213\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\" title=\"High Resolution of Professional HVAC Diffusers vs Mass Produced Diffusers | Quality Comparison Guide\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg style=\"margin-bottom: 16px; float: none;\" alt=\"Flo-Matrix HVAC professional-grade linear slot diffusers and air grilles compared to mass-produced generic store diffusers, highlighting T5 aluminum construction, superior airflow performance, expert technical support, custom manufacturing options, commercial project experience, showroom availability, and long-term HVAC performance benefits.\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003e\u003cbr\u003e\u003c\/h5\u003e\n\u003ch5\u003eSubmittal\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser_high_flow_-1-slot-installation-submittal-flomatrix-hvac.pdf?v=1750360336\" title=\"Linear Slot Diffuser (high flow, one slot) Submittal Sheet High Resolution PDF Download\" rel=\"noopener\" target=\"_blank\"\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003eClick here to download a high resolution of this submittal sheet\u003c\/span\u003e\u003c\/strong\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-high-flow-1-slot-submittal-flomatrix-hvac.jpg?v=1744922203\" alt=\"Linear Slot Diffuser high flow 1-slot submittal\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-1-slot-installation-submittal-flomatrix-hvac.jpg?v=1744915503\" alt=\"Linear Slot Diffuser high flow 1-slot installation submittal\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003ch5\u003eResources\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Linear_Slot_Diffuser_Installation_Instructions_High_Resolution.pdf?v=1759781403\" title=\"Linear Slot Diffuser Installation Guide High Resolution Download\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eLinear Slot Diffuser Installation Guide Download\u003c\/a\u003e\u003ca rel=\"noopener noreferrer\" title=\"19mm vs. 25mm Linear Slot Diffusers: A Quick Guide for HVAC Pros \u0026amp; Homeowners\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/19mm-vs-25mm-linear-slot-diffusers-a-quick-guide-for-hvac-pros-homeowners\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca rel=\"noopener noreferrer\" title=\"19mm vs. 25mm Linear Slot Diffusers: A Quick Guide for HVAC Pros \u0026amp; Homeowners\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/19mm-vs-25mm-linear-slot-diffusers-a-quick-guide-for-hvac-pros-homeowners\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eOur Guide to 19mm VS. 25mm Slot Width Differences\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" title=\"Linear Slot Diffusers: The Smart Choice for Modern HVAC Systems\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/linear-slot-diffusers-smart-choice-for-modern-hvac-systems\" target=\"_blank\"\u003eLinear Slot Diffusers: The Smart Choice for Modern HVAC Systems\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" title=\"Why 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/why-6063-t5-aluminum-is-great-for-linear-slot-diffuser-vent-covers\" target=\"_blank\"\u003eWhy 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/linear-slot-diffuser-upgrade-retrofit-vs-new-construction\" title=\"Linear Slot Diffuser Upgrade: A Guide for Retrofit vs. New Construction\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eLinear Slot Diffuser: A Guide for Retrofit vs. New Construction\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca rel=\"noopener noreferrer\" title=\"CFD Airflow Analysis Services for Smarter HVAC Design\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/cfd-airflow-analysis-hvac-design\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eCFD Airflow Analysis Services for Smarter HVAC Design\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eThe Hallmarks of a True Commercial-Grade Grille, Register, or Diffuser\u003c\/h4\u003e\n\u003cp\u003eFor architects and engineers, \"commercial grade\" signifies a product backed by robust technical documentation that enables accurate system design. This essential data encompasses the full material specification and verified performance metrics, including detailed acoustical data (NC levels), pressure drop, and airflow rates.\u003c\/p\u003e\n\u003cp\u003eOur commitment to this standard is verified through rigorous independent testing per ADC1062:GRD-84 and ASHRAE 70-2006. Furthermore, we employ advanced computational fluid dynamics (CFD) in our design process to enhance energy efficiency and optimize air dispersion performance.\u003c\/p\u003e\n\u003cp\u003eWith a legacy dating back to 1997, we have built our reputation on manufacturing premium linear slot diffusers (1-12 slot configurations) for demanding commercial environments. For assistance with your specific project requirements, \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" title=\"Contact US Form\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003ereach out to our product experts\u003c\/a\u003e\u003c\/span\u003e at +1-604-437-1527.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eVideos\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eShowcase Video of Product - 1 Slot Linear Diffuser\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/7_HLSGJ1dE4?si=EY4zvH8u9dC4YY6Y\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eDemonstration of airflow direction adjustment - 1 Slot Linear Diffuser\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/1Ugg_bT9wDY?si=EHqofWnvuq2Knfv8\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eHow to insert a linear slot diffuser into a plenum\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/HFvCaQcs1rE?si=nYvC4-UoWcE1fsiu\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eLinear Slot Diffuser Smoke Test (Vertical Throw) Video - 1 Slot\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/wzy7QBMM3n0\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eLinear Slot Diffuser Smoke Test (Horizontal Throw) Video - 1 Slot\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/nMeJOL_9g-M\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eVideos of previous custom plenums\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/5kEmsTcA2uE?si=SBMMXiQkfyDlC7Ob\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/gqC7IVD_kbY?si=araziY9knWlseHoy\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eOur retail store showroom - Greater Vancouver, Canada\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/YeWxWnvc0pw?si=qV2UAJzkCEX6TARr\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"Linear Air Diffusers","offers":[{"title":"Default Title","offer_id":41738396041379,"sku":"FWASD25-1\/81W\/588L\/005","price":40.77,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-high-flow-22-inch-1-slot-black-frontview-flomatrix-hvac.jpg?v=1744927983"},{"product_id":"24-linear-slot-diffuser-1-slot-with-25mm-slot-opening-hvac-vent-cover-matte-black-finish-wasd25-1","title":"24\" Linear Slot Diffuser Vent Cover (1 Slot with 25mm Opening) - Matte Black - FLO-MATRIX HVAC","description":"\u003ch5\u003e\u003cspan\u003eDetails\u003c\/span\u003e\u003c\/h5\u003e\n\u003cdiv\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv\u003eThis 24\" linear slot diffuser features a sleek matte black finish and is built for durability with solid extruded aluminum, making it ideal for HVAC and architectural projects. Perfect for general air distribution and VAV systems, its 25mm slot width with adjustable blades allows a 180° airflow pattern, boosting airflow by up to 14% compared to our 19mm models while reducing static pressure by 18%. This ensures better efficiency without straining duct pressure. For performance details on flow rate, noise, and static pressure—all critical for HVAC compatibility—review our lab data in the performance section. Check our smoke test video to see airflow performance in action. \u003cstrong\u003eProfessional installation is recommended.\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSleek, Modern Profile:\u003c\/strong\u003e Designed with a crisp 24\" x 2\" nominal size and a defined 1\" (25mm) opening for a minimalist aesthetic. (\u003cem\u003eDetailed dimensions are in the diagram\u003c\/em\u003e).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngineered for High-Capacity Airflow:\u003c\/strong\u003e Features a wider slot opening, a significant increase over the standard 19mm size. This design allows for a greater volume of air to pass through efficiently, making it ideal for high-demand commercial HVAC systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eKeep Ceilings Clean:\u003c\/strong\u003e Integrated sealing prevents escaped air, which stops ugly dust marks from forming on your ceiling and directs air efficiently.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt for Professional Use:\u003c\/strong\u003e Constructed with heavy-gauge \u003ca href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/why-6063-t5-aluminum-is-great-for-linear-slot-diffuser-vent-covers\" title=\"Why 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\" rel=\"noopener\" target=\"_blank\"\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e6063-T5 aluminum\u003c\/span\u003e\u003c\/a\u003e, fortified Tig welds, and a chip-resistant powder coat for unwavering reliability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSophisticated Matte Black:\u003c\/strong\u003e Finished in a premium matte black powder coat that is as durable as it is stylish, offering superior protection against wear.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStreamlined, Invisible Install:\u003c\/strong\u003e Enjoy a flawless finish with no visible screws; mounting is handled discreetly on the interior edges. (Hardware not included).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMatching Plenum:\u003c\/strong\u003e \u003cspan style=\"color: rgb(31, 33, 36);\"\u003ePair this linear slot diffuser with our \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Matching Custom Linear Slot Diffuser Plenum (24x2)\" href=\"https:\/\/www.linearairdiffusers.com\/products\/24x2-plenums-fxp\" target=\"_blank\"\u003ecustomizable 24x2 Plenums FXP Series\u003c\/a\u003e\u003c\/span\u003e (sold separately) to perfectly match your HVAC system's requirements. \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca style=\"color: rgb(37, 150, 190);\" href=\"https:\/\/youtu.be\/gqC7IVD_kbY?si=1LF7UVkcdi3Q07_p\" title=\"Video of our plenums for linear slot diffusers air vent covers.\" rel=\"noopener noreferrer\" target=\"_blank\"\u003eWatch our plenums intro video\u003c\/a\u003e\u003c\/span\u003e or click \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Custom Plenum Box - Built to your specifications by Flo-Matrix HVAC\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/custom-hvac-plenums\" target=\"_blank\"\u003ehere to learn more about our custom plenums\u003c\/a\u003e\u003c\/span\u003e.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShips worldwide from our Vancouver, Canada facility. Local pickup is also available at our showroom.\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg alt=\"Full dimensions of a black 24-inch 1-slot linear diffuser with 25mm openings for high airflow in commercial HVAC systems\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-high-flow-24-inch-1-slot-black-fulldimensions-flomatrix-hvac.jpg?v=1744928600\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eNeed custom sizes?\u003cstrong\u003e \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/pages\/linear-slot-diffuser-quote-request\" title=\"Request a Quote for Linear Slot Diffusers\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eRequest a quote for custom linear slot diffusers and plenums\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e to get pricing, lead times, and support for your project.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Linear_Slot_Diffuser_black-single_high_airflow_installed_photo.jpg?v=1780422000\" alt=\"Black linear slot diffuser air vent cover installed on bedroom wall, single-slot high-airflow HVAC diffuser with modern minimalist design for residential and commercial ventilation systems.\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003ePerformance\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ctable style=\"width: 500px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003ctd style=\"width: 204.035px; height: 19px;\"\u003e\u003cb\u003e\u003cspan\u003ePerformance Data\u003c\/span\u003e\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; height: 19px;\"\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 157px; height: 19px;\"\u003e\u003cb\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/b\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 40px;\"\u003e\n\u003ctd style=\"width: 204.035px; text-align: center; height: 40px;\"\u003e\n\u003cp\u003e\u003cem\u003eFlow Rate\u003c\/em\u003e\u003cem\u003e\u003cspan\u003e \u003c\/span\u003e(CFM)\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; text-align: center; height: 40px;\"\u003e\u003cem\u003e Static Pressure (in.wg)\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 157px; text-align: center; height: 40px;\"\u003e\u003cem\u003eNoise Level (NC)\u003c\/em\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 59.3578px;\"\u003e\n\u003ctd style=\"width: 204.035px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e87\u003cbr\u003e137\u003cbr\u003e182\u003cbr\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e0.09\u003cbr\u003e0.21\u003cbr\u003e0.37\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 157px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e20\u003cbr\u003e30\u003cbr\u003e40\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e  * Flow rate (CFM) and static pressure (in.wg) are interrelated. It is crucial to know your HVAC system total or static pressure when choosing the proper GRD for optimal performance.\u003c\/p\u003e\n\u003cp\u003e* Performance data independently verified by a globally recognized third-party testing facility. Tested to ADC1062:GRD-84 and ASHRAE 70-2006 standards. CFD and modern testing ensure optimal performance and energy efficiency. For complete performance data, please \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Contact Flo-Matrix HVAC\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" target=\"_blank\"\u003econtact us\u003c\/a\u003e\u003c\/span\u003e.\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003ca rel=\"noopener\" title=\"High Resolution of Comparison Table (FWASD19-1 VS. FWASD25-1)\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/fwasd19-1-vs-fwasd25-1-linear-slot-diffuser-comparison-commercial-hvac.jpg?v=1780706496\" target=\"_blank\"\u003e\u003cimg style=\"margin-bottom: 16px; float: none;\" alt=\"Commercial HVAC linear slot diffuser comparison between FWASD19-1 and FWASD25-1 featuring 3\/4 inch and 1 inch slot widths, airflow efficiency improvements, reduced pressure loss, quieter operation, showroom demonstration availability, and applications for commercial buildings and custom residential homes.\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/fwasd19-1-vs-fwasd25-1-linear-slot-diffuser-comparison-commercial-hvac.jpg?v=1780706496\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" alt=\"Flo-Matrix HVAC vent cover with built-in weather foam strip compared to standard vent covers without foam gasket, showing improved air seal, reduced dust streaks, cleaner ceilings, better airflow efficiency, and lower maintenance requirements for residential and commercial HVAC applications.\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781729213\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\" title=\"High Resolution of Professional HVAC Diffusers vs Mass Produced Diffusers | Quality Comparison Guide\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg style=\"margin-bottom: 16px; float: none;\" alt=\"Flo-Matrix HVAC professional-grade linear slot diffusers and air grilles compared to mass-produced generic store diffusers, highlighting T5 aluminum construction, superior airflow performance, expert technical support, custom manufacturing options, commercial project experience, showroom availability, and long-term HVAC performance benefits.\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5 style=\"text-align: left;\"\u003e\u003cbr\u003e\u003c\/h5\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\n\u003ch5\u003eSubmittal\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ca rel=\"noopener\" title=\"Linear Slot Diffuser (high flow, one slot) Submittal Sheet High Resolution PDF Download\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser_high_flow_-1-slot-installation-submittal-flomatrix-hvac.pdf?v=1750360336\" target=\"_blank\"\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003eClick here to download a high resolution of this submittal sheet\u003c\/span\u003e\u003c\/strong\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\n\u003cbr\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"Linear Slot Diffuser high flow 1-slot submittal\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-high-flow-1-slot-submittal-flomatrix-hvac.jpg?v=1744922203\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"Linear Slot Diffuser high flow 1-slot installation submittal\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-1-slot-installation-submittal-flomatrix-hvac.jpg?v=1744915503\"\u003e\u003c\/p\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch5\u003eResources\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Linear_Slot_Diffuser_Installation_Instructions_High_Resolution.pdf?v=1759781403\" title=\"Linear Slot Diffuser Installation Guide High Resolution Download\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eLinear Slot Diffuser Installation Guide Download\u003c\/a\u003e\u003ca rel=\"noopener noreferrer\" title=\"19mm vs. 25mm Linear Slot Diffusers: A Quick Guide for HVAC Pros \u0026amp; Homeowners\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/19mm-vs-25mm-linear-slot-diffusers-a-quick-guide-for-hvac-pros-homeowners\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca rel=\"noopener noreferrer\" title=\"19mm vs. 25mm Linear Slot Diffusers: A Quick Guide for HVAC Pros \u0026amp; Homeowners\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/19mm-vs-25mm-linear-slot-diffusers-a-quick-guide-for-hvac-pros-homeowners\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eOur Guide to 19mm VS. 25mm Slot Width Differences\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" title=\"Linear Slot Diffusers: The Smart Choice for Modern HVAC Systems\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/linear-slot-diffusers-smart-choice-for-modern-hvac-systems\" target=\"_blank\"\u003eLinear Slot Diffusers: The Smart Choice for Modern HVAC Systems\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" title=\"Why 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/why-6063-t5-aluminum-is-great-for-linear-slot-diffuser-vent-covers\" target=\"_blank\"\u003eWhy 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/linear-slot-diffuser-upgrade-retrofit-vs-new-construction\" title=\"Linear Slot Diffuser Upgrade: A Guide for Retrofit vs. New Construction\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eLinear Slot Diffuser: A Guide for Retrofit vs. New Construction\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca rel=\"noopener noreferrer\" title=\"CFD Airflow Analysis Services for Smarter HVAC Design\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/cfd-airflow-analysis-hvac-design\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eCFD Airflow Analysis Services for Smarter HVAC Design\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eThe Hallmarks of a True Commercial-Grade Grille, Register, or Diffuser\u003c\/h4\u003e\n\u003cp\u003eFor architects and engineers, \"commercial grade\" signifies a product backed by robust technical documentation that enables accurate system design. This essential data encompasses the full material specification and verified performance metrics, including detailed acoustical data (NC levels), pressure drop, and airflow rates.\u003c\/p\u003e\n\u003cp\u003eOur commitment to this standard is verified through rigorous independent testing per ADC1062:GRD-84 and ASHRAE 70-2006. Furthermore, we employ advanced computational fluid dynamics (CFD) in our design process to enhance energy efficiency and optimize air dispersion performance.\u003c\/p\u003e\n\u003cp\u003eWith a legacy dating back to 1997, we have built our reputation on manufacturing premium linear slot diffusers (1-12 slot configurations) for demanding commercial environments. For assistance with your specific project requirements, \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca style=\"color: rgb(37, 150, 190);\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" title=\"Contact US Form\" rel=\"noopener\" target=\"_blank\"\u003ereach out to our product experts\u003c\/a\u003e\u003c\/span\u003e at +1-604-437-1527.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eVideos\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eShowcase Video of Product - 1 Slot Linear Diffuser\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/7_HLSGJ1dE4?si=EY4zvH8u9dC4YY6Y\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eDemonstration of airflow direction adjustment - 1 Slot Linear Diffuser\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/1Ugg_bT9wDY?si=EHqofWnvuq2Knfv8\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eHow to insert a linear slot diffuser into a plenum\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/HFvCaQcs1rE?si=nYvC4-UoWcE1fsiu\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eLinear Slot Diffuser Smoke Test (Vertical Throw) Video - 1 Slot\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/wzy7QBMM3n0\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eLinear Slot Diffuser Smoke Test (Horizontal Throw) Video - 1 Slot\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/nMeJOL_9g-M\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eVideos of previous custom plenums\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/5kEmsTcA2uE?si=SBMMXiQkfyDlC7Ob\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/gqC7IVD_kbY?si=araziY9knWlseHoy\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eOur retail store showroom - Greater Vancouver, Canada\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/YeWxWnvc0pw?si=qV2UAJzkCEX6TARr\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"Linear Air Diffusers","offers":[{"title":"Default Title","offer_id":41738402136227,"sku":"FWASD25-1\/81W\/638L\/005","price":43.27,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-high-flow-24-inch-1-slot-black-frontview-flomatrix-hvac.jpg?v=1744928600"},{"product_id":"36-linear-slot-diffuser-1-slot-with-25mm-slot-opening-hvac-vent-cover-matte-black-finish-wasd25-1","title":"36\" Linear Slot Diffuser Vent Cover (1 Slot with 25mm Opening) - Matte Black - FLO-MATRIX HVAC","description":"\u003ch5\u003e\u003cspan\u003eDetails\u003c\/span\u003e\u003c\/h5\u003e\n\u003cdiv\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv\u003eThis 36\" linear slot diffuser features a sleek matte black finish and is built for durability with solid extruded aluminum, making it ideal for HVAC and architectural projects. Perfect for general air distribution and VAV systems, its 25mm slot width with adjustable blades allows a 180° airflow pattern, boosting airflow by up to 14% compared to our 19mm models while reducing static pressure by 18%. This ensures better efficiency without straining duct pressure. For performance details on flow rate, noise, and static pressure—all critical for HVAC compatibility—review our lab data in the performance section. Check our smoke test video to see airflow performance in action. \u003cstrong\u003eProfessional installation is recommended.\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSleek, Modern Profile:\u003c\/strong\u003e Designed with a crisp 36\" x 2\" nominal size and a defined 1\" (25mm) opening for a minimalist aesthetic. (\u003cem\u003eDetailed dimensions are in the diagram\u003c\/em\u003e).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngineered for High-Capacity Airflow:\u003c\/strong\u003e Features a wider slot opening, a significant increase over the standard 19mm size. This design allows for a greater volume of air to pass through efficiently, making it ideal for high-demand commercial HVAC systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eKeep Ceilings Clean:\u003c\/strong\u003e Integrated sealing prevents escaped air, which stops ugly dust marks from forming on your ceiling and directs air efficiently.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt for Professional Use:\u003c\/strong\u003e Constructed with heavy-gauge \u003ca href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/why-6063-t5-aluminum-is-great-for-linear-slot-diffuser-vent-covers\" title=\"Why 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\" rel=\"noopener\" target=\"_blank\"\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e6063-T5 aluminum\u003c\/span\u003e\u003c\/a\u003e, fortified Tig welds, and a chip-resistant powder coat for unwavering reliability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSophisticated Matte Black:\u003c\/strong\u003e Finished in a premium matte black powder coat that is as durable as it is stylish, offering superior protection against wear.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStreamlined, Invisible Install:\u003c\/strong\u003e Enjoy a flawless finish with no visible screws; mounting is handled discreetly on the interior edges. (Hardware not included).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustomizable HVAC Integration:\u003c\/strong\u003e For ideal performance, combine with a \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/pages\/custom-hvac-plenums\" title=\"Custom Plenum Box - Built to your specifications by Flo-Matrix HVAC\" rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003ematching plenum box\u003c\/a\u003e\u003c\/span\u003e (sold separately) designed for your specific needs. \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/youtu.be\/gqC7IVD_kbY?si=1LF7UVkcdi3Q07_p\" title=\"Custom plenum video introduction.\" rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eWatch our intro video\u003c\/a\u003e\u003c\/span\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShips worldwide from our Vancouver, Canada facility. Local pickup is also available at our showroom.\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-high-flow-36-inch-1-slot-black-fulldimensions-flomatrix-hvac.jpg?v=1744930061\" alt=\"Full dimensions of a black 36-inch 1-slot linear diffuser with 25mm openings for high airflow in commercial HVAC systems\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eNeed custom sizes?\u003cstrong\u003e \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/pages\/linear-slot-diffuser-quote-request\" title=\"Request a Quote for Linear Slot Diffusers\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eRequest a quote for custom linear slot diffusers and plenums\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e to get pricing, lead times, and support for your project.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Linear_Slot_Diffuser_black-single_high_airflow_installed_photo.jpg?v=1780422000\" alt=\"Black linear slot diffuser air vent cover installed on bedroom wall, single-slot high-airflow HVAC diffuser with modern minimalist design for residential and commercial ventilation systems.\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003ePerformance\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ctable style=\"width: 500px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003ctd style=\"width: 204.035px; height: 19px;\"\u003e\u003cb\u003e\u003cspan\u003ePerformance Data\u003c\/span\u003e\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; height: 19px;\"\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 157px; height: 19px;\"\u003e\u003cb\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/b\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 40px;\"\u003e\n\u003ctd style=\"width: 204.035px; text-align: center; height: 40px;\"\u003e\n\u003cp\u003e\u003cem\u003eFlow Rate\u003c\/em\u003e\u003cem\u003e\u003cspan\u003e \u003c\/span\u003e(CFM)\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; text-align: center; height: 40px;\"\u003e\u003cem\u003e Static Pressure (in.wg)\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 157px; text-align: center; height: 40px;\"\u003e\u003cem\u003eNoise Level (NC)\u003c\/em\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 59.3578px;\"\u003e\n\u003ctd style=\"width: 204.035px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e131\u003cbr\u003e206\u003cbr\u003e273\u003cbr\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e0.09\u003cbr\u003e0.21\u003cbr\u003e0.37\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 157px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e20\u003cbr\u003e30\u003cbr\u003e40\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e  * Flow rate (CFM) and static pressure (in.wg) are interrelated. It is crucial to know your HVAC system total or static pressure when choosing the proper GRD for optimal performance.\u003c\/p\u003e\n\u003cp\u003e* Performance data independently verified by a globally recognized third-party testing facility. Tested to ADC1062:GRD-84 and ASHRAE 70-2006 standards. CFD and modern testing ensure optimal performance and energy efficiency. For complete performance data, please \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Contact Flo-Matrix HVAC\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" target=\"_blank\"\u003econtact us\u003c\/a\u003e\u003c\/span\u003e.\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003ca rel=\"noopener\" title=\"High Resolution of Comparison Table (FWASD19-1 VS. FWASD25-1)\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/fwasd19-1-vs-fwasd25-1-linear-slot-diffuser-comparison-commercial-hvac.jpg?v=1780706496\" target=\"_blank\"\u003e\u003cimg style=\"margin-bottom: 16px; float: none;\" alt=\"Commercial HVAC linear slot diffuser comparison between FWASD19-1 and FWASD25-1 featuring 3\/4 inch and 1 inch slot widths, airflow efficiency improvements, reduced pressure loss, quieter operation, showroom demonstration availability, and applications for commercial buildings and custom residential homes.\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/fwasd19-1-vs-fwasd25-1-linear-slot-diffuser-comparison-commercial-hvac.jpg?v=1780706496\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" alt=\"Flo-Matrix HVAC vent cover with built-in weather foam strip compared to standard vent covers without foam gasket, showing improved air seal, reduced dust streaks, cleaner ceilings, better airflow efficiency, and lower maintenance requirements for residential and commercial HVAC applications.\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781729213\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\" title=\"High Resolution of Professional HVAC Diffusers vs Mass Produced Diffusers | Quality Comparison Guide\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg style=\"margin-bottom: 16px; float: none;\" alt=\"Flo-Matrix HVAC professional-grade linear slot diffusers and air grilles compared to mass-produced generic store diffusers, highlighting T5 aluminum construction, superior airflow performance, expert technical support, custom manufacturing options, commercial project experience, showroom availability, and long-term HVAC performance benefits.\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003e\u003cbr\u003e\u003c\/h5\u003e\n\u003ch5\u003eSubmittal\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003ca rel=\"noopener\" title=\"Linear Slot Diffuser (high flow, one slot) Submittal Sheet High Resolution PDF Download\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser_high_flow_-1-slot-installation-submittal-flomatrix-hvac.pdf?v=1750360336\" target=\"_blank\"\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003eClick here to download a high resolution of this submittal sheet\u003c\/span\u003e\u003c\/strong\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-high-flow-1-slot-submittal-flomatrix-hvac.jpg?v=1744929484\" alt=\"Linear Slot Diffuser high flow 1-slot submittal\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-1-slot-installation-submittal-flomatrix-hvac.jpg?v=1744915503\" alt=\"Linear Slot Diffuser high flow 1-slot installation submittal\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eResources\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Linear_Slot_Diffuser_Installation_Instructions_High_Resolution.pdf?v=1759781403\" title=\"Linear Slot Diffuser Installation Guide High Resolution Download\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eLinear Slot Diffuser Installation Guide Download\u003c\/a\u003e\u003ca rel=\"noopener noreferrer\" title=\"19mm vs. 25mm Linear Slot Diffusers: A Quick Guide for HVAC Pros \u0026amp; Homeowners\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/19mm-vs-25mm-linear-slot-diffusers-a-quick-guide-for-hvac-pros-homeowners\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca rel=\"noopener noreferrer\" title=\"19mm vs. 25mm Linear Slot Diffusers: A Quick Guide for HVAC Pros \u0026amp; Homeowners\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/19mm-vs-25mm-linear-slot-diffusers-a-quick-guide-for-hvac-pros-homeowners\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eOur Guide to 19mm VS. 25mm Slot Width Differences\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" title=\"Linear Slot Diffusers: The Smart Choice for Modern HVAC Systems\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/linear-slot-diffusers-smart-choice-for-modern-hvac-systems\" target=\"_blank\"\u003eLinear Slot Diffusers: The Smart Choice for Modern HVAC Systems\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" title=\"Why 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/why-6063-t5-aluminum-is-great-for-linear-slot-diffuser-vent-covers\" target=\"_blank\"\u003eWhy 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/linear-slot-diffuser-upgrade-retrofit-vs-new-construction\" title=\"Linear Slot Diffuser Upgrade: A Guide for Retrofit vs. New Construction\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eLinear Slot Diffuser: A Guide for Retrofit vs. New Construction\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca rel=\"noopener noreferrer\" title=\"CFD Airflow Analysis Services for Smarter HVAC Design\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/cfd-airflow-analysis-hvac-design\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eCFD Airflow Analysis Services for Smarter HVAC Design\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eThe Hallmarks of a True Commercial-Grade Grille, Register, or Diffuser\u003c\/h4\u003e\n\u003cp\u003eFor architects and engineers, \"commercial grade\" signifies a product backed by robust technical documentation that enables accurate system design. This essential data encompasses the full material specification and verified performance metrics, including detailed acoustical data (NC levels), pressure drop, and airflow rates.\u003c\/p\u003e\n\u003cp\u003eOur commitment to this standard is verified through rigorous independent testing per ADC1062:GRD-84 and ASHRAE 70-2006. Furthermore, we employ advanced computational fluid dynamics (CFD) in our design process to enhance energy efficiency and optimize air dispersion performance.\u003c\/p\u003e\n\u003cp\u003eWith a legacy dating back to 1997, we have built our reputation on manufacturing premium linear slot diffusers (1-12 slot configurations) for demanding commercial environments. For assistance with your specific project requirements, \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca style=\"color: rgb(37, 150, 190);\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" title=\"Contact US Form\" rel=\"noopener\" target=\"_blank\"\u003ereach out to our product experts\u003c\/a\u003e\u003c\/span\u003e at +1-604-437-1527.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eVideos\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eShowcase Video of Product - 1 Slot Linear Diffuser\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/7_HLSGJ1dE4?si=EY4zvH8u9dC4YY6Y\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eDemonstration of airflow direction adjustment - 1 Slot Linear Diffuser\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/1Ugg_bT9wDY?si=EHqofWnvuq2Knfv8\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eHow to insert a linear slot diffuser into a plenum\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/HFvCaQcs1rE?si=nYvC4-UoWcE1fsiu\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eLinear Slot Diffuser Smoke Test (Vertical Throw) Video - 1 Slot\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/wzy7QBMM3n0\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eLinear Slot Diffuser Smoke Test (Horizontal Throw) Video - 1 Slot\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/nMeJOL_9g-M\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eVideos of previous custom plenums\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/5kEmsTcA2uE?si=SBMMXiQkfyDlC7Ob\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/gqC7IVD_kbY?si=araziY9knWlseHoy\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eOur retail store showroom - Greater Vancouver, Canada\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/YeWxWnvc0pw?si=qV2UAJzkCEX6TARr\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"Linear Air Diffusers","offers":[{"title":"Default Title","offer_id":41738416849059,"sku":"FWASD25-1\/81W\/942L\/005","price":63.78,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-high-flow-36-inch-1-slot-black-frontview-flomatrix-hvac.jpg?v=1744930061"},{"product_id":"18-linear-slot-diffuser-1-slot-with-19mm-slot-opening-hvac-vent-cover-matte-black-finish-wasd19-1","title":"18\" Linear Slot Diffuser Vent Cover (1 Slot with 19mm Opening) - Matte Black - FLO-MATRIX HVAC","description":"\u003ch5\u003e\u003cspan\u003eDetails\u003c\/span\u003e\u003c\/h5\u003e\n\u003cdiv\u003e\n\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003eThis 18-inch linear slot diffuser brings both form and function to your space with its sleek matte black finish. Unlike flimsy alternatives, it's built from solid extruded aluminum - the same material architects specify for high-traffic commercial projects. Whether you need consistent airflow in office spaces or precision control for VAV systems, the 19mm slot opening with 180-degree adjustable blades delivers. Check out our smoke test video in the videos section to see the airflow in action. \u003cstrong\u003eWe recommend installation by HVAC professionals for best results.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Size \u0026amp; Design:\u003c\/strong\u003e Features a clean 18\" x 1.5\" nominal size with a sharp ¾\" (19mm) slot opening for a sleek, modern aesthetic. (\u003cem\u003ePlease refer to the size diagram for detailed dimensions\u003c\/em\u003e).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEliminates Ceiling Smudges: \u003c\/strong\u003eAn integrated weather-stripping seal prevents air leakage, protecting your ceiling from unsightly dust marks and ensuring all air is directed through the diffuser.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable, Commercial-Grade Construction:\u003c\/strong\u003e Built from heavy-duty \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Why 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/why-6063-t5-aluminum-is-great-for-linear-slot-diffuser-vent-covers\" target=\"_blank\"\u003e6063-T5 architectural-grade aluminum\u003c\/a\u003e\u003c\/span\u003e with reinforced Tig welds and a resilient powder coat finish to resist cracking, chipping, and bending for a lifetime of performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSleek, Flawless Finish:\u003c\/strong\u003e Finished in a sophisticated matte black powder coat, chosen for its superb durability and high resistance to corrosion and everyday wear.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClean, Minimalist Installation:\u003c\/strong\u003e Designed for a flawless look with no visible screw holes. Fastening points are discreetly located on the inner border sides. (Note: Fasteners are not included).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMatching Plenum:\u003c\/strong\u003e \u003cspan style=\"color: rgb(31, 33, 36);\"\u003ePair this linear slot diffuser with our \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/products\/18x2-plenums-fxp\" title=\"Matching Custom Linear Slot Diffuser Plenum (18x2)\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003ecustomizable 18x2 Plenums FXP Series\u003c\/a\u003e\u003c\/span\u003e (sold separately) to perfectly match your HVAC system's requirements. \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca style=\"color: rgb(37, 150, 190);\" href=\"https:\/\/youtu.be\/gqC7IVD_kbY?si=1LF7UVkcdi3Q07_p\" title=\"Video of our plenums for linear slot diffusers air vent covers.\" rel=\"noopener noreferrer\" target=\"_blank\"\u003eWatch our plenums intro video\u003c\/a\u003e\u003c\/span\u003e or click \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Custom Plenum Box - Built to your specifications by Flo-Matrix HVAC\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/custom-hvac-plenums\" target=\"_blank\"\u003ehere to learn more about our custom plenums\u003c\/a\u003e\u003c\/span\u003e.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShips worldwide from our Vancouver, Canada facility. Local pickup is also available at our showroom.\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-18-inch-1-slot-black-fulldimensions-flomatrix-hvac.jpg?v=1744839097\" alt=\"Full dimensions of a black 18-inch 1-slot linear diffuser with 19mm openings for precision airflow in commercial HVAC systems\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eNeed custom sizes?\u003cstrong\u003e \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/pages\/linear-slot-diffuser-quote-request\" title=\"Request a Quote for Linear Slot Diffusers\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eRequest a quote for custom linear slot diffusers and plenums\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e to get pricing, lead times, and support for your project.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Linear_Slot_Diffuser_black_installed_photo.jpg?v=1780354693\" alt=\"Black linear slot diffuser installed above a modern fireplace in a contemporary living room\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003ePerformance\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ctable style=\"width: 500px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003ctd style=\"width: 204.035px; height: 19px;\"\u003e\u003cb\u003e\u003cspan\u003ePerformance Data\u003c\/span\u003e\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; height: 19px;\"\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 157px; height: 19px;\"\u003e\u003cb\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/b\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 40px;\"\u003e\n\u003ctd style=\"width: 204.035px; text-align: center; height: 40px;\"\u003e\n\u003cp\u003e\u003cem\u003eFlow Rate\u003c\/em\u003e\u003cem\u003e\u003cspan\u003e \u003c\/span\u003e(CFM)\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; text-align: center; height: 40px;\"\u003e\u003cem\u003e Static Pressure (in.wg)\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 157px; text-align: center; height: 40px;\"\u003e\u003cem\u003eNoise Level (NC)\u003c\/em\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 59.3578px;\"\u003e\n\u003ctd style=\"width: 204.035px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e65\u003cbr\u003e90\u003cbr\u003e131\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e0.11\u003cbr\u003e0.20\u003cbr\u003e0.41\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 157px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e20\u003cbr\u003e30\u003cbr\u003e40\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ctable style=\"height: 58.7812px;\" width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 58.7812px;\"\u003e\n\u003ctd style=\"height: 58.7812px;\"\u003e\n\u003cp\u003e  * Flow rate (CFM) and static pressure (in.wg) are interrelated. It is crucial to know your HVAC system total or static pressure when choosing the proper GRD for optimal performance.\u003c\/p\u003e\n\u003cp\u003e* Performance data independently verified by a globally recognized third-party testing facility. Tested to ADC1062:GRD-84 and ASHRAE 70-2006 standards. CFD and modern testing ensure optimal performance and energy efficiency. For complete performance data, please \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Contact Flo-Matrix HVAC\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" target=\"_blank\"\u003econtact us\u003c\/a\u003e\u003c\/span\u003e.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003ca style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" title=\"Linear Slot Diffuser - 25mm wide opening - 1 Slot Vent Covers\" href=\"https:\/\/www.linearairdiffusers.com\/collections\/linear-slot-diffuser-1-slot-with-25mm-slot-opening\" target=\"_blank\"\u003eNeed more airflow? See the enhanced airflow 1-slot diffuser\u003c\/a\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/fwasd19-1-vs-fwasd25-1-linear-slot-diffuser-comparison-commercial-hvac.jpg?v=1780706496\" title=\"High Resolution of Comparison Table (FWASD19-1 VS. FWASD25-1)\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/fwasd19-1-vs-fwasd25-1-linear-slot-diffuser-comparison-commercial-hvac.jpg?v=1780706496\" alt=\"Commercial HVAC linear slot diffuser comparison between FWASD19-1 and FWASD25-1 featuring 3\/4 inch and 1 inch slot widths, airflow efficiency improvements, reduced pressure loss, quieter operation, showroom demonstration availability, and applications for commercial buildings and custom residential homes.\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" alt=\"Flo-Matrix HVAC vent cover with built-in weather foam strip compared to standard vent covers without foam gasket, showing improved air seal, reduced dust streaks, cleaner ceilings, better airflow efficiency, and lower maintenance requirements for residential and commercial HVAC applications.\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781729213\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003ca rel=\"noopener\" title=\"High Resolution of Professional HVAC Diffusers vs Mass Produced Diffusers | Quality Comparison Guide\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\" alt=\"Flo-Matrix HVAC professional-grade linear slot diffusers and air grilles compared to mass-produced generic store diffusers, highlighting T5 aluminum construction, superior airflow performance, expert technical support, custom manufacturing options, commercial project experience, showroom availability, and long-term HVAC performance benefits.\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eSubmittal\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Linear_Slot_Diffuser_1-slot_submittal_high_resolution_download.pdf?v=1750363158\" title=\"Linear Slot Diffuser (one slot) Submittal Sheet High Resolution PDF Download\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eClick here to download a high resolution of this submittal sheet\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv style=\"text-align: start;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp\u003e\u003cimg alt=\"Linear Slot Diffuser -1-slot submittal\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-1-slot-submittal-flomatrix-hvac_c1126db3-e0c7-42f5-91d0-8835b386d548.jpg?v=1744843355\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eResources\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Linear_Slot_Diffuser_Installation_Instructions_High_Resolution.pdf?v=1759781403\" title=\"Linear Slot Diffuser Installation Guide High Resolution Download\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eLinear Slot Diffuser Installation Guide Download\u003c\/a\u003e\u003ca rel=\"noopener noreferrer\" title=\"19mm vs. 25mm Linear Slot Diffusers: A Quick Guide for HVAC Pros \u0026amp; Homeowners\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/19mm-vs-25mm-linear-slot-diffusers-a-quick-guide-for-hvac-pros-homeowners\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca rel=\"noopener noreferrer\" title=\"19mm vs. 25mm Linear Slot Diffusers: A Quick Guide for HVAC Pros \u0026amp; Homeowners\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/19mm-vs-25mm-linear-slot-diffusers-a-quick-guide-for-hvac-pros-homeowners\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eOur Guide to 19mm VS. 25mm Slot Width Differences\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" title=\"Linear Slot Diffusers: The Smart Choice for Modern HVAC Systems\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/linear-slot-diffusers-smart-choice-for-modern-hvac-systems\" target=\"_blank\"\u003eLinear Slot Diffusers: The Smart Choice for Modern HVAC Systems\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" title=\"Why 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/why-6063-t5-aluminum-is-great-for-linear-slot-diffuser-vent-covers\" target=\"_blank\"\u003eWhy 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/linear-slot-diffuser-upgrade-retrofit-vs-new-construction\" title=\"Linear Slot Diffuser Upgrade: A Guide for Retrofit vs. New Construction\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eLinear Slot Diffuser: A Guide for Retrofit vs. New Construction\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca rel=\"noopener noreferrer\" title=\"CFD Airflow Analysis Services for Smarter HVAC Design\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/cfd-airflow-analysis-hvac-design\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eCFD Airflow Analysis Services for Smarter HVAC Design\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eWhat Makes a Grille, Register, or Diffuser \"Commercial Grade\"?\u003c\/h4\u003e\n\u003cp\u003eTrue commercial-grade GRD products provide architects, engineers, and HVAC professionals with the complete technical data needed for precise project specification. This includes detailed information on material composition and comprehensive performance metrics like flow rates, pressure drop, and noise criteria (NC).\u003c\/p\u003e\n\u003cp\u003eAll our products are rigorously tested in accordance with ADC1062:GRD-84 and the ASHRAE 70-2006 standards. We leverage computational fluid dynamics (CFD) and modern testing to continuously refine our designs for optimal performance and energy efficiency.\u003c\/p\u003e\n\u003cp\u003eSince 1997, we have been a trusted manufacturer of high-quality linear slot diffusers (from 1 to 12 slots) for the commercial HVAC industry. For project-specific questions and expert guidance, please \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" title=\"Contact Us Form\" rel=\"noopener noreferrer\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003econtact our product specialists\u003c\/a\u003e\u003c\/span\u003e at +1-604-437-1527.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eVideos\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eShowcase Video of Product - 1 Slot Linear Diffuser\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/7_HLSGJ1dE4?si=EY4zvH8u9dC4YY6Y\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eDemonstration of airflow direction adjustment - 1 Slot Linear Diffuser\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/1Ugg_bT9wDY?si=EHqofWnvuq2Knfv8\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eHow to insert a linear slot diffuser into a plenum\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/HFvCaQcs1rE?si=nYvC4-UoWcE1fsiu\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eLinear Slot Diffuser Smoke Test (Vertical Throw) Video - 1 Slot\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/wzy7QBMM3n0\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eLinear Slot Diffuser Smoke Test (Horizontal Throw) Video - 1 Slot\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/nMeJOL_9g-M\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eVideos of previous custom plenums\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/5kEmsTcA2uE?si=SBMMXiQkfyDlC7Ob\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/gqC7IVD_kbY?si=araziY9knWlseHoy\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eOur retail store showroom - Greater Vancouver, Canada\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/YeWxWnvc0pw?si=qV2UAJzkCEX6TARr\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"Linear Air Diffusers","offers":[{"title":"Default Title","offer_id":42124655591587,"sku":"FWASD19-1\/76W\/484L\/005","price":35.44,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-18-inch-1-slot-black-frontview-flomatrix-hvac.jpg?v=1744839097"},{"product_id":"16-linear-slot-diffuser-1-slot-with-19mm-slot-opening-hvac-vent-cover-matte-black-finish-wasd19-1","title":"16\" Linear Slot Diffuser Vent Cover (1 Slot with 19mm Opening) - Matte Black - FLO-MATRIX HVAC","description":"\u003ch5\u003e\u003cspan\u003eDetails\u003c\/span\u003e\u003c\/h5\u003e\n\u003cdiv\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003eThis 16-inch linear slot diffuser brings both form and function to your space with its sleek matte black finish. Unlike flimsy alternatives, it's built from solid extruded aluminum - the same material architects specify for high-traffic commercial projects. Whether you need consistent airflow in office spaces or precision control for VAV systems, the 19mm slot opening with 180-degree adjustable blades delivers. Check out our smoke test video in the videos section to see the airflow in action. \u003cstrong\u003eWe recommend installation by HVAC professionals for best results.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Size \u0026amp; Design:\u003c\/strong\u003e Features a clean 16\" x 1.5\" nominal size with a sharp ¾\" (19mm) slot opening for a sleek, modern aesthetic. (\u003cem\u003ePlease refer to the size diagram for detailed dimensions\u003c\/em\u003e).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEliminates Ceiling Smudges: \u003c\/strong\u003eAn integrated weather-stripping seal prevents air leakage, protecting your ceiling from unsightly dust marks and ensuring all air is directed through the diffuser.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable, Commercial-Grade Construction: \u003c\/strong\u003eBuilt from heavy-duty \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/why-6063-t5-aluminum-is-great-for-linear-slot-diffuser-vent-covers\" title=\"Why 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003e6063-T5 architectural-grade aluminum\u003c\/a\u003e\u003c\/span\u003e with a tough powder coat finish and reinforced Tig welds to resist cracking, chipping, and bending for a lifetime of performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSleek, Flawless Finish:\u003c\/strong\u003e Finished in a sophisticated matte black powder coat, chosen for its superb durability and high resistance to corrosion and everyday wear.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClean, Minimalist Installation:\u003c\/strong\u003e Designed for a flawless look with no visible screw holes. Fastening points are discreetly located on the inner border sides. (Note: Fasteners are not included).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMatching Plenum:\u003c\/strong\u003e \u003cspan style=\"color: rgb(31, 33, 36);\"\u003ePair this linear slot diffuser with our \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Matching Custom Linear Slot Diffuser Plenum (16x2)\" href=\"https:\/\/www.linearairdiffusers.com\/products\/16x2-plenums-fxp\" target=\"_blank\"\u003ecustomizable 16x2 Plenums FXP Series\u003c\/a\u003e\u003c\/span\u003e (sold separately) to perfectly match your HVAC system's requirements. \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener noreferrer\" title=\"Video of our plenums for linear slot diffusers air vent covers.\" href=\"https:\/\/youtu.be\/gqC7IVD_kbY?si=1LF7UVkcdi3Q07_p\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eWatch our plenums intro video\u003c\/a\u003e\u003c\/span\u003e or click \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/pages\/custom-hvac-plenums\" title=\"Custom Plenum Box - Built to your specifications by Flo-Matrix HVAC\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003ehere to learn more about our custom plenums\u003c\/a\u003e\u003c\/span\u003e.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShips worldwide from our Vancouver, Canada facility. Local pickup is also available at our showroom.\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-16-inch-1-slot-black-fulldimensions-flomatrix-hvac.jpg?v=1744837862\" alt=\"Full dimensions of a black 16-inch 1-slot linear diffuser with 19mm openings for precision airflow in commercial HVAC systems\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003eNeed custom sizes?\u003cstrong\u003e \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Request a Quote for Linear Slot Diffusers\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/linear-slot-diffuser-quote-request\" target=\"_blank\"\u003eRequest a quote for custom linear slot diffusers and plenums\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e to get pricing, lead times, and support for your project.\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg style=\"margin-bottom: 16px; float: none;\" alt=\"Black linear slot diffuser installed above a modern fireplace in a contemporary living room\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Linear_Slot_Diffuser_black_installed_photo.jpg?v=1780354693\"\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003ePerformance\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ctable style=\"width: 500px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003ctd style=\"width: 204.035px; height: 19px;\"\u003e\u003cb\u003e\u003cspan\u003ePerformance Data\u003c\/span\u003e\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; height: 19px;\"\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 157px; height: 19px;\"\u003e\u003cb\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/b\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 40px;\"\u003e\n\u003ctd style=\"width: 204.035px; text-align: center; height: 40px;\"\u003e\n\u003cp\u003e\u003cem\u003eFlow Rate\u003c\/em\u003e\u003cem\u003e\u003cspan\u003e \u003c\/span\u003e(CFM)\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; text-align: center; height: 40px;\"\u003e\u003cem\u003e Static Pressure (in.wg)\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 157px; text-align: center; height: 40px;\"\u003e\u003cem\u003eNoise Level (NC)\u003c\/em\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 59.3578px;\"\u003e\n\u003ctd style=\"width: 204.035px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e58\u003cbr\u003e80\u003cbr\u003e116\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e0.11\u003cbr\u003e0.20\u003cbr\u003e0.41\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 157px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e20\u003cbr\u003e30\u003cbr\u003e40\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e  * Flow rate (CFM) and static pressure (in.wg) are interrelated. It is crucial to know your HVAC system total or static pressure when choosing the proper GRD for optimal performance.\u003c\/p\u003e\n\u003cp\u003e* Performance data independently verified by a globally recognized third-party testing facility. Tested to ADC1062:GRD-84 and ASHRAE 70-2006 standards. CFD and modern testing ensure optimal performance and energy efficiency. For complete performance data, please \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Contact Flo-Matrix HVAC\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" target=\"_blank\"\u003econtact us\u003c\/a\u003e\u003c\/span\u003e.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003ca style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" title=\"Linear Slot Diffuser - 25mm wide opening - 1 Slot Vent Covers\" href=\"https:\/\/www.linearairdiffusers.com\/collections\/linear-slot-diffuser-1-slot-with-25mm-slot-opening\" target=\"_blank\"\u003eNeed more airflow? See the enhanced airflow 1-slot diffuser\u003c\/a\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/fwasd19-1-vs-fwasd25-1-linear-slot-diffuser-comparison-commercial-hvac.jpg?v=1780706496\" title=\"High Resolution of Comparison Table (FWASD19-1 VS. FWASD25-1)\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/fwasd19-1-vs-fwasd25-1-linear-slot-diffuser-comparison-commercial-hvac.jpg?v=1780706496\" alt=\"Commercial HVAC linear slot diffuser comparison between FWASD19-1 and FWASD25-1 featuring 3\/4 inch and 1 inch slot widths, airflow efficiency improvements, reduced pressure loss, quieter operation, showroom demonstration availability, and applications for commercial buildings and custom residential homes.\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" alt=\"Flo-Matrix HVAC vent cover with built-in weather foam strip compared to standard vent covers without foam gasket, showing improved air seal, reduced dust streaks, cleaner ceilings, better airflow efficiency, and lower maintenance requirements for residential and commercial HVAC applications.\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781729213\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003ca rel=\"noopener\" title=\"High Resolution of Professional HVAC Diffusers vs Mass Produced Diffusers | Quality Comparison Guide\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\" alt=\"Flo-Matrix HVAC professional-grade linear slot diffusers and air grilles compared to mass-produced generic store diffusers, highlighting T5 aluminum construction, superior airflow performance, expert technical support, custom manufacturing options, commercial project experience, showroom availability, and long-term HVAC performance benefits.\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eSubmittal\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Linear Slot Diffuser (one slot) Submittal Sheet High Resolution PDF Download\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Linear_Slot_Diffuser_1-slot_submittal_high_resolution_download.pdf?v=1750363158\" target=\"_blank\"\u003eClick here to download a high resolution of this submittal sheet\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"Linear Slot Diffuser -1-slot submittal\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-1-slot-submittal-flomatrix-hvac_c1126db3-e0c7-42f5-91d0-8835b386d548.jpg?v=1744843355\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eResources\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Linear Slot Diffuser Installation Guide High Resolution Download\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Linear_Slot_Diffuser_Installation_Instructions_High_Resolution.pdf?v=1759781403\" target=\"_blank\"\u003eLinear Slot Diffuser Installation Guide Download\u003c\/a\u003e\u003ca style=\"color: rgb(37, 150, 190);\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/19mm-vs-25mm-linear-slot-diffusers-a-quick-guide-for-hvac-pros-homeowners\" title=\"19mm vs. 25mm Linear Slot Diffusers: A Quick Guide for HVAC Pros \u0026amp; Homeowners\" rel=\"noopener noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca style=\"color: rgb(37, 150, 190);\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/19mm-vs-25mm-linear-slot-diffusers-a-quick-guide-for-hvac-pros-homeowners\" title=\"19mm vs. 25mm Linear Slot Diffusers: A Quick Guide for HVAC Pros \u0026amp; Homeowners\" rel=\"noopener noreferrer\" target=\"_blank\"\u003eOur Guide to 19mm VS. 25mm Slot Width Differences\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/linear-slot-diffusers-smart-choice-for-modern-hvac-systems\" title=\"Linear Slot Diffusers: The Smart Choice for Modern HVAC Systems\" rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eLinear Slot Diffusers: The Smart Choice for Modern HVAC Systems\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/why-6063-t5-aluminum-is-great-for-linear-slot-diffuser-vent-covers\" title=\"Why 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\" rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eWhy 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Linear Slot Diffuser Upgrade: A Guide for Retrofit vs. New Construction\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/linear-slot-diffuser-upgrade-retrofit-vs-new-construction\" target=\"_blank\"\u003eLinear Slot Diffuser: A Guide for Retrofit vs. New Construction\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca style=\"color: rgb(37, 150, 190);\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/cfd-airflow-analysis-hvac-design\" title=\"CFD Airflow Analysis Services for Smarter HVAC Design\" rel=\"noopener noreferrer\" target=\"_blank\"\u003eCFD Airflow Analysis Services for Smarter HVAC Design\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eWhat Makes a Grille, Register, or Diffuser \"Commercial Grade\"?\u003c\/h4\u003e\n\u003cp\u003eTrue commercial-grade GRD products provide architects, engineers, and HVAC professionals with the complete technical data needed for precise project specification. This includes detailed information on material composition and comprehensive performance metrics like flow rates, pressure drop, and noise criteria (NC).\u003c\/p\u003e\n\u003cp\u003eAll our products are rigorously tested in accordance with ADC1062:GRD-84 and the ASHRAE 70-2006 standards. We leverage computational fluid dynamics (CFD) and modern testing to continuously refine our designs for optimal performance and energy efficiency.\u003c\/p\u003e\n\u003cp\u003eSince 1997, we have been a trusted manufacturer of high-quality linear slot diffusers (from 1 to 12 slots) for the commercial HVAC industry. For project-specific questions and expert guidance, please \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca style=\"color: rgb(37, 150, 190);\" rel=\"noopener noreferrer\" title=\"Contact Us Form\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" target=\"_blank\"\u003econtact our product specialists\u003c\/a\u003e\u003c\/span\u003e\u003ca rel=\"noopener noreferrer\" title=\"Contact Us Form\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" target=\"_blank\"\u003e\u003c\/a\u003e at +1-604-437-1527.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eVideos\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eShowcase Video of Product - 1 Slot Linear Diffuser\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/7_HLSGJ1dE4?si=EY4zvH8u9dC4YY6Y\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eDemonstration of airflow direction adjustment - 1 Slot Linear Diffuser\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/1Ugg_bT9wDY?si=EHqofWnvuq2Knfv8\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eHow to insert a linear slot diffuser into a plenum\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/HFvCaQcs1rE?si=nYvC4-UoWcE1fsiu\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eLinear Slot Diffuser Smoke Test (Vertical Throw) Video - 1 Slot\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/wzy7QBMM3n0\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eLinear Slot Diffuser Smoke Test (Horizontal Throw) Video - 1 Slot\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/nMeJOL_9g-M\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eVideos of previous custom plenums\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/5kEmsTcA2uE?si=SBMMXiQkfyDlC7Ob\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/gqC7IVD_kbY?si=araziY9knWlseHoy\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eOur retail store showroom - Greater Vancouver, Canada\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/YeWxWnvc0pw?si=qV2UAJzkCEX6TARr\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"Linear Air Diffusers","offers":[{"title":"Default Title","offer_id":42124684427427,"sku":"FWASD19-1\/76W\/434L\/005","price":32.58,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-16-inch-1-slot-black-frontview-flomatrix-hvac.jpg?v=1744837862"},{"product_id":"20-linear-slot-diffuser-1-slot-with-19mm-slot-opening-hvac-vent-cover-matte-black-finish-wasd19-1","title":"20\" Linear Slot Diffuser Vent Cover (1 Slot with 19mm Opening) - Matte Black - FLO-MATRIX HVAC","description":"\u003ch5\u003eDetails\u003c\/h5\u003e\n\u003cdiv\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003eThis 20-inch linear slot diffuser brings both form and function to your space with its sleek matte black finish. Unlike flimsy alternatives, it's built from solid extruded aluminum - the same material architects specify for high-traffic commercial projects. Whether you need consistent airflow in office spaces or precision control for VAV systems, the 19mm slot opening with 180-degree adjustable blades delivers. Check out our smoke test video in the videos section to see the airflow in action. \u003cstrong\u003eWe recommend installation by HVAC professionals for best results.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Size \u0026amp; Design:\u003c\/strong\u003e Features a clean 20\" x 1.5\" nominal size with a sharp ¾\" (19mm) slot opening for a sleek, modern aesthetic. (\u003cem\u003ePlease refer to the size diagram for detailed dimensions\u003c\/em\u003e).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEliminates Ceiling Smudges: \u003c\/strong\u003eAn integrated weather-stripping seal prevents air leakage, protecting your ceiling from unsightly dust marks and ensuring all air is directed through the diffuser.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable, Commercial-Grade Construction: \u003c\/strong\u003eBuilt from heavy-duty \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/why-6063-t5-aluminum-is-great-for-linear-slot-diffuser-vent-covers\" title=\"Why 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003e6063-T5 architectural-grade aluminum\u003c\/a\u003e\u003c\/span\u003e with a tough powder coat finish and reinforced Tig welds to resist cracking, chipping, and bending for a lifetime of performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSleek, Flawless Finish:\u003c\/strong\u003e Finished in a sophisticated matte black powder coat, chosen for its superb durability and high resistance to corrosion and everyday wear.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClean, Minimalist Installation:\u003c\/strong\u003e Designed for a flawless look with no visible screw holes. Fastening points are discreetly located on the inner border sides. (Note: Fasteners are not included).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMatching Plenum:\u003c\/strong\u003e \u003cspan style=\"color: rgb(31, 33, 36);\"\u003ePair this linear slot diffuser with our \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Matching Custom Linear Slot Diffuser Plenum (20x2)\" href=\"https:\/\/www.linearairdiffusers.com\/products\/20x2-plenums-fxp\" target=\"_blank\"\u003ecustomizable 20x2 Plenums FXP Series\u003c\/a\u003e\u003c\/span\u003e (sold separately) to perfectly match your HVAC system's requirements. \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener noreferrer\" title=\"Video of our plenums for linear slot diffusers air vent covers.\" href=\"https:\/\/youtu.be\/gqC7IVD_kbY?si=1LF7UVkcdi3Q07_p\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eWatch our plenums intro video\u003c\/a\u003e\u003c\/span\u003e or click \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/pages\/custom-hvac-plenums\" title=\"Custom Plenum Box - Built to your specifications by Flo-Matrix HVAC\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003ehere to learn more about our custom plenums\u003c\/a\u003e\u003c\/span\u003e.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShips worldwide from our Vancouver, Canada facility. Local pickup is also available at our showroom.\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg style=\"float: none;\" alt=\"Full dimensions of a black 20-inch 1-slot linear diffuser with 19mm openings for precision airflow in commercial HVAC systems\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-20-inch-1-slot-black-fulldimensions-flomatrix-hvac.jpg?v=1744839944\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003eNeed custom sizes?\u003cstrong\u003e \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/pages\/linear-slot-diffuser-quote-request\" title=\"Request a Quote for Linear Slot Diffusers\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eRequest a quote for custom linear slot diffusers and plenums\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e to get pricing, lead times, and support for your project.\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg style=\"margin-bottom: 16px; float: none;\" alt=\"Black linear slot diffuser installed above a modern fireplace in a contemporary living room\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Linear_Slot_Diffuser_black_installed_photo.jpg?v=1780354693\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003ch5\u003ePerformance\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ctable style=\"width: 500px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003ctd style=\"width: 204.035px; height: 19px;\"\u003e\u003cb\u003e\u003cspan\u003ePerformance Data\u003c\/span\u003e\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; height: 19px;\"\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 157px; height: 19px;\"\u003e\u003cb\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/b\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 40px;\"\u003e\n\u003ctd style=\"width: 204.035px; text-align: center; height: 40px;\"\u003e\n\u003cp\u003e\u003cem\u003eFlow Rate\u003c\/em\u003e\u003cem\u003e\u003cspan\u003e \u003c\/span\u003e(CFM)\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; text-align: center; height: 40px;\"\u003e\u003cem\u003e Static Pressure (in.wg)\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 157px; text-align: center; height: 40px;\"\u003e\u003cem\u003eNoise Level (NC)\u003c\/em\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 59.3578px;\"\u003e\n\u003ctd style=\"width: 204.035px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e72\u003cbr\u003e100\u003cbr\u003e145\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e0.11\u003cbr\u003e0.20\u003cbr\u003e0.41\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 157px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e20\u003cbr\u003e30\u003cbr\u003e40\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ctable width=\"100%\" style=\"height: 169.156px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 169.156px;\"\u003e\n\u003ctd style=\"height: 169.156px;\"\u003e\n\u003cp\u003e  * Flow rate (CFM) and static pressure (in.wg) are interrelated. It is crucial to know your HVAC system total or static pressure when choosing the proper GRD for optimal performance.\u003c\/p\u003e\n\u003cp\u003e* Performance data independently verified by a globally recognized third-party testing facility. Tested to ADC1062:GRD-84 and ASHRAE 70-2006 standards. CFD and modern testing ensure optimal performance and energy efficiency. For complete performance data, please \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Contact Flo-Matrix HVAC\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" target=\"_blank\"\u003econtact us\u003c\/a\u003e\u003c\/span\u003e.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003ca style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" title=\"Linear Slot Diffuser - 25mm wide opening - 1 Slot Vent Covers\" href=\"https:\/\/www.linearairdiffusers.com\/collections\/linear-slot-diffuser-1-slot-with-25mm-slot-opening\" target=\"_blank\"\u003eNeed more airflow? See the enhanced airflow 1-slot diffuser\u003c\/a\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/fwasd19-1-vs-fwasd25-1-linear-slot-diffuser-comparison-commercial-hvac.jpg?v=1780706496\" title=\"High Resolution of Comparison Table (FWASD19-1 VS. FWASD25-1)\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/fwasd19-1-vs-fwasd25-1-linear-slot-diffuser-comparison-commercial-hvac.jpg?v=1780706496\" alt=\"Commercial HVAC linear slot diffuser comparison between FWASD19-1 and FWASD25-1 featuring 3\/4 inch and 1 inch slot widths, airflow efficiency improvements, reduced pressure loss, quieter operation, showroom demonstration availability, and applications for commercial buildings and custom residential homes.\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" alt=\"Flo-Matrix HVAC vent cover with built-in weather foam strip compared to standard vent covers without foam gasket, showing improved air seal, reduced dust streaks, cleaner ceilings, better airflow efficiency, and lower maintenance requirements for residential and commercial HVAC applications.\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781729213\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003ca rel=\"noopener\" title=\"High Resolution of Professional HVAC Diffusers vs Mass Produced Diffusers | Quality Comparison Guide\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\" alt=\"Flo-Matrix HVAC professional-grade linear slot diffusers and air grilles compared to mass-produced generic store diffusers, highlighting T5 aluminum construction, superior airflow performance, expert technical support, custom manufacturing options, commercial project experience, showroom availability, and long-term HVAC performance benefits.\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5 style=\"text-align: left;\"\u003eSubmittal\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Linear Slot Diffuser (one slot) Submittal Sheet High Resolution PDF Download\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Linear_Slot_Diffuser_1-slot_submittal_high_resolution_download.pdf?v=1750363158\" target=\"_blank\"\u003eClick here to download a high resolution of this submittal sheet\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg alt=\"Linear Slot Diffuser -1-slot submittal\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-1-slot-submittal-flomatrix-hvac_c1126db3-e0c7-42f5-91d0-8835b386d548.jpg?v=1744843355\"\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eResources\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Linear Slot Diffuser Installation Guide High Resolution Download\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Linear_Slot_Diffuser_Installation_Instructions_High_Resolution.pdf?v=1759781403\" target=\"_blank\"\u003eLinear Slot Diffuser Installation Guide Download\u003c\/a\u003e\u003ca style=\"color: rgb(37, 150, 190);\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/19mm-vs-25mm-linear-slot-diffusers-a-quick-guide-for-hvac-pros-homeowners\" title=\"19mm vs. 25mm Linear Slot Diffusers: A Quick Guide for HVAC Pros \u0026amp; Homeowners\" rel=\"noopener noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca style=\"color: rgb(37, 150, 190);\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/19mm-vs-25mm-linear-slot-diffusers-a-quick-guide-for-hvac-pros-homeowners\" title=\"19mm vs. 25mm Linear Slot Diffusers: A Quick Guide for HVAC Pros \u0026amp; Homeowners\" rel=\"noopener noreferrer\" target=\"_blank\"\u003eOur Guide to 19mm VS. 25mm Slot Width Differences\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/linear-slot-diffusers-smart-choice-for-modern-hvac-systems\" title=\"Linear Slot Diffusers: The Smart Choice for Modern HVAC Systems\" rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eLinear Slot Diffusers: The Smart Choice for Modern HVAC Systems\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/why-6063-t5-aluminum-is-great-for-linear-slot-diffuser-vent-covers\" title=\"Why 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\" rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eWhy 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Linear Slot Diffuser Upgrade: A Guide for Retrofit vs. New Construction\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/linear-slot-diffuser-upgrade-retrofit-vs-new-construction\" target=\"_blank\"\u003eLinear Slot Diffuser: A Guide for Retrofit vs. New Construction\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca style=\"color: rgb(37, 150, 190);\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/cfd-airflow-analysis-hvac-design\" title=\"CFD Airflow Analysis Services for Smarter HVAC Design\" rel=\"noopener noreferrer\" target=\"_blank\"\u003eCFD Airflow Analysis Services for Smarter HVAC Design\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eWhat Makes a Grille, Register, or Diffuser \"Commercial Grade\"?\u003c\/h4\u003e\n\u003cp\u003eTrue commercial-grade GRD products provide architects, engineers, and HVAC professionals with the complete technical data needed for precise project specification. This includes detailed information on material composition and comprehensive performance metrics like flow rates, pressure drop, and noise criteria (NC).\u003c\/p\u003e\n\u003cp\u003eAll our products are rigorously tested in accordance with ADC1062:GRD-84 and the ASHRAE 70-2006 standards. We leverage computational fluid dynamics (CFD) and modern testing to continuously refine our designs for optimal performance and energy efficiency.\u003c\/p\u003e\n\u003cp\u003eSince 1997, we have been a trusted manufacturer of high-quality linear slot diffusers (from 1 to 12 slots) for the commercial HVAC industry. For project-specific questions and expert guidance, please \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca style=\"color: rgb(37, 150, 190);\" rel=\"noopener noreferrer\" title=\"Contact Us Form\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" target=\"_blank\"\u003econtact our product specialists\u003c\/a\u003e\u003c\/span\u003e\u003ca rel=\"noopener noreferrer\" title=\"Contact Us Form\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" target=\"_blank\"\u003e\u003c\/a\u003e at +1-604-437-1527.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eVideos\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eShowcase Video of Product - 1 Slot Linear Diffuser\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/7_HLSGJ1dE4?si=EY4zvH8u9dC4YY6Y\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eDemonstration of airflow direction adjustment - 1 Slot Linear Diffuser\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/1Ugg_bT9wDY?si=EHqofWnvuq2Knfv8\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eHow to insert a linear slot diffuser into a plenum\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/HFvCaQcs1rE?si=nYvC4-UoWcE1fsiu\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eLinear Slot Diffuser Smoke Test (Vertical Throw) Video - 1 Slot\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/wzy7QBMM3n0\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eLinear Slot Diffuser Smoke Test (Horizontal Throw) Video - 1 Slot\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/nMeJOL_9g-M\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eVideos of previous custom plenums\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/5kEmsTcA2uE?si=SBMMXiQkfyDlC7Ob\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/gqC7IVD_kbY?si=araziY9knWlseHoy\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eOur retail store showroom - Greater Vancouver, Canada\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/YeWxWnvc0pw?si=qV2UAJzkCEX6TARr\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"Linear Air Diffusers","offers":[{"title":"Default Title","offer_id":42134366159011,"sku":"FWASD19-1\/76W\/536L\/005","price":38.27,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-20-inch-1-slot-black-frontview-flomatrix-hvac.jpg?v=1744839944"},{"product_id":"32-linear-slot-diffuser-1-slot-with-19mm-slot-opening-hvac-vent-cover-matte-black-finish-wasd19-1","title":"32\" Linear Slot Diffuser Vent Cover (1 Slot with 19mm Opening) - Matte Black - FLO-MATRIX HVAC","description":"\u003ch5\u003e\u003cspan\u003eDetails\u003c\/span\u003e\u003c\/h5\u003e\n\u003cdiv\u003e\n\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003eThis 32-inch linear slot diffuser brings both form and function to your space with its sleek matte black finish. Unlike flimsy alternatives, it's built from solid extruded aluminum - the same material architects specify for high-traffic commercial projects. Whether you need consistent airflow in office spaces or precision control for VAV systems, the 19mm slot opening with 180-degree adjustable blades delivers. Check out our smoke test video in the videos section to see the airflow in action. \u003cstrong\u003eWe recommend installation by HVAC professionals for best results.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Size \u0026amp; Design:\u003c\/strong\u003e Features a clean 32\" x 1.5\" nominal size with a sharp ¾\" (19mm) slot opening for a sleek, modern aesthetic. (\u003cem\u003ePlease refer to the size diagram for detailed dimensions\u003c\/em\u003e).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEliminates Ceiling Smudges: \u003c\/strong\u003eAn integrated weather-stripping seal prevents air leakage, protecting your ceiling from unsightly dust marks and ensuring all air is directed through the diffuser.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable, Commercial-Grade Construction: \u003c\/strong\u003eBuilt from heavy-duty \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/why-6063-t5-aluminum-is-great-for-linear-slot-diffuser-vent-covers\" title=\"Why 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003e6063-T5 architectural-grade aluminum\u003c\/a\u003e\u003c\/span\u003e with a tough powder coat finish and reinforced Tig welds to resist cracking, chipping, and bending for a lifetime of performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSleek, Flawless Finish:\u003c\/strong\u003e Finished in a sophisticated matte black powder coat, chosen for its superb durability and high resistance to corrosion and everyday wear.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClean, Minimalist Installation:\u003c\/strong\u003e Designed for a flawless look with no visible screw holes. Fastening points are discreetly located on the inner border sides. (Note: Fasteners are not included).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustom Airflow Solutions:\u003c\/strong\u003e \u003cspan style=\"color: rgb(31, 33, 36);\"\u003ePair this diffuser with a \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener noreferrer\" title=\"Custom Plenum Box - Built to your specifications by Flo-Matrix HVAC\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/custom-hvac-plenums\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003ecustomizable plenum box\u003c\/a\u003e\u003c\/span\u003e (sold separately) to perfectly match your HVAC system's requirements. \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener noreferrer\" title=\"Video of our plenums for linear slot diffusers air vent covers.\" href=\"https:\/\/youtu.be\/gqC7IVD_kbY?si=1LF7UVkcdi3Q07_p\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eWatch our plenums intro video\u003c\/a\u003e\u003c\/span\u003e to learn more.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShips worldwide from our Vancouver, Canada facility. Local pickup is also available at our showroom.\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-32-inch-1-slot-black-fulldimensions-flomatrix-hvac.jpg?v=1744841338\" alt=\"Full dimensions of a black 32-inch 1-slot linear diffuser with 19mm openings for precision airflow in commercial HVAC systems\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eNeed custom sizes?\u003cstrong\u003e \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Request a Quote for Linear Slot Diffusers\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/linear-slot-diffuser-quote-request\" target=\"_blank\"\u003eRequest a quote for custom linear slot diffusers and plenums\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e to get pricing, lead times, and support for your project.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg style=\"float: none;\" alt=\"Black linear slot diffuser installed above a modern fireplace in a contemporary living room\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Linear_Slot_Diffuser_black_installed_photo.jpg?v=1780354693\"\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003ePerformance\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ctable style=\"width: 500px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003ctd style=\"width: 204.035px; height: 19px;\"\u003e\u003cb\u003e\u003cspan\u003ePerformance Data\u003c\/span\u003e\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; height: 19px;\"\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 157px; height: 19px;\"\u003e\u003cb\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/b\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 40px;\"\u003e\n\u003ctd style=\"width: 204.035px; text-align: center; height: 40px;\"\u003e\n\u003cp\u003e\u003cem\u003eFlow Rate\u003c\/em\u003e\u003cem\u003e\u003cspan\u003e \u003c\/span\u003e(CFM)\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; text-align: center; height: 40px;\"\u003e\u003cem\u003e Static Pressure (in.wg)\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 157px; text-align: center; height: 40px;\"\u003e\u003cem\u003eNoise Level (NC)\u003c\/em\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 59.3578px;\"\u003e\n\u003ctd style=\"width: 204.035px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e116\u003cbr\u003e160\u003cbr\u003e233\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e0.11\u003cbr\u003e0.20\u003cbr\u003e0.41\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 157px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e20\u003cbr\u003e30\u003cbr\u003e40\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e  * Flow rate (CFM) and static pressure (in.wg) are interrelated. It is crucial to know your HVAC system total or static pressure when choosing the proper GRD for optimal performance.\u003c\/p\u003e\n\u003cp\u003e* Performance data independently verified by a globally recognized third-party testing facility. Tested to ADC1062:GRD-84 and ASHRAE 70-2006 standards. CFD and modern testing ensure optimal performance and energy efficiency. For complete performance data, please \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Contact Flo-Matrix HVAC\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" target=\"_blank\"\u003econtact us\u003c\/a\u003e\u003c\/span\u003e.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003ca style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" title=\"Linear Slot Diffuser - 25mm wide opening - 1 Slot Vent Covers\" href=\"https:\/\/www.linearairdiffusers.com\/collections\/linear-slot-diffuser-1-slot-with-25mm-slot-opening\" target=\"_blank\"\u003eNeed more airflow? See the enhanced airflow 1-slot diffuser\u003c\/a\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/fwasd19-1-vs-fwasd25-1-linear-slot-diffuser-comparison-commercial-hvac.jpg?v=1780706496\" title=\"High Resolution of Comparison Table (FWASD19-1 VS. FWASD25-1)\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/fwasd19-1-vs-fwasd25-1-linear-slot-diffuser-comparison-commercial-hvac.jpg?v=1780706496\" alt=\"Commercial HVAC linear slot diffuser comparison between FWASD19-1 and FWASD25-1 featuring 3\/4 inch and 1 inch slot widths, airflow efficiency improvements, reduced pressure loss, quieter operation, showroom demonstration availability, and applications for commercial buildings and custom residential homes.\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" alt=\"Flo-Matrix HVAC vent cover with built-in weather foam strip compared to standard vent covers without foam gasket, showing improved air seal, reduced dust streaks, cleaner ceilings, better airflow efficiency, and lower maintenance requirements for residential and commercial HVAC applications.\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781729213\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003ca rel=\"noopener\" title=\"High Resolution of Professional HVAC Diffusers vs Mass Produced Diffusers | Quality Comparison Guide\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\" alt=\"Flo-Matrix HVAC professional-grade linear slot diffusers and air grilles compared to mass-produced generic store diffusers, highlighting T5 aluminum construction, superior airflow performance, expert technical support, custom manufacturing options, commercial project experience, showroom availability, and long-term HVAC performance benefits.\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eSubmittal\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Linear Slot Diffuser (one slot) Submittal Sheet High Resolution PDF Download\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Linear_Slot_Diffuser_1-slot_submittal_high_resolution_download.pdf?v=1750363158\" target=\"_blank\"\u003eClick here to download a high resolution of this submittal sheet\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"Linear Slot Diffuser -1-slot submittal\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-1-slot-submittal-flomatrix-hvac_c1126db3-e0c7-42f5-91d0-8835b386d548.jpg?v=1744843355\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eResources\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Linear Slot Diffuser Installation Guide High Resolution Download\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Linear_Slot_Diffuser_Installation_Instructions_High_Resolution.pdf?v=1759781403\" target=\"_blank\"\u003eLinear Slot Diffuser Installation Guide Download\u003c\/a\u003e\u003ca style=\"color: rgb(37, 150, 190);\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/19mm-vs-25mm-linear-slot-diffusers-a-quick-guide-for-hvac-pros-homeowners\" title=\"19mm vs. 25mm Linear Slot Diffusers: A Quick Guide for HVAC Pros \u0026amp; Homeowners\" rel=\"noopener noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca style=\"color: rgb(37, 150, 190);\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/19mm-vs-25mm-linear-slot-diffusers-a-quick-guide-for-hvac-pros-homeowners\" title=\"19mm vs. 25mm Linear Slot Diffusers: A Quick Guide for HVAC Pros \u0026amp; Homeowners\" rel=\"noopener noreferrer\" target=\"_blank\"\u003eOur Guide to 19mm VS. 25mm Slot Width Differences\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/linear-slot-diffusers-smart-choice-for-modern-hvac-systems\" title=\"Linear Slot Diffusers: The Smart Choice for Modern HVAC Systems\" rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eLinear Slot Diffusers: The Smart Choice for Modern HVAC Systems\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/why-6063-t5-aluminum-is-great-for-linear-slot-diffuser-vent-covers\" title=\"Why 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\" rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eWhy 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Linear Slot Diffuser Upgrade: A Guide for Retrofit vs. New Construction\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/linear-slot-diffuser-upgrade-retrofit-vs-new-construction\" target=\"_blank\"\u003eLinear Slot Diffuser: A Guide for Retrofit vs. New Construction\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca style=\"color: rgb(37, 150, 190);\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/cfd-airflow-analysis-hvac-design\" title=\"CFD Airflow Analysis Services for Smarter HVAC Design\" rel=\"noopener noreferrer\" target=\"_blank\"\u003eCFD Airflow Analysis Services for Smarter HVAC Design\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eWhat Makes a Grille, Register, or Diffuser \"Commercial Grade\"?\u003c\/h4\u003e\n\u003cp\u003eTrue commercial-grade GRD products provide architects, engineers, and HVAC professionals with the complete technical data needed for precise project specification. This includes detailed information on material composition and comprehensive performance metrics like flow rates, pressure drop, and noise criteria (NC).\u003c\/p\u003e\n\u003cp\u003eAll our products are rigorously tested in accordance with ADC1062:GRD-84 and the ASHRAE 70-2006 standards. We leverage computational fluid dynamics (CFD) and modern testing to continuously refine our designs for optimal performance and energy efficiency.\u003c\/p\u003e\n\u003cp\u003eSince 1997, we have been a trusted manufacturer of high-quality linear slot diffusers (from 1 to 12 slots) for the commercial HVAC industry. For project-specific questions and expert guidance, please \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca style=\"color: rgb(37, 150, 190);\" rel=\"noopener noreferrer\" title=\"Contact Us Form\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" target=\"_blank\"\u003econtact our product specialists\u003c\/a\u003e\u003c\/span\u003e\u003ca rel=\"noopener noreferrer\" title=\"Contact Us Form\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" target=\"_blank\"\u003e\u003c\/a\u003e at +1-604-437-1527.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eVideos\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eShowcase Video of Product - 1 Slot Linear Diffuser\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/7_HLSGJ1dE4?si=EY4zvH8u9dC4YY6Y\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eDemonstration of airflow direction adjustment - 1 Slot Linear Diffuser\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/1Ugg_bT9wDY?si=EHqofWnvuq2Knfv8\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eHow to insert a linear slot diffuser into a plenum\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/HFvCaQcs1rE?si=nYvC4-UoWcE1fsiu\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eLinear Slot Diffuser Smoke Test (Vertical Throw) Video - 1 Slot\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/wzy7QBMM3n0\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eLinear Slot Diffuser Smoke Test (Horizontal Throw) Video - 1 Slot\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/nMeJOL_9g-M\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eVideos of previous custom plenums\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/5kEmsTcA2uE?si=SBMMXiQkfyDlC7Ob\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/gqC7IVD_kbY?si=araziY9knWlseHoy\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eOur retail store showroom - Greater Vancouver, Canada\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/YeWxWnvc0pw?si=qV2UAJzkCEX6TARr\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"Linear Air Diffusers","offers":[{"title":"Default Title","offer_id":42134386409635,"sku":"FWASD19-1\/76W\/841L\/005","price":59.85,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-32-inch-1-slot-black-frontview-flomatrix-hvac.jpg?v=1744841318"},{"product_id":"36-mud-in-flange-linear-slot-diffuser-1-slot-with-25mm-slot-opening-hvac-vent-cover-matte-black-finish-wasd25-1","title":"36\" Mud In Flange (Flush Installation) Linear Slot Diffuser - Drywall Mudding Vent Cover - Black - FLO-MATRIX HVAC","description":"\u003cdiv\u003e\n\u003ch5\u003eDetails\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ctable height=\"30\" style=\"width: 100%;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 100%;\"\u003e\n\u003ch3 style=\"text-align: center;\"\u003e\u003cspan style=\"color: #2b00ff;\"\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca title=\"Mud In Flange Linear Slot Diffuser Installation Guide (WASD250101B)\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/INSTALLATION_INSTRUCTIONS_WASD250101B_mud_in_-V2_LAD.pdf?v=1677316134\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eMud In Flange Linear Slot Diffuser Installation Guide Download\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp\u003eCrafted from heavy-gauge aluminum, this black 36\" mud-in slot diffuser delivers precise airflow control for both standard and VAV systems. The 25mm adjustable blade design ensures optimal performance while maintaining structural integrity.  \u003c\/p\u003e\n\u003cp\u003eThese premium quality flush-mount units integrate seamlessly with drywall finishes. Cheaper alternatives often suffer from warped frames, noisy airflow, or cracking during installation - issues that require costly wall repairs.  \u003c\/p\u003e\n\u003cp\u003eSpecified by discerning HVAC professionals, our diffusers combine durable construction with clean aesthetics for lasting performance. Their embedded design makes initial quality selection crucial, as replacements mean significant drywall demolition.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePlease watch our smoke test video for air distribution performance. We recommend installation by professionals for this product.\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Size: \u003c\/strong\u003e36\" x 2\" (nominal). \u003cem\u003ePlease consult our detailed size chart for exact dimensions and cutout specifications\u003c\/em\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Capacity 1\" Airflow:\u003c\/strong\u003e The wide 25mm (1-inch) slot opening is engineered to move a greater volume of air more efficiently than standard 19mm slots.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeamless Flush-Mount Finish:\u003c\/strong\u003e A ribbed border allows for easy concealment with drywall filler, enabling a clean, built-in look that blends into your ceiling.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClean, Minimalist Aesthetic:\u003c\/strong\u003e Achieved with no visible screw holes after mudded in; additional fastening is also done discreetly on the inner border for a flawless profile (fasteners not included).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eArchitectural-Grade Material:\u003c\/strong\u003e Constructed from \u003ca href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/why-6063-t5-aluminum-is-great-for-linear-slot-diffuser-vent-covers\" title=\"Why 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\" rel=\"noopener\" target=\"_blank\"\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e6063-T5 Grade extruded aluminum\u003c\/span\u003e\u003c\/a\u003e, the architectural alloy known for its excellent strength, superb finish quality, and high corrosion resistance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Matte Black Finish:\u003c\/strong\u003e Features a hard-wearing powder coated finish that resists scratching, and wear.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUltimate Versatility:\u003c\/strong\u003e Functions perfectly as both a supply or return air terminal for flexible system design.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtensive Customization: \u003c\/strong\u003eAvailable with mitered corners, custom angles, and tailored lengths to fit any project specification.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplete Project Support:\u003c\/strong\u003e \u003ca href=\"https:\/\/www.linearairdiffusers.com\/pages\/cfd-airflow-analysis-hvac-design\" title=\"CFD Airflow Analysis Services for Smarter HVAC Design\" rel=\"noopener\" target=\"_blank\"\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003eCAD (DWG) and BIM (Revit) models\u003c\/span\u003e\u003c\/a\u003e are available upon request to streamline your design and installation process.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExpert Quotes: \u003c\/strong\u003eReceive a personalized project quote based on your specific drawings and requirements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptimized Performance:\u003c\/strong\u003e Pair with a \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/pages\/custom-hvac-plenums\" title=\"Custom Plenum Box - Built to your specifications by Flo-Matrix HVAC\" rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003ecustomizable plenum box\u003c\/a\u003e\u003c\/span\u003e (sold separately) to ensure ideal airflow and system efficiency.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShips worldwide from our Vancouver, Canada facility. Local pickup is also available at our showroom.\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eNeed custom sizes?\u003cstrong\u003e \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/pages\/linear-slot-diffuser-quote-request\" title=\"Request a Quote for Linear Slot Diffusers\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eRequest a quote for custom linear slot diffusers and plenums\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e to get pricing, lead times, and support for your project.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Mud-In_Linear_Slot_Diffuser_long_black_Installed_Photo.jpg?v=1780354694\" alt=\"Black mud-in linear slot diffuser seamlessly blended into ceiling for balanced air distribution and clean aesthetics\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003ePerformance\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ctable style=\"width: 500px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003ctd style=\"width: 204.035px; height: 19px;\"\u003e\u003cb\u003e\u003cspan\u003ePerformance Data\u003c\/span\u003e\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; height: 19px;\"\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 157px; height: 19px;\"\u003e\u003cb\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/b\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 40px;\"\u003e\n\u003ctd style=\"width: 204.035px; text-align: center; height: 40px;\"\u003e\n\u003cp\u003e\u003cem\u003eFlow Rate\u003c\/em\u003e\u003cem\u003e\u003cspan\u003e \u003c\/span\u003e(CFM)\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; text-align: center; height: 40px;\"\u003e\u003cem\u003e Static Pressure (in.wg)\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 157px; text-align: center; height: 40px;\"\u003e\u003cem\u003eNoise Level (NC)\u003c\/em\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 59.3578px;\"\u003e\n\u003ctd style=\"width: 204.035px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e131\u003cbr\u003e206\u003cbr\u003e273\u003cbr\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e0.09\u003cbr\u003e0.21\u003cbr\u003e0.37\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 157px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e20\u003cbr\u003e30\u003cbr\u003e40\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ctable style=\"height: 58.7812px;\" width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 58.7812px;\"\u003e\n\u003ctd style=\"height: 58.7812px;\"\u003e\n\u003cp\u003e  * Flow rate (CFM) and static pressure (in.wg) are interrelated. It is crucial to know your HVAC system total or static pressure when choosing the proper GRD for optimal performance.\u003c\/p\u003e\n\u003cp\u003e* Performance data independently verified by a globally recognized third-party testing facility. Tested to ADC1062:GRD-84 and ASHRAE 70-2006 standards. CFD and modern testing ensure optimal performance and energy efficiency. For complete performance data, please \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Contact Flo-Matrix HVAC\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" target=\"_blank\"\u003econtact us\u003c\/a\u003e\u003c\/span\u003e.\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\" title=\"High Resolution of Professional HVAC Diffusers vs Mass Produced Diffusers | Quality Comparison Guide\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg style=\"margin-bottom: 16px; float: none;\" alt=\"Flo-Matrix HVAC professional-grade linear slot diffusers and air grilles compared to mass-produced generic store diffusers, highlighting T5 aluminum construction, superior airflow performance, expert technical support, custom manufacturing options, commercial project experience, showroom availability, and long-term HVAC performance benefits.\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\"\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eSubmittal\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(43, 0, 255);\"\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca rel=\"noopener\" title=\"Mud-In Linear Slot Diffuser Submittal Sheet High Resolution Download (in imperial \u0026amp; metric)\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/mud-in-linear-slot-diffuser-high-flow-submittal-download.pdf?v=1746737364\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eClick here to download a high resolution of this submittal sheet\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"High Airflow Mud-In Linear Slot Diffuser submittal\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/mud-in-linear-slot-diffuser-high-flow-submittal-flomatrix-hvac.jpg?v=1744930420\"\u003e\u003c\/p\u003e\n\u003ch5\u003e\u003cbr\u003e\u003c\/h5\u003e\n\u003ch5\u003eResources\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #2596be;\"\u003e\u003cb\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/mud-in-linear-slot-diffusers-benefits-for-hvac-contractors-architects-in-canada\" title=\"Mud in Linear Slot Diffusers Canada: Benefits for Architects \u0026amp; Homeowners\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eMud in Linear Slot Diffusers: The Canadian Contractor's Secret for a Flawless Finish\u003c\/a\u003e\u003c\/span\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/mud-in-linear-slot-diffusers-benefits-for-hvac-contractors-architects-in-canada\"\u003e\u003c\/a\u003e\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca rel=\"noopener noreferrer\" title=\"19mm vs. 25mm Linear Slot Diffusers: A Quick Guide for HVAC Pros \u0026amp; Homeowners\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/19mm-vs-25mm-linear-slot-diffusers-a-quick-guide-for-hvac-pros-homeowners\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eOur Guide to 19mm VS. 25mm Slot Width Differences\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" title=\"Linear Slot Diffusers: The Smart Choice for Modern HVAC Systems\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/linear-slot-diffusers-smart-choice-for-modern-hvac-systems\" target=\"_blank\"\u003eLinear Slot Diffusers: The Smart Choice for Modern HVAC Systems\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" title=\"Why 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/why-6063-t5-aluminum-is-great-for-linear-slot-diffuser-vent-covers\" target=\"_blank\"\u003eWhy 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca rel=\"noopener noreferrer\" title=\"CFD Airflow Analysis Services for Smarter HVAC Design\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/cfd-airflow-analysis-hvac-design\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eCFD Airflow Analysis Services for Smarter HVAC Design\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eDefining \"Commercial Grade\" in Air Distribution Products\u003c\/h4\u003e\n\u003cp\u003eWhat truly separates commercial-grade grilles, registers, and diffusers? It's the comprehensive engineering data that allows HVAC professionals and design teams to specify products with absolute confidence. This means full transparency on the materials used and certified performance results for critical factors such as noise generation, airflow volume, and static pressure loss.\u003c\/p\u003e\n\u003cp\u003eTo guarantee this performance, every product is validated against the stringent protocols of ASHRAE 70-2006 and ADC1062:GRD-84. Our R\u0026amp;D process integrates cutting-edge CFD simulations alongside physical testing, ensuring our designs deliver superior efficiency and performance.\u003c\/p\u003e\n\u003cp\u003eWe've been a leading manufacturer of commercial linear slot diffusers (offering 1 to 12 slots) since 1997. Have a project that requires expert insight? \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" title=\"Contact Us Form - Flo-Matrix HVAC\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eOur product specialists are ready to assist you\u003c\/a\u003e\u003c\/span\u003e at +1-604-437-1527.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eVideos\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eMud-In Flange Linear Slot Diffuser Video\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/S6aSgdn6Ke4?si=GjXR7taRzK1ROvhs\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eDemonstration of airflow direction adjustment - 1 Slot Linear Diffuser\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/1Ugg_bT9wDY?si=EHqofWnvuq2Knfv8\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eHow to insert a linear slot diffuser into a plenum\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/HFvCaQcs1rE?si=nYvC4-UoWcE1fsiu\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eLinear Slot Diffuser Smoke Test (Vertical Throw) Video - 1 Slot\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/wzy7QBMM3n0\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eLinear Slot Diffuser Smoke Test (Horizontal Throw) Video - 1 Slot\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/nMeJOL_9g-M\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eVideos of previous custom plenums\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/5kEmsTcA2uE?si=SBMMXiQkfyDlC7Ob\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/gqC7IVD_kbY?si=araziY9knWlseHoy\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eOur retail store showroom - Greater Vancouver, Canada\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/YeWxWnvc0pw?si=qV2UAJzkCEX6TARr\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"Linear Air Diffusers","offers":[{"title":"Default Title","offer_id":42287973171363,"sku":"FWASD250101B\/115W\/978L\/005","price":118.07,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/mud-in-linear-slot-diffuser-high-flow-36-inch-black-frontview-flomatrix-hvac.png?v=1744930420"},{"product_id":"12-mud-in-flange-linear-slot-diffuser-1-slot-with-25mm-slot-opening-hvac-vent-cover-matte-white-finish-wasd25-1","title":"12\" Mud In Flange (Flush Installation) Linear Slot Diffuser - Drywall Mudding Vent Cover - White - FLO-MATRIX HVAC","description":"\u003cdiv\u003e\n\u003ch5\u003eDetails\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ctable height=\"30\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003ch3 style=\"text-align: center;\"\u003e\n\u003cspan style=\"color: #2b00ff;\"\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/span\u003e\u003cspan style=\"color: #2b00ff;\"\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca title=\"Mud In Flange Linear Slot Diffuser Installation Guide (WASD250101B)\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/INSTALLATION_INSTRUCTIONS_WASD250101B_mud_in_-V2_LAD.pdf?v=1677316134\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eMud In Flange Linear Slot Diffuser Installation Guide Download\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\n\u003c\/h3\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp\u003eCrafted from heavy-gauge aluminum, this white 12\" mud-in slot diffuser delivers precise airflow control for both standard and VAV systems. The 25mm adjustable blade design ensures optimal performance while maintaining structural integrity.  \u003c\/p\u003e\n\u003cp\u003eThese premium quality flush-mount units integrate seamlessly with drywall finishes. Cheaper alternatives often suffer from warped frames, noisy airflow, or cracking during installation - issues that require costly wall repairs.  \u003c\/p\u003e\n\u003cp\u003eSpecified by discerning HVAC professionals, our diffusers combine durable construction with clean aesthetics for lasting performance. Their embedded design makes initial quality selection crucial, as replacements mean significant drywall demolition.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePlease watch our smoke test video for air distribution performance. We recommend installation by professionals for this product.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cstrong\u003e \u003c\/strong\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Size: \u003c\/strong\u003e12\" x 2\" (nominal). \u003cem\u003ePlease consult our detailed size chart for exact dimensions and cutout specifications\u003c\/em\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Capacity 1\" Airflow:\u003c\/strong\u003e The wide 25mm (1-inch) slot opening is engineered to move a greater volume of air more efficiently than standard 19mm slots.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeamless Flush-Mount Finish:\u003c\/strong\u003e A ribbed border allows for easy concealment with drywall filler, enabling a clean, built-in look that blends into your ceiling.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClean, Minimalist Aesthetic:\u003c\/strong\u003e Achieved with no visible screw holes after mudded in; additional fastening is also done discreetly on the inner border for a flawless profile (fasteners not included).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eArchitectural-Grade Material:\u003c\/strong\u003e Constructed from \u003ca rel=\"noopener\" title=\"Why 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/why-6063-t5-aluminum-is-great-for-linear-slot-diffuser-vent-covers\" target=\"_blank\"\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e6063-T5 Grade extruded aluminum\u003c\/span\u003e\u003c\/a\u003e, the architectural alloy known for its excellent strength, superb finish quality, and high corrosion resistance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePremium Matte White Protection:\u003c\/strong\u003e Boasting a high-quality matte white powder coat, this finish is engineered to be highly resistant to everyday scratches, corrosion, and the effects of fading.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUltimate Versatility:\u003c\/strong\u003e Functions perfectly as both a supply or return air terminal for flexible system design.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtensive Customization: \u003c\/strong\u003eAvailable with mitered corners, custom angles, and tailored lengths to fit any project specification.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplete Project Support:\u003c\/strong\u003e \u003ca rel=\"noopener\" title=\"CFD Airflow Analysis Services for Smarter HVAC Design\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/cfd-airflow-analysis-hvac-design\" target=\"_blank\"\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003eCAD (DWG) and BIM (Revit) models\u003c\/span\u003e\u003c\/a\u003e are available upon request to streamline your design and installation process.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExpert Quotes: \u003c\/strong\u003eReceive a personalized project quote based on your specific drawings and requirements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMatching Plenum:\u003c\/strong\u003e \u003cspan style=\"color: rgb(31, 33, 36);\"\u003ePair this linear slot diffuser with our \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/products\/12x2-plenum-fxp\" title=\"Matching Custom Linear Slot Diffuser Plenum (12x2)\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003ecustomizable 12x2 Plenums FXP Series\u003c\/a\u003e\u003c\/span\u003e (sold separately) to perfectly match your HVAC system's requirements. \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca style=\"color: rgb(37, 150, 190);\" href=\"https:\/\/youtu.be\/gqC7IVD_kbY?si=1LF7UVkcdi3Q07_p\" title=\"Video of our plenums for linear slot diffusers air vent covers.\" rel=\"noopener noreferrer\" target=\"_blank\"\u003eWatch our plenums intro video\u003c\/a\u003e\u003c\/span\u003e or click \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Custom Plenum Box - Built to your specifications by Flo-Matrix HVAC\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/custom-hvac-plenums\" target=\"_blank\"\u003ehere to learn more about our custom plenums\u003c\/a\u003e\u003c\/span\u003e.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShips worldwide from our Vancouver, Canada facility. Local pickup is also available at our showroom.\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eNeed custom sizes?\u003cstrong\u003e \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/pages\/linear-slot-diffuser-quote-request\" title=\"Request a Quote for Linear Slot Diffusers\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eRequest a quote for custom linear slot diffusers and plenums\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e to get pricing, lead times, and support for your project.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Mud-In_Linear_Slot_Diffuser_medium_white_Installed_Photo.jpg?v=1780354694\" alt=\"White mud-in linear slot diffuser installed in ceiling for seamless HVAC air distribution and flush architectural finish\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003ePerformance\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ctable style=\"width: 500px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003ctd style=\"width: 204.035px; height: 19px;\"\u003e\u003cb\u003e\u003cspan\u003ePerformance Data\u003c\/span\u003e\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; height: 19px;\"\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 157px; height: 19px;\"\u003e\u003cb\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/b\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 40px;\"\u003e\n\u003ctd style=\"width: 204.035px; text-align: center; height: 40px;\"\u003e\n\u003cp\u003e\u003cem\u003eFlow Rate\u003c\/em\u003e\u003cem\u003e\u003cspan\u003e \u003c\/span\u003e(CFM)\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; text-align: center; height: 40px;\"\u003e\u003cem\u003e Static Pressure (in.wg)\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 157px; text-align: center; height: 40px;\"\u003e\u003cem\u003eNoise Level (NC)\u003c\/em\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 59.3578px;\"\u003e\n\u003ctd style=\"width: 204.035px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e43\u003cbr\u003e68\u003cbr\u003e91\u003cbr\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e0.09\u003cbr\u003e0.21\u003cbr\u003e0.37\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 157px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e20\u003cbr\u003e30\u003cbr\u003e40\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e  * Flow rate (CFM) and static pressure (in.wg) are interrelated. It is crucial to know your HVAC system total or static pressure when choosing the proper GRD for optimal performance.\u003c\/p\u003e\n\u003cp\u003e* Performance data independently verified by a globally recognized third-party testing facility. Tested to ADC1062:GRD-84 and ASHRAE 70-2006 standards. CFD and modern testing ensure optimal performance and energy efficiency. For complete performance data, please \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Contact Flo-Matrix HVAC\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" target=\"_blank\"\u003econtact us\u003c\/a\u003e\u003c\/span\u003e.\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\" title=\"High Resolution of Professional HVAC Diffusers vs Mass Produced Diffusers | Quality Comparison Guide\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg style=\"margin-bottom: 16px; float: none;\" alt=\"Flo-Matrix HVAC professional-grade linear slot diffusers and air grilles compared to mass-produced generic store diffusers, highlighting T5 aluminum construction, superior airflow performance, expert technical support, custom manufacturing options, commercial project experience, showroom availability, and long-term HVAC performance benefits.\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\"\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eSubmittal\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(43, 0, 255);\"\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca style=\"color: rgb(37, 150, 190);\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/mud-in-linear-slot-diffuser-high-flow-submittal-download.pdf?v=1746737364\" title=\"Mud-In Linear Slot Diffuser Submittal Sheet High Resolution Download (in imperial \u0026amp; metric)\" rel=\"noopener\" target=\"_blank\"\u003eClick here to download a high resolution of this submittal sheet\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"High Airflow Mud-In Linear Slot Diffuser submittal\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/mud-in-linear-slot-diffuser-high-flow-submittal-flomatrix-hvac.jpg?v=1746218580\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eResources\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #2596be;\"\u003e\u003cb\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/mud-in-linear-slot-diffusers-benefits-for-hvac-contractors-architects-in-canada\" title=\"Mud in Linear Slot Diffusers Canada: Benefits for Architects \u0026amp; Homeowners\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eMud in Linear Slot Diffusers: The Canadian Contractor's Secret for a Flawless Finish\u003c\/a\u003e\u003c\/span\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/mud-in-linear-slot-diffusers-benefits-for-hvac-contractors-architects-in-canada\"\u003e\u003c\/a\u003e\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca rel=\"noopener noreferrer\" title=\"19mm vs. 25mm Linear Slot Diffusers: A Quick Guide for HVAC Pros \u0026amp; Homeowners\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/19mm-vs-25mm-linear-slot-diffusers-a-quick-guide-for-hvac-pros-homeowners\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eOur Guide to 19mm VS. 25mm Slot Width Differences\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" title=\"Linear Slot Diffusers: The Smart Choice for Modern HVAC Systems\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/linear-slot-diffusers-smart-choice-for-modern-hvac-systems\" target=\"_blank\"\u003eLinear Slot Diffusers: The Smart Choice for Modern HVAC Systems\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" title=\"Why 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/why-6063-t5-aluminum-is-great-for-linear-slot-diffuser-vent-covers\" target=\"_blank\"\u003eWhy 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca rel=\"noopener noreferrer\" title=\"CFD Airflow Analysis Services for Smarter HVAC Design\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/cfd-airflow-analysis-hvac-design\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eCFD Airflow Analysis Services for Smarter HVAC Design\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eDefining \"Commercial Grade\" in Air Distribution Products\u003c\/h4\u003e\n\u003cp\u003eWhat truly separates commercial-grade grilles, registers, and diffusers? It's the comprehensive engineering data that allows HVAC professionals and design teams to specify products with absolute confidence. This means full transparency on the materials used and certified performance results for critical factors such as noise generation, airflow volume, and static pressure loss.\u003c\/p\u003e\n\u003cp\u003eTo guarantee this performance, every product is validated against the stringent protocols of ASHRAE 70-2006 and ADC1062:GRD-84. Our R\u0026amp;D process integrates cutting-edge CFD simulations alongside physical testing, ensuring our designs deliver superior efficiency and performance.\u003c\/p\u003e\n\u003cp\u003eWe've been a leading manufacturer of commercial linear slot diffusers (offering 1 to 12 slots) since 1997. Have a project that requires expert insight? \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca style=\"color: rgb(37, 150, 190);\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" title=\"Contact Us Form - Flo-Matrix HVAC\" rel=\"noopener\" target=\"_blank\"\u003eOur product specialists are ready to assist you\u003c\/a\u003e\u003c\/span\u003e at +1-604-437-1527.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eVideos\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eMud-In Flange Linear Slot Diffuser Video\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/S6aSgdn6Ke4?si=GjXR7taRzK1ROvhs\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eDemonstration of airflow direction adjustment - 1 Slot Linear Diffuser\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/1Ugg_bT9wDY?si=EHqofWnvuq2Knfv8\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eHow to insert a linear slot diffuser into a plenum\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/HFvCaQcs1rE?si=nYvC4-UoWcE1fsiu\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eLinear Slot Diffuser Smoke Test (Vertical Throw) Video - 1 Slot\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/wzy7QBMM3n0\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eLinear Slot Diffuser Smoke Test (Horizontal Throw) Video - 1 Slot\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/nMeJOL_9g-M\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eVideos of previous custom plenums\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/5kEmsTcA2uE?si=SBMMXiQkfyDlC7Ob\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/gqC7IVD_kbY?si=araziY9knWlseHoy\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eOur retail store showroom - Greater Vancouver, Canada\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/YeWxWnvc0pw?si=qV2UAJzkCEX6TARr\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"Linear Air Diffusers","offers":[{"title":"Default Title","offer_id":42287979298979,"sku":"FWASD250101B\/115W\/368L\/PCWS02","price":43.42,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/products\/Mudinlinearslotdiffuserswhite-front.png?v=1646440534"},{"product_id":"22-mud-in-flange-linear-slot-diffuser-1-slot-with-25mm-slot-opening-hvac-vent-cover-matte-white-finish-wasd25-1","title":"22\" Mud In Flange (Flush Installation) Linear Slot Diffuser - Drywall Mudding Vent Cover - White - FLO-MATRIX HVAC","description":"\u003ch5\u003eDetails\u003c\/h5\u003e\n\u003cdiv\u003e\n\u003ch3 style=\"text-align: center;\"\u003e\u003cspan style=\"color: #2b00ff;\"\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003ch3 style=\"text-align: center;\"\u003e\u003cspan style=\"color: #2b00ff;\"\u003e\u003cstrong\u003e \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca style=\"color: rgb(37, 150, 190);\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/INSTALLATION_INSTRUCTIONS_WASD250101B_mud_in_-V2_LAD.pdf?v=1677316134\" title=\"Mud In Flange Linear Slot Diffuser Installation Guide (WASD250101B)\" target=\"_blank\"\u003eMud In Flange Linear Slot Diffuser Installation Guide Download\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp\u003eCrafted from heavy-gauge aluminum, this white 22\" mud-in slot diffuser delivers precise airflow control for both standard and VAV systems. The 25mm adjustable blade design ensures optimal performance while maintaining structural integrity.  \u003c\/p\u003e\n\u003cp\u003eThese premium quality flush-mount units integrate seamlessly with drywall finishes. Cheaper alternatives often suffer from warped frames, noisy airflow, or cracking during installation - issues that require costly wall repairs.  \u003c\/p\u003e\n\u003cp\u003eSpecified by discerning HVAC professionals, our diffusers combine durable construction with clean aesthetics for lasting performance. Their embedded design makes initial quality selection crucial, as replacements mean significant drywall demolition.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePlease watch our smoke test video for air distribution performance. We recommend installation by professionals for this product.\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Size: \u003c\/strong\u003e22\" x 2\" (nominal). \u003cem\u003ePlease consult our detailed size chart for exact dimensions and cutout specifications\u003c\/em\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Capacity 1\" Airflow:\u003c\/strong\u003e The wide 25mm (1-inch) slot opening is engineered to move a greater volume of air more efficiently than standard 19mm slots.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeamless Flush-Mount Finish:\u003c\/strong\u003e A ribbed border allows for easy concealment with drywall filler, enabling a clean, built-in look that blends into your ceiling.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClean, Minimalist Aesthetic:\u003c\/strong\u003e Achieved with no visible screw holes after mudded in; additional fastening is also done discreetly on the inner border for a flawless profile (fasteners not included).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eArchitectural-Grade Material:\u003c\/strong\u003e Constructed from \u003ca href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/why-6063-t5-aluminum-is-great-for-linear-slot-diffuser-vent-covers\" title=\"Why 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\" rel=\"noopener\" target=\"_blank\"\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e6063-T5 Grade extruded aluminum\u003c\/span\u003e\u003c\/a\u003e, the architectural alloy known for its excellent strength, superb finish quality, and high corrosion resistance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePremium Matte White Protection:\u003c\/strong\u003e Boasting a high-quality matte white powder coat, this finish is engineered to be highly resistant to everyday scratches, corrosion, and the effects of fading.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUltimate Versatility:\u003c\/strong\u003e Functions perfectly as both a supply or return air terminal for flexible system design.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtensive Customization: \u003c\/strong\u003eAvailable with mitered corners, custom angles, and tailored lengths to fit any project specification.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplete Project Support:\u003c\/strong\u003e \u003ca href=\"https:\/\/www.linearairdiffusers.com\/pages\/cfd-airflow-analysis-hvac-design\" title=\"CFD Airflow Analysis Services for Smarter HVAC Design\" rel=\"noopener\" target=\"_blank\"\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003eCAD (DWG) and BIM (Revit) models\u003c\/span\u003e\u003c\/a\u003e are available upon request to streamline your design and installation process.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExpert Quotes: \u003c\/strong\u003eReceive a personalized project quote based on your specific drawings and requirements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMatching Plenum:\u003c\/strong\u003e \u003cspan style=\"color: rgb(31, 33, 36);\"\u003ePair this linear slot diffuser with our \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Matching Custom Linear Slot Diffuser Plenum (22x2)\" href=\"https:\/\/www.linearairdiffusers.com\/products\/22x2-plenums-fxp\" target=\"_blank\"\u003ecustomizable 22x2 Plenums FXP Series\u003c\/a\u003e\u003c\/span\u003e (sold separately) to perfectly match your HVAC system's requirements. \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener noreferrer\" title=\"Video of our plenums for linear slot diffusers air vent covers.\" href=\"https:\/\/youtu.be\/gqC7IVD_kbY?si=1LF7UVkcdi3Q07_p\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eWatch our plenums intro video\u003c\/a\u003e\u003c\/span\u003e or click \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/pages\/custom-hvac-plenums\" title=\"Custom Plenum Box - Built to your specifications by Flo-Matrix HVAC\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003ehere to learn more about our custom plenums\u003c\/a\u003e\u003c\/span\u003e.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShips worldwide from our Vancouver, Canada facility. Local pickup is also available at our showroom.\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eNeed custom sizes?\u003cstrong\u003e \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/pages\/linear-slot-diffuser-quote-request\" title=\"Request a Quote for Linear Slot Diffusers\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eRequest a quote for custom linear slot diffusers and plenums\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e to get pricing, lead times, and support for your project.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Mud-In_Linear_Slot_Diffuser_medium_white_Installed_Photo.jpg?v=1780354694\" alt=\"White mud-in linear slot diffuser installed in ceiling for seamless HVAC air distribution and flush architectural finish\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003ePerformance\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ctable style=\"width: 500px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003ctd style=\"width: 204.035px; height: 19px;\"\u003e\u003cb\u003e\u003cspan\u003ePerformance Data\u003c\/span\u003e\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; height: 19px;\"\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 157px; height: 19px;\"\u003e\u003cb\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/b\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 40px;\"\u003e\n\u003ctd style=\"width: 204.035px; text-align: center; height: 40px;\"\u003e\n\u003cp\u003e\u003cem\u003eFlow Rate\u003c\/em\u003e\u003cem\u003e\u003cspan\u003e \u003c\/span\u003e(CFM)\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; text-align: center; height: 40px;\"\u003e\u003cem\u003e Static Pressure (in.wg)\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 157px; text-align: center; height: 40px;\"\u003e\u003cem\u003eNoise Level (NC)\u003c\/em\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 59.3578px;\"\u003e\n\u003ctd style=\"width: 204.035px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e80\u003cbr\u003e126\u003cbr\u003e167\u003cbr\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e0.09\u003cbr\u003e0.21\u003cbr\u003e0.37\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 157px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e20\u003cbr\u003e30\u003cbr\u003e40\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e  * Flow rate (CFM) and static pressure (in.wg) are interrelated. It is crucial to know your HVAC system total or static pressure when choosing the proper GRD for optimal performance.\u003c\/p\u003e\n\u003cp\u003e* Performance data independently verified by a globally recognized third-party testing facility. Tested to ADC1062:GRD-84 and ASHRAE 70-2006 standards. CFD and modern testing ensure optimal performance and energy efficiency. For complete performance data, please \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Contact Flo-Matrix HVAC\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" target=\"_blank\"\u003econtact us\u003c\/a\u003e\u003c\/span\u003e.\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\" title=\"High Resolution of Professional HVAC Diffusers vs Mass Produced Diffusers | Quality Comparison Guide\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg style=\"margin-bottom: 16px; float: none;\" alt=\"Flo-Matrix HVAC professional-grade linear slot diffusers and air grilles compared to mass-produced generic store diffusers, highlighting T5 aluminum construction, superior airflow performance, expert technical support, custom manufacturing options, commercial project experience, showroom availability, and long-term HVAC performance benefits.\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\"\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003ch5\u003eSubmittal\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(43, 0, 255);\"\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca rel=\"noopener\" title=\"Mud-In Linear Slot Diffuser Submittal Sheet High Resolution Download (in imperial \u0026amp; metric)\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/mud-in-linear-slot-diffuser-high-flow-submittal-download.pdf?v=1746737364\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eClick here to download a high resolution of this submittal sheet\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"High Airflow Mud-In Linear Slot Diffuser submittal\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/mud-in-linear-slot-diffuser-high-flow-submittal-flomatrix-hvac.jpg?v=1746218580\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eResources\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #2596be;\"\u003e\u003cb\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/mud-in-linear-slot-diffusers-benefits-for-hvac-contractors-architects-in-canada\" title=\"Mud in Linear Slot Diffusers Canada: Benefits for Architects \u0026amp; Homeowners\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eMud in Linear Slot Diffusers: The Canadian Contractor's Secret for a Flawless Finish\u003c\/a\u003e\u003c\/span\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/mud-in-linear-slot-diffusers-benefits-for-hvac-contractors-architects-in-canada\"\u003e\u003c\/a\u003e\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca rel=\"noopener noreferrer\" title=\"19mm vs. 25mm Linear Slot Diffusers: A Quick Guide for HVAC Pros \u0026amp; Homeowners\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/19mm-vs-25mm-linear-slot-diffusers-a-quick-guide-for-hvac-pros-homeowners\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eOur Guide to 19mm VS. 25mm Slot Width Differences\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" title=\"Linear Slot Diffusers: The Smart Choice for Modern HVAC Systems\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/linear-slot-diffusers-smart-choice-for-modern-hvac-systems\" target=\"_blank\"\u003eLinear Slot Diffusers: The Smart Choice for Modern HVAC Systems\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" title=\"Why 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/why-6063-t5-aluminum-is-great-for-linear-slot-diffuser-vent-covers\" target=\"_blank\"\u003eWhy 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca rel=\"noopener noreferrer\" title=\"CFD Airflow Analysis Services for Smarter HVAC Design\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/cfd-airflow-analysis-hvac-design\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eCFD Airflow Analysis Services for Smarter HVAC Design\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eDefining \"Commercial Grade\" in Air Distribution Products\u003c\/h4\u003e\n\u003cp\u003eWhat truly separates commercial-grade grilles, registers, and diffusers? It's the comprehensive engineering data that allows HVAC professionals and design teams to specify products with absolute confidence. This means full transparency on the materials used and certified performance results for critical factors such as noise generation, airflow volume, and static pressure loss.\u003c\/p\u003e\n\u003cp\u003eTo guarantee this performance, every product is validated against the stringent protocols of ASHRAE 70-2006 and ADC1062:GRD-84. Our R\u0026amp;D process integrates cutting-edge CFD simulations alongside physical testing, ensuring our designs deliver superior efficiency and performance.\u003c\/p\u003e\n\u003cp\u003eWe've been a leading manufacturer of commercial linear slot diffusers (offering 1 to 12 slots) since 1997. Have a project that requires expert insight? \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" title=\"Contact Us Form - Flo-Matrix HVAC\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eOur product specialists are ready to assist you\u003c\/a\u003e\u003c\/span\u003e at +1-604-437-1527.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eVideos\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eMud-In Flange Linear Slot Diffuser Video\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/S6aSgdn6Ke4?si=GjXR7taRzK1ROvhs\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eDemonstration of airflow direction adjustment - 1 Slot Linear Diffuser\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/1Ugg_bT9wDY?si=EHqofWnvuq2Knfv8\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eHow to insert a linear slot diffuser into a plenum\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/HFvCaQcs1rE?si=nYvC4-UoWcE1fsiu\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eLinear Slot Diffuser Smoke Test (Vertical Throw) Video - 1 Slot\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/wzy7QBMM3n0\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eLinear Slot Diffuser Smoke Test (Horizontal Throw) Video - 1 Slot\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/nMeJOL_9g-M\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eVideos of previous custom plenums\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/5kEmsTcA2uE?si=SBMMXiQkfyDlC7Ob\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/gqC7IVD_kbY?si=araziY9knWlseHoy\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eOur retail store showroom - Greater Vancouver, Canada\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/YeWxWnvc0pw?si=qV2UAJzkCEX6TARr\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"Linear Air Diffusers","offers":[{"title":"Default Title","offer_id":42287992144035,"sku":"FWASD250101B\/115W\/622L\/PCWS02","price":74.53,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/products\/Mudinlinearslotdiffuserswhite-front_f59071ea-4151-43aa-92c3-8ffd95dfa60c.png?v=1646440739"},{"product_id":"36-mud-in-flange-linear-slot-diffuser-1-slot-with-25mm-slot-opening-hvac-vent-cover-matte-white-finish-wasd25-1","title":"36\" Mud In Flange (Flush Installation) Linear Slot Diffuser Vent Cover - Drywall Mudding Vent Cover - White - FLO-MATRIX HVAC","description":"\u003cdiv\u003e\n\u003ch5\u003eDetails\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ctable height=\"30\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003ch3 style=\"text-align: center;\"\u003e\n\u003cstrong\u003e\u003cspan style=\"color: #00aaff;\"\u003e \u003c\/span\u003e\u003c\/strong\u003e\u003cspan style=\"color: #2b00ff;\"\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca title=\"Mud In Flange Linear Slot Diffuser Installation Guide (WASD250101B)\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/INSTALLATION_INSTRUCTIONS_WASD250101B_mud_in_-V2_LAD.pdf?v=1677316134\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eMud In Flange Linear Slot Diffuser Installation Guide Download\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\n\u003c\/h3\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp\u003eCrafted from heavy-gauge aluminum, this white 36\" mud-in slot diffuser delivers precise airflow control for both standard and VAV systems. The 25mm adjustable blade design ensures optimal performance while maintaining structural integrity.  \u003c\/p\u003e\n\u003cp\u003eThese premium quality flush-mount units integrate seamlessly with drywall finishes. Cheaper alternatives often suffer from warped frames, noisy airflow, or cracking during installation - issues that require costly wall repairs.  \u003c\/p\u003e\n\u003cp\u003eSpecified by discerning HVAC professionals, our diffusers combine durable construction with clean aesthetics for lasting performance. Their embedded design makes initial quality selection crucial, as replacements mean significant drywall demolition.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePlease watch our smoke test video for air distribution performance. We recommend installation by professionals for this product.\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003e\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Size: \u003c\/strong\u003e36\" x 2\" (nominal). \u003cem\u003ePlease consult our detailed size chart for exact dimensions and cutout specifications\u003c\/em\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Capacity 1\" Airflow:\u003c\/strong\u003e The wide 25mm (1-inch) slot opening is engineered to move a greater volume of air more efficiently than standard 19mm slots.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeamless Flush-Mount Finish:\u003c\/strong\u003e A ribbed border allows for easy concealment with drywall filler, enabling a clean, built-in look that blends into your ceiling.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClean, Minimalist Aesthetic:\u003c\/strong\u003e Achieved with no visible screw holes after mudded in; additional fastening is also done discreetly on the inner border for a flawless profile (fasteners not included).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eArchitectural-Grade Material:\u003c\/strong\u003e Constructed from \u003ca href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/why-6063-t5-aluminum-is-great-for-linear-slot-diffuser-vent-covers\" title=\"Why 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\" rel=\"noopener\" target=\"_blank\"\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e6063-T5 Grade extruded aluminum\u003c\/span\u003e\u003c\/a\u003e, the architectural alloy known for its excellent strength, superb finish quality, and high corrosion resistance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePremium Matte White Protection:\u003c\/strong\u003e Boasting a high-quality matte white powder coat, this finish is engineered to be highly resistant to everyday scratches, corrosion, and the effects of fading.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUltimate Versatility:\u003c\/strong\u003e Functions perfectly as both a supply or return air terminal for flexible system design.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtensive Customization: \u003c\/strong\u003eAvailable with mitered corners, custom angles, and tailored lengths to fit any project specification.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplete Project Support:\u003c\/strong\u003e \u003ca href=\"https:\/\/www.linearairdiffusers.com\/pages\/cfd-airflow-analysis-hvac-design\" title=\"CFD Airflow Analysis Services for Smarter HVAC Design\" rel=\"noopener\" target=\"_blank\"\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003eCAD (DWG) and BIM (Revit) models\u003c\/span\u003e\u003c\/a\u003e are available upon request to streamline your design and installation process.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExpert Quotes: \u003c\/strong\u003eReceive a personalized project quote based on your specific drawings and requirements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptimized Performance:\u003c\/strong\u003e Pair with a \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/pages\/custom-hvac-plenums\" title=\"Custom Plenum Box - Built to your specifications by Flo-Matrix HVAC\" rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003ecustomizable plenum box\u003c\/a\u003e\u003c\/span\u003e (sold separately) to ensure ideal airflow and system efficiency.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShips worldwide from our Vancouver, Canada facility. Local pickup is also available at our showroom.\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eNeed custom sizes?\u003cstrong\u003e \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/pages\/linear-slot-diffuser-quote-request\" title=\"Request a Quote for Linear Slot Diffusers\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eRequest a quote for custom linear slot diffusers and plenums\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e to get pricing, lead times, and support for your project.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Mud-In_Linear_Slot_Diffuser_medium_white_Installed_Photo.jpg?v=1780354694\" alt=\"White mud-in linear slot diffuser installed in ceiling for seamless HVAC air distribution and flush architectural finish\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003ePerformance\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ctable style=\"width: 500px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003ctd style=\"width: 204.035px; height: 19px;\"\u003e\u003cb\u003e\u003cspan\u003ePerformance Data\u003c\/span\u003e\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; height: 19px;\"\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 157px; height: 19px;\"\u003e\u003cb\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/b\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 40px;\"\u003e\n\u003ctd style=\"width: 204.035px; text-align: center; height: 40px;\"\u003e\n\u003cp\u003e\u003cem\u003eFlow Rate\u003c\/em\u003e\u003cem\u003e\u003cspan\u003e \u003c\/span\u003e(CFM)\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; text-align: center; height: 40px;\"\u003e\u003cem\u003e Static Pressure (in.wg)\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 157px; text-align: center; height: 40px;\"\u003e\u003cem\u003eNoise Level (NC)\u003c\/em\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 59.3578px;\"\u003e\n\u003ctd style=\"width: 204.035px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e131\u003cbr\u003e206\u003cbr\u003e273\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e0.09\u003cbr\u003e0.21\u003cbr\u003e0.37\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 157px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e20\u003cbr\u003e30\u003cbr\u003e40\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e  * Flow rate (CFM) and static pressure (in.wg) are interrelated. It is crucial to know your HVAC system total or static pressure when choosing the proper GRD for optimal performance.\u003c\/p\u003e\n\u003cp\u003e* Performance data independently verified by a globally recognized third-party testing facility. Tested to ADC1062:GRD-84 and ASHRAE 70-2006 standards. CFD and modern testing ensure optimal performance and energy efficiency. For complete performance data, please \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Contact Flo-Matrix HVAC\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" target=\"_blank\"\u003econtact us\u003c\/a\u003e\u003c\/span\u003e.\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\" title=\"High Resolution of Professional HVAC Diffusers vs Mass Produced Diffusers | Quality Comparison Guide\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg style=\"margin-bottom: 16px; float: none;\" alt=\"Flo-Matrix HVAC professional-grade linear slot diffusers and air grilles compared to mass-produced generic store diffusers, highlighting T5 aluminum construction, superior airflow performance, expert technical support, custom manufacturing options, commercial project experience, showroom availability, and long-term HVAC performance benefits.\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\"\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003ch5\u003eSubmittal\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(43, 0, 255);\"\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca rel=\"noopener\" title=\"Mud-In Linear Slot Diffuser Submittal Sheet High Resolution Download (in imperial \u0026amp; metric)\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/mud-in-linear-slot-diffuser-high-flow-submittal-download.pdf?v=1746737364\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eClick here to download a high resolution of this submittal sheet\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"High Airflow Mud-In Linear Slot Diffuser submittal\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/mud-in-linear-slot-diffuser-high-flow-submittal-flomatrix-hvac.jpg?v=1746218580\"\u003e\u003c\/p\u003e\n\u003ch5\u003e\u003cbr\u003e\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eResources\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #2596be;\"\u003e\u003cb\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/mud-in-linear-slot-diffusers-benefits-for-hvac-contractors-architects-in-canada\" title=\"Mud in Linear Slot Diffusers Canada: Benefits for Architects \u0026amp; Homeowners\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eMud in Linear Slot Diffusers: The Canadian Contractor's Secret for a Flawless Finish\u003c\/a\u003e\u003c\/span\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/mud-in-linear-slot-diffusers-benefits-for-hvac-contractors-architects-in-canada\"\u003e\u003c\/a\u003e\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca rel=\"noopener noreferrer\" title=\"19mm vs. 25mm Linear Slot Diffusers: A Quick Guide for HVAC Pros \u0026amp; Homeowners\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/19mm-vs-25mm-linear-slot-diffusers-a-quick-guide-for-hvac-pros-homeowners\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eOur Guide to 19mm VS. 25mm Slot Width Differences\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" title=\"Linear Slot Diffusers: The Smart Choice for Modern HVAC Systems\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/linear-slot-diffusers-smart-choice-for-modern-hvac-systems\" target=\"_blank\"\u003eLinear Slot Diffusers: The Smart Choice for Modern HVAC Systems\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" title=\"Why 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/why-6063-t5-aluminum-is-great-for-linear-slot-diffuser-vent-covers\" target=\"_blank\"\u003eWhy 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca rel=\"noopener noreferrer\" title=\"CFD Airflow Analysis Services for Smarter HVAC Design\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/cfd-airflow-analysis-hvac-design\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eCFD Airflow Analysis Services for Smarter HVAC Design\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eDefining \"Commercial Grade\" in Air Distribution Products\u003c\/h4\u003e\n\u003cp\u003eWhat truly separates commercial-grade grilles, registers, and diffusers? It's the comprehensive engineering data that allows HVAC professionals and design teams to specify products with absolute confidence. This means full transparency on the materials used and certified performance results for critical factors such as noise generation, airflow volume, and static pressure loss.\u003c\/p\u003e\n\u003cp\u003eTo guarantee this performance, every product is validated against the stringent protocols of ASHRAE 70-2006 and ADC1062:GRD-84. Our R\u0026amp;D process integrates cutting-edge CFD simulations alongside physical testing, ensuring our designs deliver superior efficiency and performance.\u003c\/p\u003e\n\u003cp\u003eWe've been a leading manufacturer of commercial linear slot diffusers (offering 1 to 12 slots) since 1997. Have a project that requires expert insight? \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" title=\"Contact Us Form - Flo-Matrix HVAC\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eOur product specialists are ready to assist you\u003c\/a\u003e\u003c\/span\u003e at +1-604-437-1527.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eVideos\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eMud-In Flange Linear Slot Diffuser Video\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/S6aSgdn6Ke4?si=GjXR7taRzK1ROvhs\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eDemonstration of airflow direction adjustment - 1 Slot Linear Diffuser\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/1Ugg_bT9wDY?si=EHqofWnvuq2Knfv8\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eHow to insert a linear slot diffuser into a plenum\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/HFvCaQcs1rE?si=nYvC4-UoWcE1fsiu\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eLinear Slot Diffuser Smoke Test (Vertical Throw) Video - 1 Slot\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/wzy7QBMM3n0\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eLinear Slot Diffuser Smoke Test (Horizontal Throw) Video - 1 Slot\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/nMeJOL_9g-M\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eVideos of previous custom plenums\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/5kEmsTcA2uE?si=SBMMXiQkfyDlC7Ob\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/gqC7IVD_kbY?si=araziY9knWlseHoy\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eOur retail store showroom - Greater Vancouver, Canada\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/YeWxWnvc0pw?si=qV2UAJzkCEX6TARr\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"Linear Air Diffusers","offers":[{"title":"Default Title","offer_id":42288032907427,"sku":"FWASD250101B\/115W\/978L\/PCWS02","price":118.07,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/products\/Mudinlinearslotdiffuserswhite-front_bee12345-e086-4cdf-992c-8d6b9473eabf.png?v=1646441012"},{"product_id":"60-linear-slot-diffuser-1-slot-with-19mm-slot-opening-hvac-vent-cover-matte-white-finish-wasd19-1","title":"60\" Linear Slot Diffuser Vent Cover (1 Slot with 19mm Opening) - Matte White - FLO-MATRIX HVAC","description":"\u003ch5\u003e\u003cspan\u003eDetails\u003c\/span\u003e\u003c\/h5\u003e\n\u003cdiv\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan style=\"font-size: 0.875rem;\"\u003eThis 60-inch linear slot diffuser delivers both aesthetic appeal and performance with its crisp matte white finish. Unlike inferior alternatives, it's crafted from heavy-duty extruded aluminum - identical to the premium material specified for high-end commercial installations. This vent cover excels at maintaining consistent airflow in your environment while offering precise control for VAV applications through its 19mm slot opening and 180-degree adjustable blades. (See our airflow visualization video for performance verification in the videos section.) \u003c\/span\u003e\u003cstrong style=\"font-size: 0.875rem;\"\u003eWe recommend professional installation by qualified HVAC technicians for optimal results.\u003c\/strong\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Size \u0026amp; Design:\u003c\/strong\u003e Features a clean 60\" x 1.5\" nominal size with a sharp ¾\" (19mm) slot opening for a sleek, modern aesthetic. (\u003cem\u003ePlease refer to the size diagram for detailed dimensions\u003c\/em\u003e).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEliminates Ceiling Smudges: \u003c\/strong\u003eAn integrated weather-stripping seal prevents air leakage, protecting your ceiling from unsightly dust marks and ensuring all air is directed through the diffuser.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable, Commercial-Grade Construction: \u003c\/strong\u003eBuilt from heavy-duty \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/why-6063-t5-aluminum-is-great-for-linear-slot-diffuser-vent-covers\" title=\"Why 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003e6063-T5 architectural-grade aluminum\u003c\/a\u003e\u003c\/span\u003e with a tough powder coat finish and reinforced Tig welds to resist cracking, chipping, and bending for a lifetime of performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStrong Matte White Surface\u003c\/strong\u003e: Features a sophisticated matte white powder coat that is not only elegant but also remarkably resistant to wear, including scratches and corrosion.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClean, Minimalist Installation:\u003c\/strong\u003e Designed for a flawless look with no visible screw holes. Fastening points are discreetly located on the inner border sides. (Note: Fasteners are not included).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustom Airflow Solutions:\u003c\/strong\u003e \u003cspan style=\"color: rgb(31, 33, 36);\"\u003ePair this diffuser with a \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener noreferrer\" title=\"Custom Plenum Box - Built to your specifications by Flo-Matrix HVAC\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/custom-hvac-plenums\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003ecustomizable plenum box\u003c\/a\u003e\u003c\/span\u003e (sold separately) to perfectly match your HVAC system's requirements. \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener noreferrer\" title=\"Video of our plenums for linear slot diffusers air vent covers.\" href=\"https:\/\/youtu.be\/gqC7IVD_kbY?si=1LF7UVkcdi3Q07_p\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eWatch our plenums intro video\u003c\/a\u003e\u003c\/span\u003e to learn more.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShips worldwide from our Vancouver, Canada facility. Local pickup is also available at our showroom.\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eNeed custom sizes?\u003cstrong\u003e \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/pages\/linear-slot-diffuser-quote-request\" title=\"Request a Quote for Linear Slot Diffusers\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eRequest a quote for custom linear slot diffusers and plenums\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e to get pricing, lead times, and support for your project.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Linear_Slot_Diffuser_white_installed_photo.jpg?v=1780425749\" alt=\"White linear slot air diffuser installed on wall, minimalist HVAC vent design for effective heating, cooling, and ventilation.\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003ePerformance\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ctable style=\"width: 500px; height: 134.375px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 204.035px; height: 19.5938px;\"\u003e\u003cb\u003e\u003cspan\u003ePerformance Data\u003c\/span\u003e\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; height: 19.5938px;\"\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 157px; height: 19.5938px;\"\u003e\u003cb\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/b\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 40px;\"\u003e\n\u003ctd style=\"width: 204.035px; text-align: center; height: 40px;\"\u003e\n\u003cp\u003e\u003cem\u003eFlow Rate\u003c\/em\u003e\u003cem\u003e\u003cspan\u003e \u003c\/span\u003e(CFM)\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; text-align: center; height: 40px;\"\u003e\u003cem\u003e Static Pressure (in.wg)\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 157px; text-align: center; height: 40px;\"\u003e\u003cem\u003eNoise Level (NC)\u003c\/em\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 74.7812px;\"\u003e\n\u003ctd style=\"width: 204.035px; text-align: center; height: 74.7812px;\"\u003e\n\u003cp\u003e218\u003cbr\u003e300\u003cbr\u003e437\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; text-align: center; height: 74.7812px;\"\u003e\n\u003cp\u003e0.11\u003cbr\u003e0.20\u003cbr\u003e0.41\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 157px; text-align: center; height: 74.7812px;\"\u003e\n\u003cp\u003e20\u003cbr\u003e30\u003cbr\u003e40\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e  * Flow rate (CFM) and static pressure (in.wg) are interrelated. It is crucial to know your HVAC system total or static pressure when choosing the proper GRD for optimal performance.\u003c\/p\u003e\n\u003cp\u003e* Performance data independently verified by a globally recognized third-party testing facility. Tested to ADC1062:GRD-84 and ASHRAE 70-2006 standards. CFD and modern testing ensure optimal performance and energy efficiency. For complete performance data, please \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Contact Flo-Matrix HVAC\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" target=\"_blank\"\u003econtact us\u003c\/a\u003e\u003c\/span\u003e.\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003ca rel=\"noopener\" title=\"High Resolution of Comparison Table (FWASD19-1 VS. FWASD25-1)\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/fwasd19-1-vs-fwasd25-1-linear-slot-diffuser-comparison-commercial-hvac.jpg?v=1780706496\" target=\"_blank\"\u003e\u003cimg style=\"margin-bottom: 16px; float: none;\" alt=\"Commercial HVAC linear slot diffuser comparison between FWASD19-1 and FWASD25-1 featuring 3\/4 inch and 1 inch slot widths, airflow efficiency improvements, reduced pressure loss, quieter operation, showroom demonstration availability, and applications for commercial buildings and custom residential homes.\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/fwasd19-1-vs-fwasd25-1-linear-slot-diffuser-comparison-commercial-hvac.jpg?v=1780706496\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" alt=\"Flo-Matrix HVAC vent cover with built-in weather foam strip compared to standard vent covers without foam gasket, showing improved air seal, reduced dust streaks, cleaner ceilings, better airflow efficiency, and lower maintenance requirements for residential and commercial HVAC applications.\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781729213\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\" title=\"High Resolution of Professional HVAC Diffusers vs Mass Produced Diffusers | Quality Comparison Guide\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg style=\"margin-bottom: 16px; float: none;\" alt=\"Flo-Matrix HVAC professional-grade linear slot diffusers and air grilles compared to mass-produced generic store diffusers, highlighting T5 aluminum construction, superior airflow performance, expert technical support, custom manufacturing options, commercial project experience, showroom availability, and long-term HVAC performance benefits.\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eSubmittal\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Linear Slot Diffuser (one slot) Submittal Sheet High Resolution PDF Download\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Linear_Slot_Diffuser_1-slot_submittal_high_resolution_download.pdf?v=1750363158\" target=\"_blank\"\u003eClick here to download a high resolution of this submittal sheet\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-1-slot-submittal-flomatrix-hvac.jpg?v=1745797354\" alt=\"Linear Slot Diffuser -1-slot submittal\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eResources\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Linear_Slot_Diffuser_Installation_Instructions_High_Resolution.pdf?v=1759781403\" title=\"Linear Slot Diffuser Installation Guide High Resolution Download\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eLinear Slot Diffuser Installation Guide Download\u003c\/a\u003e\u003ca rel=\"noopener noreferrer\" title=\"19mm vs. 25mm Linear Slot Diffusers: A Quick Guide for HVAC Pros \u0026amp; Homeowners\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/19mm-vs-25mm-linear-slot-diffusers-a-quick-guide-for-hvac-pros-homeowners\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca rel=\"noopener noreferrer\" title=\"19mm vs. 25mm Linear Slot Diffusers: A Quick Guide for HVAC Pros \u0026amp; Homeowners\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/19mm-vs-25mm-linear-slot-diffusers-a-quick-guide-for-hvac-pros-homeowners\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eOur Guide to 19mm VS. 25mm Slot Width Differences\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" title=\"Linear Slot Diffusers: The Smart Choice for Modern HVAC Systems\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/linear-slot-diffusers-smart-choice-for-modern-hvac-systems\" target=\"_blank\"\u003eLinear Slot Diffusers: The Smart Choice for Modern HVAC Systems\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" title=\"Why 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/why-6063-t5-aluminum-is-great-for-linear-slot-diffuser-vent-covers\" target=\"_blank\"\u003eWhy 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/linear-slot-diffuser-upgrade-retrofit-vs-new-construction\" title=\"Linear Slot Diffuser Upgrade: A Guide for Retrofit vs. New Construction\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eLinear Slot Diffuser: A Guide for Retrofit vs. New Construction\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca rel=\"noopener noreferrer\" title=\"CFD Airflow Analysis Services for Smarter HVAC Design\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/cfd-airflow-analysis-hvac-design\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eCFD Airflow Analysis Services for Smarter HVAC Design\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eWhat Makes a Grille, Register, or Diffuser \"Commercial Grade\"?\u003c\/h4\u003e\n\u003cp\u003eTrue commercial-grade GRD products provide architects, engineers, and HVAC professionals with the complete technical data needed for precise project specification. This includes detailed information on material composition and comprehensive performance metrics like flow rates, pressure drop, and noise criteria (NC).\u003c\/p\u003e\n\u003cp\u003eAll our products are rigorously tested in accordance with ADC1062:GRD-84 and the ASHRAE 70-2006 standards. We leverage computational fluid dynamics (CFD) and modern testing to continuously refine our designs for optimal performance and energy efficiency.\u003c\/p\u003e\n\u003cp\u003eSince 1997, we have been a trusted manufacturer of high-quality linear slot diffusers (from 1 to 12 slots) for the commercial HVAC industry. For project-specific questions and expert guidance, please \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca style=\"color: rgb(37, 150, 190);\" rel=\"noopener noreferrer\" title=\"Contact Us Form\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" target=\"_blank\"\u003econtact our product specialists\u003c\/a\u003e\u003c\/span\u003e at +1-604-437-1527.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eVideos\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eShowcase Video of Product - 1 Slot Linear Diffuser\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/7_HLSGJ1dE4?si=EY4zvH8u9dC4YY6Y\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eDemonstration of airflow direction adjustment - 1 Slot Linear Diffuser\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/1Ugg_bT9wDY?si=EHqofWnvuq2Knfv8\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eHow to insert a linear slot diffuser into a plenum\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/HFvCaQcs1rE?si=nYvC4-UoWcE1fsiu\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eLinear Slot Diffuser Smoke Test (Vertical Throw) Video - 1 Slot\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/wzy7QBMM3n0\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eLinear Slot Diffuser Smoke Test (Horizontal Throw) Video - 1 Slot\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/nMeJOL_9g-M\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eVideos of previous custom plenums\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/5kEmsTcA2uE?si=SBMMXiQkfyDlC7Ob\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/gqC7IVD_kbY?si=araziY9knWlseHoy\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eOur retail store showroom - Greater Vancouver, Canada\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/YeWxWnvc0pw?si=qV2UAJzkCEX6TARr\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"Linear Air Diffusers","offers":[{"title":"Default Title","offer_id":42320979132579,"sku":"FWASD19-1\/76W\/1552L\/PCWS02","price":105.04,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-60-inch-1-slot-white-frontview-flomatrix-hvac.png?v=1745797354"},{"product_id":"60-linear-slot-diffuser-1-slot-with-19mm-slot-opening-hvac-vent-cover-matte-black-finish-wasd19-1","title":"60\" Linear Slot Diffuser Vent Cover (1 Slot with 19mm Opening) - Matte Black - FLO-MATRIX HVAC","description":"\u003ch5\u003e\u003cspan\u003eDetails\u003c\/span\u003e\u003c\/h5\u003e\n\u003cdiv\u003e\n\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003eThis 60-inch linear slot diffuser brings both form and function to your space with its sleek matte black finish. Unlike flimsy alternatives, it's built from solid extruded aluminum - the same material architects specify for high-traffic commercial projects. Whether you need consistent airflow in office spaces or precision control for VAV systems, the 19mm slot opening with 180-degree adjustable blades delivers. Check out our smoke test video in the videos section to see the airflow in action. \u003cstrong\u003eWe recommend installation by HVAC professionals for best results.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Size \u0026amp; Design:\u003c\/strong\u003e Features a clean 60\" x 1.5\" nominal size with a sharp ¾\" (19mm) slot opening for a sleek, modern aesthetic. (\u003cem\u003ePlease refer to the size diagram for detailed dimensions\u003c\/em\u003e).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEliminates Ceiling Smudges: \u003c\/strong\u003eAn integrated weather-stripping seal prevents air leakage, protecting your ceiling from unsightly dust marks and ensuring all air is directed through the diffuser.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable, Commercial-Grade Construction: \u003c\/strong\u003eBuilt from heavy-duty \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Why 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/why-6063-t5-aluminum-is-great-for-linear-slot-diffuser-vent-covers\" target=\"_blank\"\u003e6063-T5 architectural-grade aluminum\u003c\/a\u003e\u003c\/span\u003e with a tough powder coat finish and reinforced Tig welds to resist cracking, chipping, and bending for a lifetime of performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSleek, Flawless Finish:\u003c\/strong\u003e Finished in a sophisticated matte black powder coat, chosen for its superb durability and high resistance to corrosion and everyday wear.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClean, Minimalist Installation:\u003c\/strong\u003e Designed for a flawless look with no visible screw holes. Fastening points are discreetly located on the inner border sides. (Note: Fasteners are not included).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustom Airflow Solutions:\u003c\/strong\u003e \u003cspan style=\"color: rgb(31, 33, 36);\"\u003ePair this diffuser with a \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca style=\"color: rgb(37, 150, 190);\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/custom-hvac-plenums\" title=\"Custom Plenum Box - Built to your specifications by Flo-Matrix HVAC\" rel=\"noopener noreferrer\" target=\"_blank\"\u003ecustomizable plenum box\u003c\/a\u003e\u003c\/span\u003e (sold separately) to perfectly match your HVAC system's requirements. \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca style=\"color: rgb(37, 150, 190);\" href=\"https:\/\/youtu.be\/gqC7IVD_kbY?si=1LF7UVkcdi3Q07_p\" title=\"Video of our plenums for linear slot diffusers air vent covers.\" rel=\"noopener noreferrer\" target=\"_blank\"\u003eWatch our plenums intro video\u003c\/a\u003e\u003c\/span\u003e to learn more.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShips worldwide from our Vancouver, Canada facility. Local pickup is also available at our showroom.\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eNeed custom sizes?\u003cstrong\u003e \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Request a Quote for Linear Slot Diffusers\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/linear-slot-diffuser-quote-request\" target=\"_blank\"\u003eRequest a quote for custom linear slot diffusers and plenums\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e to get pricing, lead times, and support for your project.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg style=\"float: none;\" alt=\"Black linear slot diffuser installed above a modern fireplace in a contemporary living room\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Linear_Slot_Diffuser_black_installed_photo.jpg?v=1780354693\"\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003ePerformance\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ctable style=\"width: 500px; height: 134.375px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 204.035px; height: 19.5938px;\"\u003e\u003cb\u003e\u003cspan\u003ePerformance Data\u003c\/span\u003e\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; height: 19.5938px;\"\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 157px; height: 19.5938px;\"\u003e\u003cb\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/b\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 40px;\"\u003e\n\u003ctd style=\"width: 204.035px; text-align: center; height: 40px;\"\u003e\n\u003cp\u003e\u003cem\u003eFlow Rate\u003c\/em\u003e\u003cem\u003e\u003cspan\u003e \u003c\/span\u003e(CFM)\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; text-align: center; height: 40px;\"\u003e\u003cem\u003e Static Pressure (in.wg)\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 157px; text-align: center; height: 40px;\"\u003e\u003cem\u003eNoise Level (NC)\u003c\/em\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 74.7812px;\"\u003e\n\u003ctd style=\"width: 204.035px; text-align: center; height: 74.7812px;\"\u003e\n\u003cp\u003e218\u003cbr\u003e300\u003cbr\u003e437\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; text-align: center; height: 74.7812px;\"\u003e\n\u003cp\u003e0.11\u003cbr\u003e0.20\u003cbr\u003e0.41\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 157px; text-align: center; height: 74.7812px;\"\u003e\n\u003cp\u003e20\u003cbr\u003e30\u003cbr\u003e40\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e  * Flow rate (CFM) and static pressure (in.wg) are interrelated. It is crucial to know your HVAC system total or static pressure when choosing the proper GRD for optimal performance.\u003c\/p\u003e\n\u003cp\u003e* Performance data independently verified by a globally recognized third-party testing facility. Tested to ADC1062:GRD-84 and ASHRAE 70-2006 standards. CFD and modern testing ensure optimal performance and energy efficiency. For complete performance data, please \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Contact Flo-Matrix HVAC\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" target=\"_blank\"\u003econtact us\u003c\/a\u003e\u003c\/span\u003e.\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003ca rel=\"noopener\" title=\"High Resolution of Comparison Table (FWASD19-1 VS. FWASD25-1)\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/fwasd19-1-vs-fwasd25-1-linear-slot-diffuser-comparison-commercial-hvac.jpg?v=1780706496\" target=\"_blank\"\u003e\u003cimg style=\"margin-bottom: 16px; float: none;\" alt=\"Commercial HVAC linear slot diffuser comparison between FWASD19-1 and FWASD25-1 featuring 3\/4 inch and 1 inch slot widths, airflow efficiency improvements, reduced pressure loss, quieter operation, showroom demonstration availability, and applications for commercial buildings and custom residential homes.\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/fwasd19-1-vs-fwasd25-1-linear-slot-diffuser-comparison-commercial-hvac.jpg?v=1780706496\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" alt=\"Flo-Matrix HVAC vent cover with built-in weather foam strip compared to standard vent covers without foam gasket, showing improved air seal, reduced dust streaks, cleaner ceilings, better airflow efficiency, and lower maintenance requirements for residential and commercial HVAC applications.\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781729213\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\" title=\"High Resolution of Professional HVAC Diffusers vs Mass Produced Diffusers | Quality Comparison Guide\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg style=\"margin-bottom: 16px; float: none;\" alt=\"Flo-Matrix HVAC professional-grade linear slot diffusers and air grilles compared to mass-produced generic store diffusers, highlighting T5 aluminum construction, superior airflow performance, expert technical support, custom manufacturing options, commercial project experience, showroom availability, and long-term HVAC performance benefits.\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eSubmittal\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Linear_Slot_Diffuser_1-slot_submittal_high_resolution_download.pdf?v=1750363158\" title=\"Linear Slot Diffuser (one slot) Submittal Sheet High Resolution PDF Download\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eClick here to download a high resolution of this submittal sheet\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"Linear Slot Diffuser -1-slot submittal\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-1-slot-submittal-flomatrix-hvac_c1126db3-e0c7-42f5-91d0-8835b386d548.jpg?v=1744843355\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eResources\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Linear Slot Diffuser Installation Guide High Resolution Download\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Linear_Slot_Diffuser_Installation_Instructions_High_Resolution.pdf?v=1759781403\" target=\"_blank\"\u003eLinear Slot Diffuser Installation Guide Download\u003c\/a\u003e\u003ca style=\"color: rgb(37, 150, 190);\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/19mm-vs-25mm-linear-slot-diffusers-a-quick-guide-for-hvac-pros-homeowners\" title=\"19mm vs. 25mm Linear Slot Diffusers: A Quick Guide for HVAC Pros \u0026amp; Homeowners\" rel=\"noopener noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca style=\"color: rgb(37, 150, 190);\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/19mm-vs-25mm-linear-slot-diffusers-a-quick-guide-for-hvac-pros-homeowners\" title=\"19mm vs. 25mm Linear Slot Diffusers: A Quick Guide for HVAC Pros \u0026amp; Homeowners\" rel=\"noopener noreferrer\" target=\"_blank\"\u003eOur Guide to 19mm VS. 25mm Slot Width Differences\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/linear-slot-diffusers-smart-choice-for-modern-hvac-systems\" title=\"Linear Slot Diffusers: The Smart Choice for Modern HVAC Systems\" rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eLinear Slot Diffusers: The Smart Choice for Modern HVAC Systems\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/why-6063-t5-aluminum-is-great-for-linear-slot-diffuser-vent-covers\" title=\"Why 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\" rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eWhy 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Linear Slot Diffuser Upgrade: A Guide for Retrofit vs. New Construction\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/linear-slot-diffuser-upgrade-retrofit-vs-new-construction\" target=\"_blank\"\u003eLinear Slot Diffuser: A Guide for Retrofit vs. New Construction\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca style=\"color: rgb(37, 150, 190);\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/cfd-airflow-analysis-hvac-design\" title=\"CFD Airflow Analysis Services for Smarter HVAC Design\" rel=\"noopener noreferrer\" target=\"_blank\"\u003eCFD Airflow Analysis Services for Smarter HVAC Design\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eWhat Makes a Grille, Register, or Diffuser \"Commercial Grade\"?\u003c\/h4\u003e\n\u003cp\u003eTrue commercial-grade GRD products provide architects, engineers, and HVAC professionals with the complete technical data needed for precise project specification. This includes detailed information on material composition and comprehensive performance metrics like flow rates, pressure drop, and noise criteria (NC).\u003c\/p\u003e\n\u003cp\u003eAll our products are rigorously tested in accordance with ADC1062:GRD-84 and the ASHRAE 70-2006 standards. We leverage computational fluid dynamics (CFD) and modern testing to continuously refine our designs for optimal performance and energy efficiency.\u003c\/p\u003e\n\u003cp\u003eSince 1997, we have been a trusted manufacturer of high-quality linear slot diffusers (from 1 to 12 slots) for the commercial HVAC industry. For project-specific questions and expert guidance, please \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" title=\"Contact Us Form\" rel=\"noopener noreferrer\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003econtact our product specialists\u003c\/a\u003e\u003c\/span\u003e at +1-604-437-1527.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eVideos\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eShowcase Video of Product - 1 Slot Linear Diffuser\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/7_HLSGJ1dE4?si=EY4zvH8u9dC4YY6Y\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eDemonstration of airflow direction adjustment - 1 Slot Linear Diffuser\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/1Ugg_bT9wDY?si=EHqofWnvuq2Knfv8\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eHow to insert a linear slot diffuser into a plenum\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/HFvCaQcs1rE?si=nYvC4-UoWcE1fsiu\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eLinear Slot Diffuser Smoke Test (Vertical Throw) Video - 1 Slot\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/wzy7QBMM3n0\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eLinear Slot Diffuser Smoke Test (Horizontal Throw) Video - 1 Slot\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/nMeJOL_9g-M\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eVideos of previous custom plenums\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/5kEmsTcA2uE?si=SBMMXiQkfyDlC7Ob\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/gqC7IVD_kbY?si=araziY9knWlseHoy\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eOur retail store showroom - Greater Vancouver, Canada\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/YeWxWnvc0pw?si=qV2UAJzkCEX6TARr\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"Linear Air Diffusers","offers":[{"title":"Default Title","offer_id":42321009606819,"sku":"FWASD19-1\/76W\/1552L\/005","price":105.04,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-60-inch-1-slot-black-frontview-flomatrix-hvac.jpg?v=1744843355"},{"product_id":"72-linear-slot-diffuser-1-slot-with-19mm-slot-opening-hvac-vent-cover-matte-white-finish-wasd19-1","title":"72\" Linear Slot Diffuser Vent Cover (1 Slot with 19mm Opening) - Matte White - FLO-MATRIX HVAC","description":"\u003ch5\u003e\u003cspan\u003eDetails\u003c\/span\u003e\u003c\/h5\u003e\n\u003cdiv\u003e\n\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003eThis 72-inch linear slot diffuser delivers both aesthetic appeal and performance with its crisp matte white finish. Unlike inferior alternatives, it's crafted from heavy-duty extruded aluminum - identical to the premium material specified for high-end commercial installations. This vent cover excels at maintaining consistent airflow in your environment while offering precise control for VAV applications through its 19mm slot opening and 180-degree adjustable blades. (See our airflow visualization video for performance verification in the videos section.) \u003cstrong\u003eWe recommend professional installation by qualified HVAC technicians for optimal results.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Size \u0026amp; Design:\u003c\/strong\u003e Features a clean 72\" x 1.5\" nominal size with a sharp ¾\" (19mm) slot opening for a sleek, modern aesthetic. (\u003cem\u003ePlease refer to the size diagram for detailed dimensions\u003c\/em\u003e).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEliminates Ceiling Smudges: \u003c\/strong\u003eAn integrated weather-stripping seal prevents air leakage, protecting your ceiling from unsightly dust marks and ensuring all air is directed through the diffuser.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable, Commercial-Grade Construction: \u003c\/strong\u003eBuilt from heavy-duty \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/why-6063-t5-aluminum-is-great-for-linear-slot-diffuser-vent-covers\" title=\"Why 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003e6063-T5 architectural-grade aluminum\u003c\/a\u003e\u003c\/span\u003e with a tough powder coat finish and reinforced Tig welds to resist cracking, chipping, and bending for a lifetime of performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStrong Matte White Surface\u003c\/strong\u003e: Features a sophisticated matte white powder coat that is not only elegant but also remarkably resistant to wear, including scratches and corrosion.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClean, Minimalist Installation:\u003c\/strong\u003e Designed for a flawless look with no visible screw holes. Fastening points are discreetly located on the inner border sides. (Note: Fasteners are not included).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustom Airflow Solutions:\u003c\/strong\u003e \u003cspan style=\"color: rgb(31, 33, 36);\"\u003ePair this diffuser with a \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener noreferrer\" title=\"Custom Plenum Box - Built to your specifications by Flo-Matrix HVAC\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/custom-hvac-plenums\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003ecustomizable plenum box\u003c\/a\u003e\u003c\/span\u003e (sold separately) to perfectly match your HVAC system's requirements. \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener noreferrer\" title=\"Video of our plenums for linear slot diffusers air vent covers.\" href=\"https:\/\/youtu.be\/gqC7IVD_kbY?si=1LF7UVkcdi3Q07_p\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eWatch our plenums intro video\u003c\/a\u003e\u003c\/span\u003e to learn more.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShips worldwide from our Vancouver, Canada facility. Local pickup is also available at our showroom.\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eNeed custom sizes?\u003cstrong\u003e \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/pages\/linear-slot-diffuser-quote-request\" title=\"Request a Quote for Linear Slot Diffusers\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eRequest a quote for custom linear slot diffusers and plenums\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e to get pricing, lead times, and support for your project.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Linear_Slot_Diffuser_white_installed_photo.jpg?v=1780425749\" alt=\"White linear slot air diffuser installed in finished ceiling, minimalist HVAC vent design for effective heating, cooling, and ventilation.\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003ePerformance\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ctable style=\"width: 500px; height: 134.375px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 200.641px; height: 19.5938px;\"\u003e\u003cb\u003e\u003cspan\u003ePerformance Data\u003c\/span\u003e\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 123.812px; height: 19.5938px;\"\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 153.547px; height: 19.5938px;\"\u003e\u003cb\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/b\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 40px;\"\u003e\n\u003ctd style=\"width: 200.641px; text-align: center; height: 40px;\"\u003e\n\u003cp\u003e\u003cem\u003eFlow Rate\u003c\/em\u003e\u003cem\u003e\u003cspan\u003e \u003c\/span\u003e(CFM)\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 123.812px; text-align: center; height: 40px;\"\u003e\u003cem\u003e Static Pressure (in.wg)\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 153.547px; text-align: center; height: 40px;\"\u003e\u003cem\u003eNoise Level (NC)\u003c\/em\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 74.7812px;\"\u003e\n\u003ctd style=\"width: 200.641px; text-align: center; height: 74.7812px;\"\u003e\n\u003cp\u003e262\u003cbr\u003e360\u003cbr\u003e525\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 123.812px; text-align: center; height: 74.7812px;\"\u003e\n\u003cp\u003e0.11\u003cbr\u003e0.20\u003cbr\u003e0.41\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 153.547px; text-align: center; height: 74.7812px;\"\u003e\n\u003cp\u003e20\u003cbr\u003e30\u003cbr\u003e40\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e  * Flow rate (CFM) and static pressure (in.wg) are interrelated. It is crucial to know your HVAC system total or static pressure when choosing the proper GRD for optimal performance.\u003c\/p\u003e\n\u003cp\u003e* Performance data independently verified by a globally recognized third-party testing facility. Tested to ADC1062:GRD-84 and ASHRAE 70-2006 standards. CFD and modern testing ensure optimal performance and energy efficiency. For complete performance data, please \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Contact Flo-Matrix HVAC\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" target=\"_blank\"\u003econtact us\u003c\/a\u003e\u003c\/span\u003e.\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/fwasd19-1-vs-fwasd25-1-linear-slot-diffuser-comparison-commercial-hvac.jpg?v=1780706496\" title=\"High Resolution of Comparison Table (FWASD19-1 VS. FWASD25-1)\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/fwasd19-1-vs-fwasd25-1-linear-slot-diffuser-comparison-commercial-hvac.jpg?v=1780706496\" alt=\"Commercial HVAC linear slot diffuser comparison between FWASD19-1 and FWASD25-1 featuring 3\/4 inch and 1 inch slot widths, airflow efficiency improvements, reduced pressure loss, quieter operation, showroom demonstration availability, and applications for commercial buildings and custom residential homes.\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" alt=\"Flo-Matrix HVAC vent cover with built-in weather foam strip compared to standard vent covers without foam gasket, showing improved air seal, reduced dust streaks, cleaner ceilings, better airflow efficiency, and lower maintenance requirements for residential and commercial HVAC applications.\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781729213\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003ca rel=\"noopener\" title=\"High Resolution of Professional HVAC Diffusers vs Mass Produced Diffusers | Quality Comparison Guide\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\" alt=\"Flo-Matrix HVAC professional-grade linear slot diffusers and air grilles compared to mass-produced generic store diffusers, highlighting T5 aluminum construction, superior airflow performance, expert technical support, custom manufacturing options, commercial project experience, showroom availability, and long-term HVAC performance benefits.\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eSubmittal\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Linear Slot Diffuser (one slot) Submittal Sheet High Resolution PDF Download\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Linear_Slot_Diffuser_1-slot_submittal_high_resolution_download.pdf?v=1750363158\" target=\"_blank\"\u003eClick here to download a high resolution of this submittal sheet\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-1-slot-submittal-flomatrix-hvac.jpg?v=1745797765\" alt=\"Linear Slot Diffuser -1-slot submittal\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eResources\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Linear_Slot_Diffuser_Installation_Instructions_High_Resolution.pdf?v=1759781403\" title=\"Linear Slot Diffuser Installation Guide High Resolution Download\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eLinear Slot Diffuser Installation Guide Download\u003c\/a\u003e\u003ca rel=\"noopener noreferrer\" title=\"19mm vs. 25mm Linear Slot Diffusers: A Quick Guide for HVAC Pros \u0026amp; Homeowners\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/19mm-vs-25mm-linear-slot-diffusers-a-quick-guide-for-hvac-pros-homeowners\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca rel=\"noopener noreferrer\" title=\"19mm vs. 25mm Linear Slot Diffusers: A Quick Guide for HVAC Pros \u0026amp; Homeowners\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/19mm-vs-25mm-linear-slot-diffusers-a-quick-guide-for-hvac-pros-homeowners\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eOur Guide to 19mm VS. 25mm Slot Width Differences\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" title=\"Linear Slot Diffusers: The Smart Choice for Modern HVAC Systems\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/linear-slot-diffusers-smart-choice-for-modern-hvac-systems\" target=\"_blank\"\u003eLinear Slot Diffusers: The Smart Choice for Modern HVAC Systems\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" title=\"Why 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/why-6063-t5-aluminum-is-great-for-linear-slot-diffuser-vent-covers\" target=\"_blank\"\u003eWhy 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/linear-slot-diffuser-upgrade-retrofit-vs-new-construction\" title=\"Linear Slot Diffuser Upgrade: A Guide for Retrofit vs. New Construction\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eLinear Slot Diffuser: A Guide for Retrofit vs. New Construction\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca rel=\"noopener noreferrer\" title=\"CFD Airflow Analysis Services for Smarter HVAC Design\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/cfd-airflow-analysis-hvac-design\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eCFD Airflow Analysis Services for Smarter HVAC Design\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch4\u003e\u003cbr\u003e\u003c\/h4\u003e\n\u003ch4\u003eWhat Makes a Grille, Register, or Diffuser \"Commercial Grade\"?\u003c\/h4\u003e\n\u003cp\u003eTrue commercial-grade GRD products provide architects, engineers, and HVAC professionals with the complete technical data needed for precise project specification. This includes detailed information on material composition and comprehensive performance metrics like flow rates, pressure drop, and noise criteria (NC).\u003c\/p\u003e\n\u003cp\u003eAll our products are rigorously tested in accordance with ADC1062:GRD-84 and the ASHRAE 70-2006 standards. We leverage computational fluid dynamics (CFD) and modern testing to continuously refine our designs for optimal performance and energy efficiency.\u003c\/p\u003e\n\u003cp\u003eSince 1997, we have been a trusted manufacturer of high-quality linear slot diffusers (from 1 to 12 slots) for the commercial HVAC industry. For project-specific questions and expert guidance, please \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca style=\"color: rgb(37, 150, 190);\" rel=\"noopener noreferrer\" title=\"Contact Us Form\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" target=\"_blank\"\u003econtact our product specialists\u003c\/a\u003e\u003c\/span\u003e\u003ca rel=\"noopener noreferrer\" title=\"Contact Us Form\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" target=\"_blank\"\u003e\u003c\/a\u003e at +1-604-437-1527.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eVideos\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eShowcase Video of Product - 1 Slot Linear Diffuser\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/7_HLSGJ1dE4?si=EY4zvH8u9dC4YY6Y\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eDemonstration of airflow direction adjustment - 1 Slot Linear Diffuser\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/1Ugg_bT9wDY?si=EHqofWnvuq2Knfv8\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eHow to insert a linear slot diffuser into a plenum\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/HFvCaQcs1rE?si=nYvC4-UoWcE1fsiu\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eLinear Slot Diffuser Smoke Test (Vertical Throw) Video - 1 Slot\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/wzy7QBMM3n0\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eLinear Slot Diffuser Smoke Test (Horizontal Throw) Video - 1 Slot\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/nMeJOL_9g-M\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eVideos of previous custom plenums\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/5kEmsTcA2uE?si=SBMMXiQkfyDlC7Ob\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/gqC7IVD_kbY?si=araziY9knWlseHoy\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eOur retail store showroom - Greater Vancouver, Canada\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/YeWxWnvc0pw?si=qV2UAJzkCEX6TARr\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"Linear Air Diffusers","offers":[{"title":"Default Title","offer_id":42321033920675,"sku":"FWASD19-1\/76W\/1857L\/PCWS02","price":125.7,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-72-inch-1-slot-white-frontview-flomatrix-hvac.png?v=1745797765"},{"product_id":"60-linear-slot-diffuser-1-slot-with-25mm-slot-opening-hvac-vent-cover-matte-white-finish-wasd25-1","title":"60\" Linear Slot Diffuser Vent Cover (1 Slot with 25mm Opening) - Matte White - FLO-MATRIX HVAC","description":"\u003ch5\u003e\u003cspan\u003eDetails\u003c\/span\u003e\u003c\/h5\u003e\n\u003cdiv\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv\u003eThis 60\" linear slot diffuser features a clean white finish, crafted from durable extruded aluminum for architectural and HVAC applications. Designed for general air distribution and VAV systems, its 25mm slot width includes adjustable blades for 180° airflow control. Compared to our 19mm models, it delivers up to 14% higher airflow while reducing static pressure by 18%—improving efficiency without compromising duct performance. For detailed metrics on flow rate, noise, and static pressure (key for system compatibility), refer to our lab-tested data. See our smoke test video to observe its air dispersion performance. \u003cstrong\u003eProfessional installation is recommended.\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSleek, Modern Profile:\u003c\/strong\u003e Designed with a crisp 60\" x 2\" nominal size and a defined 1\" (25mm) opening for a minimalist aesthetic. (\u003cem\u003eDetailed dimensions are in the diagram\u003c\/em\u003e).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngineered for High-Capacity Airflow:\u003c\/strong\u003e Features a wider slot opening, a significant increase over the standard 19mm size. This design allows for a greater volume of air to pass through efficiently, making it ideal for high-demand commercial HVAC systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eKeep Ceilings Clean:\u003c\/strong\u003e Integrated sealing prevents escaped air, which stops ugly dust marks from forming on your ceiling and directs air efficiently.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt for Professional Use:\u003c\/strong\u003e Constructed with heavy-gauge \u003ca href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/why-6063-t5-aluminum-is-great-for-linear-slot-diffuser-vent-covers\" title=\"Why 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\" rel=\"noopener\" target=\"_blank\"\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e6063-T5 aluminum\u003c\/span\u003e\u003c\/a\u003e, fortified Tig welds, and a chip-resistant powder coat for unwavering reliability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable White Matte Finish:\u003c\/strong\u003e Renowned for its toughness, this matte white powder coat provides exceptional protection from scratches, resists corrosion, and maintains its color without fading.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStreamlined, Invisible Install:\u003c\/strong\u003e Enjoy a flawless finish with no visible screws; mounting is handled discreetly on the interior edges. (Hardware not included).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustomizable HVAC Integration:\u003c\/strong\u003e For ideal performance, combine with a \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/pages\/custom-hvac-plenums\" title=\"Custom Plenum Box - Built to your specifications by Flo-Matrix HVAC\" rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003ematching plenum box\u003c\/a\u003e\u003c\/span\u003e (sold separately) designed for your specific needs. \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/youtu.be\/gqC7IVD_kbY?si=1LF7UVkcdi3Q07_p\" title=\"Custom plenum video introduction.\" rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eWatch our intro video\u003c\/a\u003e\u003c\/span\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShips worldwide from our Vancouver, Canada facility. Local pickup is also available at our showroom.\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eNeed custom sizes?\u003cstrong\u003e \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/pages\/linear-slot-diffuser-quote-request\" title=\"Request a Quote for Linear Slot Diffusers\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eRequest a quote for custom linear slot diffusers and plenums\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e to get pricing, lead times, and support for your project.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Linear_Slot_Diffuser_white_single_slot_high_airflow_installed_photo.jpg?v=1780425749\" alt=\"White linear slot diffuser installed on kitchen ceiling, single-slot high-airflow HVAC vent cover with sleek modern design for residential and commercial air distribution.\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003ePerformance\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ctable style=\"width: 500px; height: 134.375px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 204.035px; height: 19.5938px;\"\u003e\u003cb\u003e\u003cspan\u003ePerformance Data\u003c\/span\u003e\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; height: 19.5938px;\"\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 157px; height: 19.5938px;\"\u003e\u003cb\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/b\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 40px;\"\u003e\n\u003ctd style=\"width: 204.035px; text-align: center; height: 40px;\"\u003e\n\u003cp\u003e\u003cem\u003eFlow Rate\u003c\/em\u003e\u003cem\u003e\u003cspan\u003e \u003c\/span\u003e(CFM)\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; text-align: center; height: 40px;\"\u003e\u003cem\u003e Static Pressure (in.wg)\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 157px; text-align: center; height: 40px;\"\u003e\u003cem\u003eNoise Level (NC)\u003c\/em\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 74.7812px;\"\u003e\n\u003ctd style=\"width: 204.035px; text-align: center; height: 74.7812px;\"\u003e\n\u003cp\u003e218\u003cbr\u003e343\u003cbr\u003e456\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; text-align: center; height: 74.7812px;\"\u003e\n\u003cp\u003e0.09\u003cbr\u003e0.21\u003cbr\u003e0.37\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 157px; text-align: center; height: 74.7812px;\"\u003e\n\u003cp\u003e20\u003cbr\u003e30\u003cbr\u003e40\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ctable width=\"100%\" style=\"height: 58.7812px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 58.7812px;\"\u003e\n\u003ctd style=\"height: 58.7812px;\"\u003e\n\u003cp\u003e  * Flow rate (CFM) and static pressure (in.wg) are interrelated. It is crucial to know your HVAC system total or static pressure when choosing the proper GRD for optimal performance.\u003c\/p\u003e\n\u003cp\u003e* Performance data independently verified by a globally recognized third-party testing facility. Tested to ADC1062:GRD-84 and ASHRAE 70-2006 standards. CFD and modern testing ensure optimal performance and energy efficiency. For complete performance data, please \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Contact Flo-Matrix HVAC\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" target=\"_blank\"\u003econtact us\u003c\/a\u003e\u003c\/span\u003e.\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003ca rel=\"noopener\" title=\"High Resolution of Comparison Table (FWASD19-1 VS. FWASD25-1)\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/fwasd19-1-vs-fwasd25-1-linear-slot-diffuser-comparison-commercial-hvac.jpg?v=1780706496\" target=\"_blank\"\u003e\u003cimg style=\"margin-bottom: 16px; float: none;\" alt=\"Commercial HVAC linear slot diffuser comparison between FWASD19-1 and FWASD25-1 featuring 3\/4 inch and 1 inch slot widths, airflow efficiency improvements, reduced pressure loss, quieter operation, showroom demonstration availability, and applications for commercial buildings and custom residential homes.\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/fwasd19-1-vs-fwasd25-1-linear-slot-diffuser-comparison-commercial-hvac.jpg?v=1780706496\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" alt=\"Flo-Matrix HVAC vent cover with built-in weather foam strip compared to standard vent covers without foam gasket, showing improved air seal, reduced dust streaks, cleaner ceilings, better airflow efficiency, and lower maintenance requirements for residential and commercial HVAC applications.\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781729213\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\" title=\"High Resolution of Professional HVAC Diffusers vs Mass Produced Diffusers | Quality Comparison Guide\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg style=\"margin-bottom: 16px; float: none;\" alt=\"Flo-Matrix HVAC professional-grade linear slot diffusers and air grilles compared to mass-produced generic store diffusers, highlighting T5 aluminum construction, superior airflow performance, expert technical support, custom manufacturing options, commercial project experience, showroom availability, and long-term HVAC performance benefits.\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eSubmittal\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003ca rel=\"noopener\" title=\"Linear Slot Diffuser (high flow, one slot) Submittal Sheet High Resolution PDF Download\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser_high_flow_-1-slot-installation-submittal-flomatrix-hvac.pdf?v=1750360336\" target=\"_blank\"\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003eClick here to download a high resolution of this submittal sheet\u003c\/span\u003e\u003c\/strong\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"Linear Slot Diffuser high flow 1-slot submittal\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-high-flow-1-slot-submittal-flomatrix-hvac.jpg?v=1745814018\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"Linear Slot Diffuser high flow 1-slot installation submittal\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-1-slot-installation-submittal-flomatrix-hvac.jpg?v=1745814018\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eResources\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Linear_Slot_Diffuser_Installation_Instructions_High_Resolution.pdf?v=1759781403\" title=\"Linear Slot Diffuser Installation Guide High Resolution Download\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eLinear Slot Diffuser Installation Guide Download\u003c\/a\u003e\u003ca rel=\"noopener noreferrer\" title=\"19mm vs. 25mm Linear Slot Diffusers: A Quick Guide for HVAC Pros \u0026amp; Homeowners\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/19mm-vs-25mm-linear-slot-diffusers-a-quick-guide-for-hvac-pros-homeowners\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca rel=\"noopener noreferrer\" title=\"19mm vs. 25mm Linear Slot Diffusers: A Quick Guide for HVAC Pros \u0026amp; Homeowners\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/19mm-vs-25mm-linear-slot-diffusers-a-quick-guide-for-hvac-pros-homeowners\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eOur Guide to 19mm VS. 25mm Slot Width Differences\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" title=\"Linear Slot Diffusers: The Smart Choice for Modern HVAC Systems\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/linear-slot-diffusers-smart-choice-for-modern-hvac-systems\" target=\"_blank\"\u003eLinear Slot Diffusers: The Smart Choice for Modern HVAC Systems\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" title=\"Why 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/why-6063-t5-aluminum-is-great-for-linear-slot-diffuser-vent-covers\" target=\"_blank\"\u003eWhy 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/linear-slot-diffuser-upgrade-retrofit-vs-new-construction\" title=\"Linear Slot Diffuser Upgrade: A Guide for Retrofit vs. New Construction\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eLinear Slot Diffuser: A Guide for Retrofit vs. New Construction\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca rel=\"noopener noreferrer\" title=\"CFD Airflow Analysis Services for Smarter HVAC Design\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/cfd-airflow-analysis-hvac-design\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eCFD Airflow Analysis Services for Smarter HVAC Design\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eThe Hallmarks of a True Commercial-Grade Grille, Register, or Diffuser\u003c\/h4\u003e\n\u003cp\u003eFor architects and engineers, \"commercial grade\" signifies a product backed by robust technical documentation that enables accurate system design. This essential data encompasses the full material specification and verified performance metrics, including detailed acoustical data (NC levels), pressure drop, and airflow rates.\u003c\/p\u003e\n\u003cp\u003eOur commitment to this standard is verified through rigorous independent testing per ADC1062:GRD-84 and ASHRAE 70-2006. Furthermore, we employ advanced computational fluid dynamics (CFD) in our design process to enhance energy efficiency and optimize air dispersion performance.\u003c\/p\u003e\n\u003cp\u003eWith a legacy dating back to 1997, we have built our reputation on manufacturing premium linear slot diffusers (1-12 slot configurations) for demanding commercial environments. For assistance with your specific project requirements, \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca style=\"color: rgb(37, 150, 190);\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" title=\"Contact US Form\" rel=\"noopener\" target=\"_blank\"\u003ereach out to our product experts\u003c\/a\u003e\u003c\/span\u003e at +1-604-437-1527.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eVideos\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eShowcase Video of Product - 1 Slot Linear Diffuser\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/7_HLSGJ1dE4?si=EY4zvH8u9dC4YY6Y\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eDemonstration of airflow direction adjustment - 1 Slot Linear Diffuser\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/1Ugg_bT9wDY?si=EHqofWnvuq2Knfv8\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eHow to insert a linear slot diffuser into a plenum\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/HFvCaQcs1rE?si=nYvC4-UoWcE1fsiu\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eLinear Slot Diffuser Smoke Test (Vertical Throw) Video - 1 Slot\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/wzy7QBMM3n0\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eLinear Slot Diffuser Smoke Test (Horizontal Throw) Video - 1 Slot\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/nMeJOL_9g-M\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eVideos of previous custom plenums\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/5kEmsTcA2uE?si=SBMMXiQkfyDlC7Ob\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/gqC7IVD_kbY?si=araziY9knWlseHoy\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eOur retail store showroom - Greater Vancouver, Canada\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/YeWxWnvc0pw?si=qV2UAJzkCEX6TARr\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"Linear Air Diffusers","offers":[{"title":"Default Title","offer_id":42321052631203,"sku":"FWASD25-1\/81W\/1552L\/PCWS02","price":105.04,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-high-flow-60-inch-1-slot-white-frontview-flomatrix-hvac.png?v=1745814018"},{"product_id":"72-linear-slot-diffuser-1-slot-high-airflow-hvac-vent-cover-white","title":"72\" Linear Slot Diffuser Vent Cover (1 Slot with 25mm Opening) - Matte White - FLO-MATRIX HVAC","description":"\u003ch5\u003e\u003cspan\u003eDetails\u003c\/span\u003e\u003c\/h5\u003e\n\u003cdiv\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv\u003eThis 72\" linear slot diffuser features a clean white finish, crafted from durable extruded aluminum for architectural and HVAC applications. Designed for general air distribution and VAV systems, its 25mm slot width includes adjustable blades for 180° airflow control. Compared to our 19mm models, it delivers up to 14% higher airflow while reducing static pressure by 18%—improving efficiency without compromising duct performance. For detailed metrics on flow rate, noise, and static pressure (key for system compatibility), refer to our lab-tested data. See our smoke test video to observe its air dispersion performance. \u003cstrong\u003eProfessional installation is recommended.\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSleek, Modern Profile:\u003c\/strong\u003e Designed with a crisp 72\" x 2\" nominal size and a defined 1\" (25mm) opening for a minimalist aesthetic. \u003cem\u003e(Detailed dimensions are in the diagram\u003c\/em\u003e).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngineered for High-Capacity Airflow:\u003c\/strong\u003e Features a wider slot opening, a significant increase over the standard 19mm size. This design allows for a greater volume of air to pass through efficiently, making it ideal for high-demand commercial HVAC systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eKeep Ceilings Clean:\u003c\/strong\u003e Integrated sealing prevents escaped air, which stops ugly dust marks from forming on your ceiling and directs air efficiently.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt for Professional Use:\u003c\/strong\u003e Constructed with heavy-gauge \u003ca href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/why-6063-t5-aluminum-is-great-for-linear-slot-diffuser-vent-covers\" title=\"Why 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\" rel=\"noopener\" target=\"_blank\"\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e6063-T5 aluminum\u003c\/span\u003e\u003c\/a\u003e, fortified Tig welds, and a chip-resistant powder coat for unwavering reliability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable White Matte Finish:\u003c\/strong\u003e Renowned for its toughness, this matte white powder coat provides exceptional protection from scratches, resists corrosion, and maintains its color without fading.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStreamlined, Invisible Install:\u003c\/strong\u003e Enjoy a flawless finish with no visible screws; mounting is handled discreetly on the interior edges. (Hardware not included).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustomizable HVAC Integration:\u003c\/strong\u003e For ideal performance, combine with a \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/pages\/custom-hvac-plenums\" title=\"Custom Plenum Box - Built to your specifications by Flo-Matrix HVAC\" rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003ematching plenum box\u003c\/a\u003e\u003c\/span\u003e (sold separately) designed for your specific needs. \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/youtu.be\/gqC7IVD_kbY?si=1LF7UVkcdi3Q07_p\" title=\"Custom plenum video introduction.\" rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eWatch our intro video\u003c\/a\u003e\u003c\/span\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShips worldwide from our Vancouver, Canada facility. Local pickup is also available at our showroom.\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eNeed custom sizes?\u003cstrong\u003e \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/pages\/linear-slot-diffuser-quote-request\" title=\"Request a Quote for Linear Slot Diffusers\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eRequest a quote for custom linear slot diffusers and plenums\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e to get pricing, lead times, and support for your project.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Linear_Slot_Diffuser_white_single_slot_high_airflow_installed_photo.jpg?v=1780425749\" alt=\"White linear slot diffuser installed on kitchen ceiling, single-slot high-airflow HVAC vent cover with sleek modern design for residential and commercial air distribution.\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003ePerformance\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ctable style=\"width: 500px; height: 134.375px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 204.035px; height: 19.5938px;\"\u003e\u003cb\u003e\u003cspan\u003ePerformance Data\u003c\/span\u003e\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; height: 19.5938px;\"\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 157px; height: 19.5938px;\"\u003e\u003cb\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/b\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 40px;\"\u003e\n\u003ctd style=\"width: 204.035px; text-align: center; height: 40px;\"\u003e\n\u003cp\u003e\u003cem\u003eFlow Rate\u003c\/em\u003e\u003cem\u003e\u003cspan\u003e \u003c\/span\u003e(CFM)\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; text-align: center; height: 40px;\"\u003e\u003cem\u003e Static Pressure (in.wg)\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 157px; text-align: center; height: 40px;\"\u003e\u003cem\u003eNoise Level (NC)\u003c\/em\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 74.7812px;\"\u003e\n\u003ctd style=\"width: 204.035px; text-align: center; height: 74.7812px;\"\u003e\n\u003cp\u003e262\u003cbr\u003e412\u003cbr\u003e547\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; text-align: center; height: 74.7812px;\"\u003e\n\u003cp\u003e0.09\u003cbr\u003e0.21\u003cbr\u003e0.37\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 157px; text-align: center; height: 74.7812px;\"\u003e\n\u003cp\u003e20\u003cbr\u003e30\u003cbr\u003e40\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e  * Flow rate (CFM) and static pressure (in.wg) are interrelated. It is crucial to know your HVAC system total or static pressure when choosing the proper GRD for optimal performance.\u003c\/p\u003e\n\u003cp\u003e* Performance data independently verified by a globally recognized third-party testing facility. Tested to ADC1062:GRD-84 and ASHRAE 70-2006 standards. CFD and modern testing ensure optimal performance and energy efficiency. For complete performance data, please \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Contact Flo-Matrix HVAC\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" target=\"_blank\"\u003econtact us\u003c\/a\u003e\u003c\/span\u003e.\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003ca rel=\"noopener\" title=\"High Resolution of Comparison Table (FWASD19-1 VS. FWASD25-1)\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/fwasd19-1-vs-fwasd25-1-linear-slot-diffuser-comparison-commercial-hvac.jpg?v=1780706496\" target=\"_blank\"\u003e\u003cimg style=\"margin-bottom: 16px; float: none;\" alt=\"Commercial HVAC linear slot diffuser comparison between FWASD19-1 and FWASD25-1 featuring 3\/4 inch and 1 inch slot widths, airflow efficiency improvements, reduced pressure loss, quieter operation, showroom demonstration availability, and applications for commercial buildings and custom residential homes.\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/fwasd19-1-vs-fwasd25-1-linear-slot-diffuser-comparison-commercial-hvac.jpg?v=1780706496\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" alt=\"Flo-Matrix HVAC vent cover with built-in weather foam strip compared to standard vent covers without foam gasket, showing improved air seal, reduced dust streaks, cleaner ceilings, better airflow efficiency, and lower maintenance requirements for residential and commercial HVAC applications.\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781729213\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\" title=\"High Resolution of Professional HVAC Diffusers vs Mass Produced Diffusers | Quality Comparison Guide\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg style=\"margin-bottom: 16px; float: none;\" alt=\"Flo-Matrix HVAC professional-grade linear slot diffusers and air grilles compared to mass-produced generic store diffusers, highlighting T5 aluminum construction, superior airflow performance, expert technical support, custom manufacturing options, commercial project experience, showroom availability, and long-term HVAC performance benefits.\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eSubmittal\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003ca rel=\"noopener\" title=\"Linear Slot Diffuser (high flow, one slot) Submittal Sheet High Resolution PDF Download\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser_high_flow_-1-slot-installation-submittal-flomatrix-hvac.pdf?v=1750360336\" target=\"_blank\"\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003eClick here to download a high resolution of this submittal sheet\u003c\/span\u003e\u003c\/strong\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-high-flow-1-slot-submittal-flomatrix-hvac.jpg?v=1745814612\" alt=\"Linear Slot Diffuser high flow 1-slot submittal\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-1-slot-installation-submittal-flomatrix-hvac.jpg?v=1745814612\" alt=\"Linear Slot Diffuser high flow 1-slot installation submittal\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eResources\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Linear_Slot_Diffuser_Installation_Instructions_High_Resolution.pdf?v=1759781403\" title=\"Linear Slot Diffuser Installation Guide High Resolution Download\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eLinear Slot Diffuser Installation Guide Download\u003c\/a\u003e\u003ca rel=\"noopener noreferrer\" title=\"19mm vs. 25mm Linear Slot Diffusers: A Quick Guide for HVAC Pros \u0026amp; Homeowners\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/19mm-vs-25mm-linear-slot-diffusers-a-quick-guide-for-hvac-pros-homeowners\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca rel=\"noopener noreferrer\" title=\"19mm vs. 25mm Linear Slot Diffusers: A Quick Guide for HVAC Pros \u0026amp; Homeowners\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/19mm-vs-25mm-linear-slot-diffusers-a-quick-guide-for-hvac-pros-homeowners\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eOur Guide to 19mm VS. 25mm Slot Width Differences\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" title=\"Linear Slot Diffusers: The Smart Choice for Modern HVAC Systems\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/linear-slot-diffusers-smart-choice-for-modern-hvac-systems\" target=\"_blank\"\u003eLinear Slot Diffusers: The Smart Choice for Modern HVAC Systems\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" title=\"Why 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/why-6063-t5-aluminum-is-great-for-linear-slot-diffuser-vent-covers\" target=\"_blank\"\u003eWhy 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/linear-slot-diffuser-upgrade-retrofit-vs-new-construction\" title=\"Linear Slot Diffuser Upgrade: A Guide for Retrofit vs. New Construction\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eLinear Slot Diffuser: A Guide for Retrofit vs. New Construction\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca rel=\"noopener noreferrer\" title=\"CFD Airflow Analysis Services for Smarter HVAC Design\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/cfd-airflow-analysis-hvac-design\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eCFD Airflow Analysis Services for Smarter HVAC Design\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eThe Hallmarks of a True Commercial-Grade Grille, Register, or Diffuser\u003c\/h4\u003e\n\u003cp\u003eFor architects and engineers, \"commercial grade\" signifies a product backed by robust technical documentation that enables accurate system design. This essential data encompasses the full material specification and verified performance metrics, including detailed acoustical data (NC levels), pressure drop, and airflow rates.\u003c\/p\u003e\n\u003cp\u003eOur commitment to this standard is verified through rigorous independent testing per ADC1062:GRD-84 and ASHRAE 70-2006. Furthermore, we employ advanced computational fluid dynamics (CFD) in our design process to enhance energy efficiency and optimize air dispersion performance.\u003c\/p\u003e\n\u003cp\u003eWith a legacy dating back to 1997, we have built our reputation on manufacturing premium linear slot diffusers (1-12 slot configurations) for demanding commercial environments. For assistance with your specific project requirements, \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca style=\"color: rgb(37, 150, 190);\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" title=\"Contact US Form\" rel=\"noopener\" target=\"_blank\"\u003ereach out to our product experts\u003c\/a\u003e\u003c\/span\u003e at +1-604-437-1527.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eVideos\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eShowcase Video of Product - 1 Slot Linear Diffuser\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/7_HLSGJ1dE4?si=EY4zvH8u9dC4YY6Y\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eDemonstration of airflow direction adjustment - 1 Slot Linear Diffuser\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/1Ugg_bT9wDY?si=EHqofWnvuq2Knfv8\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eHow to insert a linear slot diffuser into a plenum\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/HFvCaQcs1rE?si=nYvC4-UoWcE1fsiu\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eLinear Slot Diffuser Smoke Test (Vertical Throw) Video - 1 Slot\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/wzy7QBMM3n0\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eLinear Slot Diffuser Smoke Test (Horizontal Throw) Video - 1 Slot\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/nMeJOL_9g-M\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eVideos of previous custom plenums\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/5kEmsTcA2uE?si=SBMMXiQkfyDlC7Ob\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/gqC7IVD_kbY?si=araziY9knWlseHoy\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eOur retail store showroom - Greater Vancouver, Canada\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/YeWxWnvc0pw?si=qV2UAJzkCEX6TARr\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"Linear Air Diffusers","offers":[{"title":"Default Title","offer_id":42321062887587,"sku":"FWASD25-1\/81W\/1857L\/PCWS02","price":125.7,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-high-flow-72-inch-1-slot-white-frontview-flomatrix-hvac.png?v=1745814612"},{"product_id":"18-linear-slot-diffuser-1-slot-with-25mm-slot-opening-hvac-vent-cover-matte-white-finish-wasd25-1","title":"18\" Linear Slot Diffuser Vent Cover (1 Slot with 25mm Opening) - Matte White - FLO-MATRIX HVAC","description":"\u003ch5\u003e\u003cspan\u003eDetails\u003c\/span\u003e\u003c\/h5\u003e\n\u003cdiv\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv\u003eThis 18\" linear slot diffuser features a clean white finish, crafted from durable extruded aluminum for architectural and HVAC applications. Designed for general air distribution and VAV systems, its 25mm slot width includes adjustable blades for 180° airflow control. Compared to our 19mm models, it delivers up to 14% higher airflow while reducing static pressure by 18%—improving efficiency without compromising duct performance. For detailed metrics on flow rate, noise, and static pressure (key for system compatibility), refer to our lab-tested data. See our smoke test video to observe its air dispersion performance. \u003cstrong\u003eProfessional installation is recommended.\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSleek, Modern Profile:\u003c\/strong\u003e Designed with a crisp 18\" x 2\" nominal size and a defined 1\" (25mm) opening for a minimalist aesthetic. (\u003cem\u003eDetailed dimensions are in the diagram\u003c\/em\u003e).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngineered for High-Capacity Airflow:\u003c\/strong\u003e Features a wider slot opening, a significant increase over the standard 19mm size. This design allows for a greater volume of air to pass through efficiently, making it ideal for high-demand commercial HVAC systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eKeep Ceilings Clean:\u003c\/strong\u003e Integrated sealing prevents escaped air, which stops ugly dust marks from forming on your ceiling and directs air efficiently.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt for Professional Use:\u003c\/strong\u003e Constructed with heavy-gauge \u003ca rel=\"noopener\" title=\"Why 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/why-6063-t5-aluminum-is-great-for-linear-slot-diffuser-vent-covers\" target=\"_blank\"\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e6063-T5 aluminum\u003c\/span\u003e\u003c\/a\u003e, fortified Tig welds, and a chip-resistant powder coat for unwavering reliability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable White Matte Finish:\u003c\/strong\u003e Renowned for its toughness, this matte white powder coat provides exceptional protection from scratches, resists corrosion, and maintains its color without fading.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStreamlined, Invisible Install:\u003c\/strong\u003e Enjoy a flawless finish with no visible screws; mounting is handled discreetly on the interior edges. (Hardware not included).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMatching Plenum:\u003c\/strong\u003e \u003cspan style=\"color: rgb(31, 33, 36);\"\u003ePair this linear slot diffuser with our \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/products\/18x2-plenums-fxp\" title=\"Matching Custom Linear Slot Diffuser Plenum (18x2)\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003ecustomizable 18x2 Plenums FXP Series\u003c\/a\u003e\u003c\/span\u003e (sold separately) to perfectly match your HVAC system's requirements. \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca style=\"color: rgb(37, 150, 190);\" href=\"https:\/\/youtu.be\/gqC7IVD_kbY?si=1LF7UVkcdi3Q07_p\" title=\"Video of our plenums for linear slot diffusers air vent covers.\" rel=\"noopener noreferrer\" target=\"_blank\"\u003eWatch our plenums intro video\u003c\/a\u003e\u003c\/span\u003e or click \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Custom Plenum Box - Built to your specifications by Flo-Matrix HVAC\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/custom-hvac-plenums\" target=\"_blank\"\u003ehere to learn more about our custom plenums\u003c\/a\u003e\u003c\/span\u003e.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShips worldwide from our Vancouver, Canada facility. Local pickup is also available at our showroom.\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg alt=\"Full dimensions of a white 18 inch 1-slot linear diffuser with 25mm openings for high airflow in commercial HVAC systems\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-high-flow-18-inch-1-slot-white-fulldimensions-flomatrix-hvac.jpg?v=1745802175\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eNeed custom sizes?\u003cstrong\u003e \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/pages\/linear-slot-diffuser-quote-request\" title=\"Request a Quote for Linear Slot Diffusers\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eRequest a quote for custom linear slot diffusers and plenums\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e to get pricing, lead times, and support for your project.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Linear_Slot_Diffuser_white_single_slot_high_airflow_installed_photo.jpg?v=1780425749\" alt=\"White linear slot diffuser installed on kitchen ceiling, single-slot high-airflow HVAC vent cover with sleek modern design for residential and commercial air distribution.\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003ePerformance\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ctable style=\"width: 500px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003ctd style=\"width: 204.035px; height: 19px;\"\u003e\u003cb\u003e\u003cspan\u003ePerformance Data\u003c\/span\u003e\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; height: 19px;\"\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 157px; height: 19px;\"\u003e\u003cb\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/b\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 40px;\"\u003e\n\u003ctd style=\"width: 204.035px; text-align: center; height: 40px;\"\u003e\n\u003cp\u003e\u003cem\u003eFlow Rate\u003c\/em\u003e\u003cem\u003e\u003cspan\u003e \u003c\/span\u003e(CFM)\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; text-align: center; height: 40px;\"\u003e\u003cem\u003e Static Pressure (in.wg)\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 157px; text-align: center; height: 40px;\"\u003e\u003cem\u003eNoise Level (NC)\u003c\/em\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 59.3578px;\"\u003e\n\u003ctd style=\"width: 204.035px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e65\u003cbr\u003e103\u003cbr\u003e136\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e0.09\u003cbr\u003e0.21\u003cbr\u003e0.37\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 157px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e20\u003cbr\u003e30\u003cbr\u003e40\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e  * Flow rate (CFM) and static pressure (in.wg) are interrelated. It is crucial to know your HVAC system total or static pressure when choosing the proper GRD for optimal performance.\u003c\/p\u003e\n\u003cp\u003e* Performance data independently verified by a globally recognized third-party testing facility. Tested to ADC1062:GRD-84 and ASHRAE 70-2006 standards. CFD and modern testing ensure optimal performance and energy efficiency. For complete performance data, please \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Contact Flo-Matrix HVAC\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" target=\"_blank\"\u003econtact us\u003c\/a\u003e\u003c\/span\u003e.\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003ca rel=\"noopener\" title=\"High Resolution of Comparison Table (FWASD19-1 VS. FWASD25-1)\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/fwasd19-1-vs-fwasd25-1-linear-slot-diffuser-comparison-commercial-hvac.jpg?v=1780706496\" target=\"_blank\"\u003e\u003cimg style=\"margin-bottom: 16px; float: none;\" alt=\"Commercial HVAC linear slot diffuser comparison between FWASD19-1 and FWASD25-1 featuring 3\/4 inch and 1 inch slot widths, airflow efficiency improvements, reduced pressure loss, quieter operation, showroom demonstration availability, and applications for commercial buildings and custom residential homes.\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/fwasd19-1-vs-fwasd25-1-linear-slot-diffuser-comparison-commercial-hvac.jpg?v=1780706496\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" alt=\"Flo-Matrix HVAC vent cover with built-in weather foam strip compared to standard vent covers without foam gasket, showing improved air seal, reduced dust streaks, cleaner ceilings, better airflow efficiency, and lower maintenance requirements for residential and commercial HVAC applications.\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781729213\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\" title=\"High Resolution of Professional HVAC Diffusers vs Mass Produced Diffusers | Quality Comparison Guide\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg style=\"margin-bottom: 16px; float: none;\" alt=\"Flo-Matrix HVAC professional-grade linear slot diffusers and air grilles compared to mass-produced generic store diffusers, highlighting T5 aluminum construction, superior airflow performance, expert technical support, custom manufacturing options, commercial project experience, showroom availability, and long-term HVAC performance benefits.\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003e\u003cbr\u003e\u003c\/h5\u003e\n\u003ch5\u003eSubmittal\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser_high_flow_-1-slot-installation-submittal-flomatrix-hvac.pdf?v=1750360336\" title=\"Linear Slot Diffuser (high flow, one slot) Submittal Sheet High Resolution PDF Download\" rel=\"noopener\" target=\"_blank\"\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003eClick here to download a high resolution of this submittal sheet\u003c\/span\u003e\u003c\/strong\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\n\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/FWASD25-1_FLO_SUBMITTAL_240423-images-1.jpg?v=1714191210\"\u003e\u003cimg alt=\"Linear Slot Diffuser high flow 1-slot submittal\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-high-flow-1-slot-submittal-flomatrix-hvac.jpg?v=1745802175\"\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg alt=\"Linear Slot Diffuser high flow 1-slot installation submittal\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-1-slot-installation-submittal-flomatrix-hvac.jpg?v=1745802175\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/FWASD25-1_FLO_SUBMITTAL_240423-images-2.jpg?v=1714191210\"\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eResources\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Linear_Slot_Diffuser_Installation_Instructions_High_Resolution.pdf?v=1759781403\" title=\"Linear Slot Diffuser Installation Guide High Resolution Download\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eLinear Slot Diffuser Installation Guide Download\u003c\/a\u003e\u003ca rel=\"noopener noreferrer\" title=\"19mm vs. 25mm Linear Slot Diffusers: A Quick Guide for HVAC Pros \u0026amp; Homeowners\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/19mm-vs-25mm-linear-slot-diffusers-a-quick-guide-for-hvac-pros-homeowners\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca rel=\"noopener noreferrer\" title=\"19mm vs. 25mm Linear Slot Diffusers: A Quick Guide for HVAC Pros \u0026amp; Homeowners\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/19mm-vs-25mm-linear-slot-diffusers-a-quick-guide-for-hvac-pros-homeowners\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eOur Guide to 19mm VS. 25mm Slot Width Differences\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" title=\"Linear Slot Diffusers: The Smart Choice for Modern HVAC Systems\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/linear-slot-diffusers-smart-choice-for-modern-hvac-systems\" target=\"_blank\"\u003eLinear Slot Diffusers: The Smart Choice for Modern HVAC Systems\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" title=\"Why 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/why-6063-t5-aluminum-is-great-for-linear-slot-diffuser-vent-covers\" target=\"_blank\"\u003eWhy 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/linear-slot-diffuser-upgrade-retrofit-vs-new-construction\" title=\"Linear Slot Diffuser Upgrade: A Guide for Retrofit vs. New Construction\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eLinear Slot Diffuser: A Guide for Retrofit vs. New Construction\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca rel=\"noopener noreferrer\" title=\"CFD Airflow Analysis Services for Smarter HVAC Design\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/cfd-airflow-analysis-hvac-design\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eCFD Airflow Analysis Services for Smarter HVAC Design\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eThe Hallmarks of a True Commercial-Grade Grille, Register, or Diffuser\u003c\/h4\u003e\n\u003cp\u003eFor architects and engineers, \"commercial grade\" signifies a product backed by robust technical documentation that enables accurate system design. This essential data encompasses the full material specification and verified performance metrics, including detailed acoustical data (NC levels), pressure drop, and airflow rates.\u003c\/p\u003e\n\u003cp\u003eOur commitment to this standard is verified through rigorous independent testing per ADC1062:GRD-84 and ASHRAE 70-2006. Furthermore, we employ advanced computational fluid dynamics (CFD) in our design process to enhance energy efficiency and optimize air dispersion performance.\u003c\/p\u003e\n\u003cp\u003eWith a legacy dating back to 1997, we have built our reputation on manufacturing premium linear slot diffusers (1-12 slot configurations) for demanding commercial environments. For assistance with your specific project requirements, \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" title=\"Contact US Form\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003ereach out to our product experts\u003c\/a\u003e\u003c\/span\u003e at +1-604-437-1527.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eVideos\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eShowcase Video of Product - 1 Slot Linear Diffuser\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/7_HLSGJ1dE4?si=EY4zvH8u9dC4YY6Y\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eDemonstration of airflow direction adjustment - 1 Slot Linear Diffuser\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/1Ugg_bT9wDY?si=EHqofWnvuq2Knfv8\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eHow to insert a linear slot diffuser into a plenum\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/HFvCaQcs1rE?si=nYvC4-UoWcE1fsiu\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eLinear Slot Diffuser Smoke Test (Vertical Throw) Video - 1 Slot\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/wzy7QBMM3n0\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eLinear Slot Diffuser Smoke Test (Horizontal Throw) Video - 1 Slot\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/nMeJOL_9g-M\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eVideos of previous custom plenums\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/5kEmsTcA2uE?si=SBMMXiQkfyDlC7Ob\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/gqC7IVD_kbY?si=araziY9knWlseHoy\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eOur retail store showroom - Greater Vancouver, Canada\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/YeWxWnvc0pw?si=qV2UAJzkCEX6TARr\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"Linear Air Diffusers","offers":[{"title":"Default Title","offer_id":42322878300323,"sku":"FWASD25-1\/81W\/484L\/PCWS02","price":35.44,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-high-flow-18-inch-1-slot-white-frontview-flomatrix-hvac.png?v=1745803333"},{"product_id":"18-linear-slot-diffuser-1-slot-with-19mm-slot-opening-hvac-vent-cover-matte-white-finish-wasd19-1","title":"18\" Linear Slot Diffuser Vent Cover (1 Slot with 19mm Opening) - Matte White - FLO-MATRIX HVAC","description":"\u003ch5\u003eDetails\u003c\/h5\u003e\n\u003cdiv\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003eThis 18-inch linear slot diffuser delivers both aesthetic appeal and performance with its crisp matte white finish. Unlike inferior alternatives, it's crafted from heavy-duty extruded aluminum - identical to the premium material specified for high-end commercial installations. This vent cover excels at maintaining consistent airflow in your environment while offering precise control for VAV applications through its 19mm slot opening and 180-degree adjustable blades. (See our airflow visualization video for performance verification in the videos section.) \u003cstrong\u003eWe recommend professional installation by qualified HVAC technicians for optimal results.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Size \u0026amp; Design:\u003c\/strong\u003e Features a clean 18\" x 1.5\" nominal size with a sharp ¾\" (19mm) slot opening for a sleek, modern aesthetic. (\u003cem\u003ePlease refer to the size diagram for detailed dimensions\u003c\/em\u003e).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEliminates Ceiling Smudges: \u003c\/strong\u003eAn integrated weather-stripping seal prevents air leakage, protecting your ceiling from unsightly dust marks and ensuring all air is directed through the diffuser.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable, Commercial-Grade Construction: \u003c\/strong\u003eBuilt from heavy-duty \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/why-6063-t5-aluminum-is-great-for-linear-slot-diffuser-vent-covers\" title=\"Why 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003e6063-T5 architectural-grade aluminum\u003c\/a\u003e\u003c\/span\u003e with a tough powder coat finish and reinforced Tig welds to resist cracking, chipping, and bending for a lifetime of performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStrong Matte White Surface\u003c\/strong\u003e: Features a sophisticated matte white powder coat that is not only elegant but also remarkably resistant to wear, including scratches and corrosion.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClean, Minimalist Installation:\u003c\/strong\u003e Designed for a flawless look with no visible screw holes. Fastening points are discreetly located on the inner border sides. (Note: Fasteners are not included).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMatching Plenum:\u003c\/strong\u003e \u003cspan style=\"color: rgb(31, 33, 36);\"\u003ePair this linear slot diffuser with our \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/products\/18x2-plenums-fxp\" title=\"Matching Custom Linear Slot Diffuser Plenum (18x2)\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003ecustomizable 18x2 Plenums FXP Series\u003c\/a\u003e\u003c\/span\u003e (sold separately) to perfectly match your HVAC system's requirements. \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca style=\"color: rgb(37, 150, 190);\" href=\"https:\/\/youtu.be\/gqC7IVD_kbY?si=1LF7UVkcdi3Q07_p\" title=\"Video of our plenums for linear slot diffusers air vent covers.\" rel=\"noopener noreferrer\" target=\"_blank\"\u003eWatch our plenums intro video\u003c\/a\u003e\u003c\/span\u003e or click \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Custom Plenum Box - Built to your specifications by Flo-Matrix HVAC\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/custom-hvac-plenums\" target=\"_blank\"\u003ehere to learn more about our custom plenums\u003c\/a\u003e\u003c\/span\u003e.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShips worldwide from our Vancouver, Canada facility. Local pickup is also available at our showroom.\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-18-inch-1-slot-white-fulldimensions-flomatrix-hvac.jpg?v=1745794545\" alt=\"Full dimensions of a white 18 inch 1-slot linear diffuser with 19mm openings for precision airflow in commercial HVAC systems\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eNeed custom sizes?\u003cstrong\u003e \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/pages\/linear-slot-diffuser-quote-request\" title=\"Request a Quote for Linear Slot Diffusers\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eRequest a quote for custom linear slot diffusers and plenums\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e to get pricing, lead times, and support for your project.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Linear_Slot_Diffuser_white_installed_photo.jpg?v=1780425749\" alt=\"White linear slot air diffuser installed in finished ceiling, minimalist HVAC vent design for effective heating, cooling, and ventilation.\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003ePerformance\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ctable style=\"width: 500px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003ctd style=\"width: 204.035px; height: 19px;\"\u003e\u003cb\u003e\u003cspan\u003ePerformance Data\u003c\/span\u003e\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; height: 19px;\"\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 157px; height: 19px;\"\u003e\u003cb\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/b\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 40px;\"\u003e\n\u003ctd style=\"width: 204.035px; text-align: center; height: 40px;\"\u003e\n\u003cp\u003e\u003cem\u003eFlow Rate\u003c\/em\u003e\u003cem\u003e\u003cspan\u003e \u003c\/span\u003e(CFM)\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; text-align: center; height: 40px;\"\u003e\u003cem\u003e Static Pressure (in.wg)\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 157px; text-align: center; height: 40px;\"\u003e\u003cem\u003eNoise Level (NC)\u003c\/em\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 59.3578px;\"\u003e\n\u003ctd style=\"width: 204.035px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e65\u003cbr\u003e90\u003cbr\u003e131\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e0.11\u003cbr\u003e0.20\u003cbr\u003e0.41\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 157px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e20\u003cbr\u003e30\u003cbr\u003e40\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e  * Flow rate (CFM) and static pressure (in.wg) are interrelated. It is crucial to know your HVAC system total or static pressure when choosing the proper GRD for optimal performance.\u003c\/p\u003e\n\u003cp\u003e* Performance data independently verified by a globally recognized third-party testing facility. Tested to ADC1062:GRD-84 and ASHRAE 70-2006 standards. CFD and modern testing ensure optimal performance and energy efficiency. For complete performance data, please \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Contact Flo-Matrix HVAC\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" target=\"_blank\"\u003econtact us\u003c\/a\u003e\u003c\/span\u003e.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003ca style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" title=\"Linear Slot Diffuser - 25mm wide opening - 1 Slot Vent Covers\" href=\"https:\/\/www.linearairdiffusers.com\/collections\/linear-slot-diffuser-1-slot-with-25mm-slot-opening\" target=\"_blank\"\u003eNeed more airflow? See the enhanced airflow 1-slot diffuser\u003c\/a\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/fwasd19-1-vs-fwasd25-1-linear-slot-diffuser-comparison-commercial-hvac.jpg?v=1780706496\" title=\"High Resolution of Comparison Table (FWASD19-1 VS. FWASD25-1)\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/fwasd19-1-vs-fwasd25-1-linear-slot-diffuser-comparison-commercial-hvac.jpg?v=1780706496\" alt=\"Commercial HVAC linear slot diffuser comparison between FWASD19-1 and FWASD25-1 featuring 3\/4 inch and 1 inch slot widths, airflow efficiency improvements, reduced pressure loss, quieter operation, showroom demonstration availability, and applications for commercial buildings and custom residential homes.\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" alt=\"Flo-Matrix HVAC vent cover with built-in weather foam strip compared to standard vent covers without foam gasket, showing improved air seal, reduced dust streaks, cleaner ceilings, better airflow efficiency, and lower maintenance requirements for residential and commercial HVAC applications.\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781729213\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003ca rel=\"noopener\" title=\"High Resolution of Professional HVAC Diffusers vs Mass Produced Diffusers | Quality Comparison Guide\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\" alt=\"Flo-Matrix HVAC professional-grade linear slot diffusers and air grilles compared to mass-produced generic store diffusers, highlighting T5 aluminum construction, superior airflow performance, expert technical support, custom manufacturing options, commercial project experience, showroom availability, and long-term HVAC performance benefits.\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5 style=\"text-align: left;\"\u003eSubmittal\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Linear Slot Diffuser (one slot) Submittal Sheet High Resolution PDF Download\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Linear_Slot_Diffuser_1-slot_submittal_high_resolution_download.pdf?v=1750363158\" target=\"_blank\"\u003eClick here to download a high resolution of this submittal sheet\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-1-slot-submittal-flomatrix-hvac.jpg?v=1745794545\" alt=\"Linear Slot Diffuser -1-slot submittal\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eResources\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Linear Slot Diffuser Installation Guide High Resolution Download\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Linear_Slot_Diffuser_Installation_Instructions_High_Resolution.pdf?v=1759781403\" target=\"_blank\"\u003eLinear Slot Diffuser Installation Guide Download\u003c\/a\u003e\u003ca style=\"color: rgb(37, 150, 190);\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/19mm-vs-25mm-linear-slot-diffusers-a-quick-guide-for-hvac-pros-homeowners\" title=\"19mm vs. 25mm Linear Slot Diffusers: A Quick Guide for HVAC Pros \u0026amp; Homeowners\" rel=\"noopener noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca style=\"color: rgb(37, 150, 190);\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/19mm-vs-25mm-linear-slot-diffusers-a-quick-guide-for-hvac-pros-homeowners\" title=\"19mm vs. 25mm Linear Slot Diffusers: A Quick Guide for HVAC Pros \u0026amp; Homeowners\" rel=\"noopener noreferrer\" target=\"_blank\"\u003eOur Guide to 19mm VS. 25mm Slot Width Differences\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/linear-slot-diffusers-smart-choice-for-modern-hvac-systems\" title=\"Linear Slot Diffusers: The Smart Choice for Modern HVAC Systems\" rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eLinear Slot Diffusers: The Smart Choice for Modern HVAC Systems\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/why-6063-t5-aluminum-is-great-for-linear-slot-diffuser-vent-covers\" title=\"Why 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\" rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eWhy 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Linear Slot Diffuser Upgrade: A Guide for Retrofit vs. New Construction\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/linear-slot-diffuser-upgrade-retrofit-vs-new-construction\" target=\"_blank\"\u003eLinear Slot Diffuser: A Guide for Retrofit vs. New Construction\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca style=\"color: rgb(37, 150, 190);\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/cfd-airflow-analysis-hvac-design\" title=\"CFD Airflow Analysis Services for Smarter HVAC Design\" rel=\"noopener noreferrer\" target=\"_blank\"\u003eCFD Airflow Analysis Services for Smarter HVAC Design\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eWhat Makes a Grille, Register, or Diffuser \"Commercial Grade\"?\u003c\/h4\u003e\n\u003cp\u003eTrue commercial-grade GRD products provide architects, engineers, and HVAC professionals with the complete technical data needed for precise project specification. This includes detailed information on material composition and comprehensive performance metrics like flow rates, pressure drop, and noise criteria (NC).\u003c\/p\u003e\n\u003cp\u003eAll our products are rigorously tested in accordance with ADC1062:GRD-84 and the ASHRAE 70-2006 standards. We leverage computational fluid dynamics (CFD) and modern testing to continuously refine our designs for optimal performance and energy efficiency.\u003c\/p\u003e\n\u003cp\u003eSince 1997, we have been a trusted manufacturer of high-quality linear slot diffusers (from 1 to 12 slots) for the commercial HVAC industry. For project-specific questions and expert guidance, please \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca style=\"color: rgb(37, 150, 190);\" rel=\"noopener noreferrer\" title=\"Contact Us Form\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" target=\"_blank\"\u003econtact our product specialists\u003c\/a\u003e\u003c\/span\u003e at +1-604-437-1527.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eVideos\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eShowcase Video of Product - 1 Slot Linear Diffuser\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/7_HLSGJ1dE4?si=EY4zvH8u9dC4YY6Y\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eDemonstration of airflow direction adjustment - 1 Slot Linear Diffuser\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/1Ugg_bT9wDY?si=EHqofWnvuq2Knfv8\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eHow to insert a linear slot diffuser into a plenum\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/HFvCaQcs1rE?si=nYvC4-UoWcE1fsiu\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eLinear Slot Diffuser Smoke Test (Vertical Throw) Video - 1 Slot\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/wzy7QBMM3n0\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eLinear Slot Diffuser Smoke Test (Horizontal Throw) Video - 1 Slot\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/nMeJOL_9g-M\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eVideos of previous custom plenums\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/5kEmsTcA2uE?si=SBMMXiQkfyDlC7Ob\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/gqC7IVD_kbY?si=araziY9knWlseHoy\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eOur retail store showroom - Greater Vancouver, Canada\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/YeWxWnvc0pw?si=qV2UAJzkCEX6TARr\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"Linear Air Diffusers","offers":[{"title":"Default Title","offer_id":42322896715939,"sku":"FWASD19-1\/76W\/484L\/PCWS02","price":35.44,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-18-inch-1-slot-white-frontview-flomatrix-hvac.png?v=1745794545"},{"product_id":"20-linear-slot-diffuser-hvac-air-vent-cover-1-slot-with-25mm-slot-opening-matte-black-finish-wasd25-1","title":"20\" Linear Slot Diffuser Vent Cover (1 Slot with 25mm Opening) - Matte Black - FLO-MATRIX HVAC","description":"\u003ch5\u003e\u003cspan\u003eDetails\u003c\/span\u003e\u003c\/h5\u003e\n\u003cdiv\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv\u003eThis 20\" linear slot diffuser features a sleek matte black finish and is built for durability with solid extruded aluminum, making it ideal for HVAC and architectural projects. Perfect for general air distribution and VAV systems, its 25mm slot width with adjustable blades allows a 180° airflow pattern, boosting airflow by up to 14% compared to our 19mm models while reducing static pressure by 18%. This ensures better efficiency without straining duct pressure. For performance details on flow rate, noise, and static pressure—all critical for HVAC compatibility—review our lab data in the performance section. Check our smoke test video to see airflow performance in action. \u003cstrong\u003eProfessional installation is recommended.\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSleek, Modern Profile:\u003c\/strong\u003e Designed with a crisp 20\" x 2\" nominal size and a defined 1\" (25mm) opening for a minimalist aesthetic. (\u003cem\u003eDetailed dimensions are in the diagram\u003c\/em\u003e).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngineered for High-Capacity Airflow:\u003c\/strong\u003e Features a wider slot opening, a significant increase over the standard 19mm size. This design allows for a greater volume of air to pass through efficiently, making it ideal for high-demand commercial HVAC systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eKeep Ceilings Clean:\u003c\/strong\u003e Integrated sealing prevents escaped air, which stops ugly dust marks from forming on your ceiling and directs air efficiently.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt for Professional Use:\u003c\/strong\u003e Constructed with heavy-gauge \u003ca rel=\"noopener\" title=\"Why 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/why-6063-t5-aluminum-is-great-for-linear-slot-diffuser-vent-covers\" target=\"_blank\"\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e6063-T5 aluminum\u003c\/span\u003e\u003c\/a\u003e, fortified Tig welds, and a chip-resistant powder coat for unwavering reliability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSophisticated Matte Black:\u003c\/strong\u003e Finished in a premium matte black powder coat that is as durable as it is stylish, offering superior protection against wear.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStreamlined, Invisible Install:\u003c\/strong\u003e Enjoy a flawless finish with no visible screws; mounting is handled discreetly on the interior edges. (Hardware not included).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMatching Plenum:\u003c\/strong\u003e \u003cspan style=\"color: rgb(31, 33, 36);\"\u003ePair this linear slot diffuser with our \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Matching Custom Linear Slot Diffuser Plenum (20x2)\" href=\"https:\/\/www.linearairdiffusers.com\/products\/20x2-plenums-fxp\" target=\"_blank\"\u003ecustomizable 20x2 Plenums FXP Series\u003c\/a\u003e\u003c\/span\u003e (sold separately) to perfectly match your HVAC system's requirements. \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener noreferrer\" title=\"Video of our plenums for linear slot diffusers air vent covers.\" href=\"https:\/\/youtu.be\/gqC7IVD_kbY?si=1LF7UVkcdi3Q07_p\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eWatch our plenums intro video\u003c\/a\u003e\u003c\/span\u003e or click \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/pages\/custom-hvac-plenums\" title=\"Custom Plenum Box - Built to your specifications by Flo-Matrix HVAC\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003ehere to learn more about our custom plenums\u003c\/a\u003e\u003c\/span\u003e.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShips worldwide from our Vancouver, Canada facility. Local pickup is also available at our showroom.\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-high-flow-20-inch-1-slot-black-fulldimensions-flomatrix-hvac.jpg?v=1744921937\" alt=\"Full dimensions of a black 20-inch 1-slot linear diffuser with 25mm openings for high airflow in commercial HVAC systems\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eNeed custom sizes?\u003cstrong\u003e \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/pages\/linear-slot-diffuser-quote-request\" title=\"Request a Quote for Linear Slot Diffusers\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eRequest a quote for custom linear slot diffusers and plenums\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e to get pricing, lead times, and support for your project.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Linear_Slot_Diffuser_black-single_high_airflow_installed_photo.jpg?v=1780422000\" alt=\"Black linear slot diffuser air vent cover installed on bedroom wall, single-slot high-airflow HVAC diffuser with modern minimalist design for residential and commercial ventilation systems.\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003ePerformance\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ctable style=\"width: 500px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003ctd style=\"width: 204.035px; height: 19px;\"\u003e\u003cb\u003e\u003cspan\u003ePerformance Data\u003c\/span\u003e\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; height: 19px;\"\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 157px; height: 19px;\"\u003e\u003cb\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/b\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 40px;\"\u003e\n\u003ctd style=\"width: 204.035px; text-align: center; height: 40px;\"\u003e\n\u003cp\u003e\u003cem\u003eFlow Rate\u003c\/em\u003e\u003cem\u003e\u003cspan\u003e \u003c\/span\u003e(CFM)\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; text-align: center; height: 40px;\"\u003e\u003cem\u003e Static Pressure (in.wg)\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 157px; text-align: center; height: 40px;\"\u003e\u003cem\u003eNoise Level (NC)\u003c\/em\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 59.3578px;\"\u003e\n\u003ctd style=\"width: 204.035px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e72\u003cbr\u003e114\u003cbr\u003e152\u003cbr\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e0.09\u003cbr\u003e0.21\u003cbr\u003e0.37\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 157px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e20\u003cbr\u003e30\u003cbr\u003e40\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e  * Flow rate (CFM) and static pressure (in.wg) are interrelated. It is crucial to know your HVAC system total or static pressure when choosing the proper GRD for optimal performance.\u003c\/p\u003e\n\u003cp\u003e* Performance data independently verified by a globally recognized third-party testing facility. Tested to ADC1062:GRD-84 and ASHRAE 70-2006 standards. CFD and modern testing ensure optimal performance and energy efficiency. For complete performance data, please \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Contact Flo-Matrix HVAC\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" target=\"_blank\"\u003econtact us\u003c\/a\u003e\u003c\/span\u003e.\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003ca rel=\"noopener\" title=\"High Resolution of Comparison Table (FWASD19-1 VS. FWASD25-1)\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/fwasd19-1-vs-fwasd25-1-linear-slot-diffuser-comparison-commercial-hvac.jpg?v=1780706496\" target=\"_blank\"\u003e\u003cimg style=\"margin-bottom: 16px; float: none;\" alt=\"Commercial HVAC linear slot diffuser comparison between FWASD19-1 and FWASD25-1 featuring 3\/4 inch and 1 inch slot widths, airflow efficiency improvements, reduced pressure loss, quieter operation, showroom demonstration availability, and applications for commercial buildings and custom residential homes.\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/fwasd19-1-vs-fwasd25-1-linear-slot-diffuser-comparison-commercial-hvac.jpg?v=1780706496\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" alt=\"Flo-Matrix HVAC vent cover with built-in weather foam strip compared to standard vent covers without foam gasket, showing improved air seal, reduced dust streaks, cleaner ceilings, better airflow efficiency, and lower maintenance requirements for residential and commercial HVAC applications.\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781729213\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\" title=\"High Resolution of Professional HVAC Diffusers vs Mass Produced Diffusers | Quality Comparison Guide\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg style=\"margin-bottom: 16px; float: none;\" alt=\"Flo-Matrix HVAC professional-grade linear slot diffusers and air grilles compared to mass-produced generic store diffusers, highlighting T5 aluminum construction, superior airflow performance, expert technical support, custom manufacturing options, commercial project experience, showroom availability, and long-term HVAC performance benefits.\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eSubmittal\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser_high_flow_-1-slot-installation-submittal-flomatrix-hvac.pdf?v=1750360336\" title=\"Linear Slot Diffuser (high flow, one slot) Submittal Sheet High Resolution PDF Download\" rel=\"noopener\" target=\"_blank\"\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003eClick here to download a high resolution of this submittal sheet\u003c\/span\u003e\u003c\/strong\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-high-flow-1-slot-submittal-flomatrix-hvac.jpg?v=1744921937\" alt=\"Linear Slot Diffuser high flow 1-slot submittal\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-1-slot-installation-submittal-flomatrix-hvac.jpg?v=1744915503\" alt=\"Linear Slot Diffuser high flow 1-slot installation submittal\"\u003e\u003c\/p\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003ch5\u003eResources\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Linear_Slot_Diffuser_Installation_Instructions_High_Resolution.pdf?v=1759781403\" title=\"Linear Slot Diffuser Installation Guide High Resolution Download\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eLinear Slot Diffuser Installation Guide Download\u003c\/a\u003e\u003ca rel=\"noopener noreferrer\" title=\"19mm vs. 25mm Linear Slot Diffusers: A Quick Guide for HVAC Pros \u0026amp; Homeowners\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/19mm-vs-25mm-linear-slot-diffusers-a-quick-guide-for-hvac-pros-homeowners\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca rel=\"noopener noreferrer\" title=\"19mm vs. 25mm Linear Slot Diffusers: A Quick Guide for HVAC Pros \u0026amp; Homeowners\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/19mm-vs-25mm-linear-slot-diffusers-a-quick-guide-for-hvac-pros-homeowners\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eOur Guide to 19mm VS. 25mm Slot Width Differences\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" title=\"Linear Slot Diffusers: The Smart Choice for Modern HVAC Systems\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/linear-slot-diffusers-smart-choice-for-modern-hvac-systems\" target=\"_blank\"\u003eLinear Slot Diffusers: The Smart Choice for Modern HVAC Systems\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" title=\"Why 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/why-6063-t5-aluminum-is-great-for-linear-slot-diffuser-vent-covers\" target=\"_blank\"\u003eWhy 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/linear-slot-diffuser-upgrade-retrofit-vs-new-construction\" title=\"Linear Slot Diffuser Upgrade: A Guide for Retrofit vs. New Construction\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eLinear Slot Diffuser: A Guide for Retrofit vs. New Construction\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca rel=\"noopener noreferrer\" title=\"CFD Airflow Analysis Services for Smarter HVAC Design\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/cfd-airflow-analysis-hvac-design\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eCFD Airflow Analysis Services for Smarter HVAC Design\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eThe Hallmarks of a True Commercial-Grade Grille, Register, or Diffuser\u003c\/h4\u003e\n\u003cp\u003eFor architects and engineers, \"commercial grade\" signifies a product backed by robust technical documentation that enables accurate system design. This essential data encompasses the full material specification and verified performance metrics, including detailed acoustical data (NC levels), pressure drop, and airflow rates.\u003c\/p\u003e\n\u003cp\u003eOur commitment to this standard is verified through rigorous independent testing per ADC1062:GRD-84 and ASHRAE 70-2006. Furthermore, we employ advanced computational fluid dynamics (CFD) in our design process to enhance energy efficiency and optimize air dispersion performance.\u003c\/p\u003e\n\u003cp\u003eWith a legacy dating back to 1997, we have built our reputation on manufacturing premium linear slot diffusers (1-12 slot configurations) for demanding commercial environments. For assistance with your specific project requirements, \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" title=\"Contact US Form\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003ereach out to our product experts\u003c\/a\u003e\u003c\/span\u003e at +1-604-437-1527.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eVideos\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eShowcase Video of Product - 1 Slot Linear Diffuser\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/7_HLSGJ1dE4?si=EY4zvH8u9dC4YY6Y\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eDemonstration of airflow direction adjustment - 1 Slot Linear Diffuser\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/1Ugg_bT9wDY?si=EHqofWnvuq2Knfv8\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eHow to insert a linear slot diffuser into a plenum\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/HFvCaQcs1rE?si=nYvC4-UoWcE1fsiu\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eLinear Slot Diffuser Smoke Test (Vertical Throw) Video - 1 Slot\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/wzy7QBMM3n0\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eLinear Slot Diffuser Smoke Test (Horizontal Throw) Video - 1 Slot\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/nMeJOL_9g-M\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eVideos of previous custom plenums\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/5kEmsTcA2uE?si=SBMMXiQkfyDlC7Ob\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/gqC7IVD_kbY?si=araziY9knWlseHoy\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eOur retail store showroom - Greater Vancouver, Canada\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/YeWxWnvc0pw?si=qV2UAJzkCEX6TARr\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"Linear Air Diffusers","offers":[{"title":"Default Title","offer_id":42518609330339,"sku":"FWASD25-1\/81W\/536L\/005","price":38.27,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-high-flow-20-inch-1-slot-black-frontview-flomatrix-hvac.jpg?v=1744922203"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/collections\/linear-slot-diffuser-high-flow-60-inch-1-slot-black-sideview-flomatrix-hvac.png?v=1785976722","url":"https:\/\/www.linearairdiffusers.com\/collections\/single-slot-linear-diffusers.oembed?page=2","provider":"Linear Air Diffusers by Flo-Matrix HVAC","version":"1.0","type":"link"}