{"title":"Linear Slot Diffuser - 25mm wide openings - 3 Slots Vent Covers","description":"\u003cp\u003eThese three slots linear diffusers offer a 25mm slot width and are ready to ship globally in Black, White, or Anodized Silver. See the corresponding size chart for detailed dimensions. Current inventory supports rapid fulfillment for international projects.\u003c\/p\u003e\n\u003cp\u003e· \u003cstrong\u003eStronger airflow performance\u003c\/strong\u003e: Supports elevated cooling and heating loads thanks to a wider 25mm opening that boosts air delivery.\u003c\/p\u003e\n\u003cp\u003e· \u003cstrong\u003eReduces overall part count\u003c\/strong\u003e: Each diffuser moves more air, so fewer units are required—saving on product costs and installation time.\u003c\/p\u003e\n\u003cp\u003e· \u003cstrong\u003eCleaner sightlines\u003c\/strong\u003e: Extended continuous runs are possible without disrupting airflow, giving architects greater design freedom.\u003c\/p\u003e\n\u003cp\u003e· \u003cstrong\u003eOne solution, two uses\u003c\/strong\u003e: Suitable for supply and return setups alike, all while preserving a low-profile aesthetic.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003e\u003cstrong\u003eResistant to cracking during installation\u003c\/strong\u003e - \u003cstrong\u003eRich powder coated finish\u003c\/strong\u003e - \u003cstrong\u003eWeather stripping prevents ceiling smudging\u003c\/strong\u003e - \u003cstrong\u003eTwo way flow options\u003c\/strong\u003e - \u003cstrong\u003eEasy conversion from standard vents\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eAdditional linear slot diffuser collections:\u003c\/h4\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca title=\"Single Slot Linear Slot Diffuser (19mm slot width)\" href=\"https:\/\/www.linearairdiffusers.com\/collections\/linear-slot-diffuser-1-slot-with-19mm-opening\" style=\"color: rgb(37, 150, 190);\"\u003e1 Slot (19mm opening)\u003c\/a\u003e    \u003ca title=\"Single Slot Linear Slot Diffuser (25mm slot width)\" href=\"https:\/\/www.linearairdiffusers.com\/collections\/linear-slot-diffuser-1-slot-with-25mm-slot-opening\" style=\"color: rgb(37, 150, 190);\"\u003e1 Slot (25mm opening)\u003c\/a\u003e    \u003ca title=\"Double Slots Linear Slot Diffuser (19mm slot width)\" href=\"https:\/\/www.linearairdiffusers.com\/collections\/linear-slot-diffuser-2-slots-with-19mm-openings\" style=\"color: rgb(37, 150, 190);\"\u003e2 Slots (19mm openings)\u003c\/a\u003e    \u003ca title=\"Double Slots Linear Slot Diffuser (25mm slot width)\" href=\"https:\/\/www.linearairdiffusers.com\/collections\/linear-slot-diffuser-double-slots-with-25mm-wide-slot-opening\" style=\"color: rgb(37, 150, 190);\"\u003e2 Slots (25mm openings)\u003c\/a\u003e    \u003ca title=\"Triple Slots Linear Slot Diffuser (19mm slot width)\" href=\"https:\/\/www.linearairdiffusers.com\/collections\/linear-slot-diffuser-triple-slots-with-19mm-wide-slot-openings\" style=\"color: rgb(37, 150, 190);\"\u003e3 Slots (19mm openings)\u003c\/a\u003e\u003c\/span\u003e\u003c\/p\u003e","products":[{"product_id":"48-linear-slot-diffuser-3-slots-with-25mm-slot-openings-hvac-vent-cover-matte-white-finish-wasd25-3","title":"48\" Linear Slot Diffuser Vent Cover (3 Slots with 25mm Openings) - 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\u003eThis 48-inch linear slot diffuser delivers superior performance with three 25mm slots that boost airflow by up to 14% over our standard 19mm models while cutting static pressure by a maximum of 44%. The matte white architectural-grade unit features durable extruded aluminum construction and 180° adjustable blades for precise air direction—ideal for VAV systems and efficient HVAC operation. View our smoke test video and performance data (airflow, pressure, noise) for system-specific details. \u003cstrong\u003eProfessional installation recommended.\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e \u003cbr\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eClean, Modern Design:\u003c\/strong\u003e With a 48\" x 5¼\" size, this linear slot diffuser features three precise 1-inch openings for a minimalist aesthetic that blends seamlessly into both residential and commercial spaces. (\u003cem\u003ePlease see the diagram for exact measurements\u003c\/em\u003e).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnhanced Airflow Performance:\u003c\/strong\u003e The engineered 1-inch slot design moves air more effectively than standard 19mm vent covers, allowing your HVAC system to operate with greater efficiency and noticeably less noise.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrevents Ceiling Stains:\u003c\/strong\u003e An integrated sealing gasket stops air leakage around the edges, protecting your ceiling from dust accumulation and those dark smudges that form around inferior registers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProfessional-Grade Construction:\u003c\/strong\u003e Crafted from commercial-quality \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 aluminum\u003c\/a\u003e\u003c\/span\u003e with reinforced welds, this linear slot diffuser maintains its integrity under constant use, resisting dents and damage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCrisp, Durable Finish:\u003c\/strong\u003e Finished in a premium matte white, this strong powder coat is specifically chosen for its superior defense against scratches, corrosion, and fading, ensuring long-lasting beauty.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHidden Fastener Design:\u003c\/strong\u003e Create a clean, streamlined look with installation hardware that's completely concealed along the inner edges—leaving no visible screws on the finished surface. (Mounting hardware not included).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTailored HVAC Performance:\u003c\/strong\u003e For optimized comfort, this linear slot diffuser can be paired with a \u003ca href=\"https:\/\/www.linearairdiffusers.com\/pages\/custom-hvac-plenums\" title=\"Custom Plenum Box - Built to your specifications by Flo-Matrix HVAC\" rel=\"noopener\" target=\"_blank\"\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003ecustom plenum box\u003c\/span\u003e\u003c\/a\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\" target=\"_blank\"\u003e\u003c\/a\u003e (sold separately) to perfectly balance airflow for your specific system requirements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShipping across Canada from Vancouver, BC.\u003c\/strong\u003e \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/pages\/international-sales\" title=\"International Sales | Flo-Matrix HVAC - Canada\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eInternational sales\u003c\/a\u003e\u003c\/span\u003e for businesses and industry professionals. Local pickup available at our Burnaby showroom.\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\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\/triple-linear-slot-diffuser-white-ceiling-installed-modern-kitchen-flomatrix-hvac.jpg?v=1789683000\" alt=\"White triple linear slot diffuser ceiling installed in a modern kitchen and dining area – Flo-Matrix HVAC\"\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\u003e340\u003cbr\u003e500\u003cbr\u003e650\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e0.04\u003cbr\u003e0.09\u003cbr\u003e0.15\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\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003ca rel=\"noopener\" title=\"Flo-Matrix HVAC FWASD19-3 vs FWASD25-3 Linear Slot Diffuser Comparison – Airflow, Pressure Loss, Noise \u0026amp; Commercial HVAC Applications\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/commercial-3-slot-linear-air-diffuser-performance-comparison.jpg?v=1781126751\" target=\"_blank\"\u003e\u003cimg alt=\"FWASD19-3 vs FWASD25-3 linear slot diffuser comparison chart showing 19mm and 25mm slot openings, higher airflow performance, lower pressure loss, quieter operation, and commercial HVAC applications for offices, hotels, healthcare facilities, retail spaces, and custom homes.\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/commercial-3-slot-linear-air-diffuser-performance-comparison.jpg?v=1781126751\"\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/commercial-3-slot-linear-air-diffuser-performance-comparison.jpg?v=1781126751\" title=\"High Resolution of Comparison Table for Flo-Matrix HVAC Models FWASD19-3 VS. FWASD25-3\" rel=\"noopener\" target=\"_blank\"\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\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\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003cdiv\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=1781739881\" title=\"High Resolution of Comparison Table for Flo-Matrix HVAC Models FWASD19-3 VS. FWASD25-3\" rel=\"noopener\" target=\"_blank\"\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/commercial-3-slot-linear-air-diffuser-performance-comparison.jpg?v=1781126751\" title=\"High Resolution of Comparison Table for Flo-Matrix HVAC Models FWASD19-3 VS. FWASD25-3\" rel=\"noopener\" target=\"_blank\"\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/a\u003e\n\u003c\/div\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/commercial-3-slot-linear-air-diffuser-performance-comparison.jpg?v=1781126751\" title=\"High Resolution of Comparison Table for Flo-Matrix HVAC Models FWASD19-3 VS. FWASD25-3\" rel=\"noopener\" target=\"_blank\"\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\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\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003ca rel=\"noopener\" title=\"Flo-Matrix HVAC vs Generic Vent Cover Companies: Quality, Performance \u0026amp; Support\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison_2.png?v=1780964847\" 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\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\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: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Linear Slot Diffuser High Flow (three slots) Submittal Sheet High Resolution PDF Download\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser_high_flow_three-slot_submittal_high_resolution_download.pdf?v=1750450268\" target=\"_blank\"\u003eClick here to download a high resolution of this submittal sheet\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\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-3-slot-submittal-flomatrix-hvac.jpg?v=1745964931\" alt=\"Linear Slot Diffuser high flow 3-slot submittal\"\u003e\u003c\/p\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\/linear-slot-diffuser-48-inch-3-slot-25mm-white-overall-dimensions-flomatrix-hvac.png?v=1789764141\" title=\"Full size diagram: Overall dimensions of a 48-inch 3-slot linear slot diffuser with 25mm opening in matte white.\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-48-inch-3-slot-25mm-white-overall-dimensions-flomatrix-hvac.png?v=1789764141\" alt=\"Overall dimensions of a 48-inch 3-slot linear slot diffuser with 25mm opening in matte white.\"\u003e\u003c\/a\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\u003eBeyond the Label: What \"Commercial Grade\" Really Means for GRDs\u003c\/h4\u003e\n\u003cp\u003eFor a grille, register, or diffuser to be genuinely \"commercial grade,\" it must provide the technical depth required by building professionals. This includes data on the materials of construction and independently verified performance profiles detailing acoustic performance (Noise Criteria), air delivery, and pressure loss.\u003c\/p\u003e\n\u003cp\u003eOur dedication to quality is demonstrated through compliance with ADC1062:GRD-84 and ASHRAE 70-2006 testing standards. We also utilize \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" title=\"CFD Airflow Analysis Services for Smarter HVAC Design\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/cfd-airflow-analysis-hvac-design\" target=\"_blank\"\u003ecomputational fluid dynamics (CFD)\u003c\/a\u003e\u003c\/span\u003e modeling to refine our products, ensuring they achieve optimal energy efficiency and operational performance.\u003c\/p\u003e\n\u003cp\u003eA trusted manufacturer since 1997, we produce a full range of high-quality linear slot diffusers (from 1 to 12 slots) for the commercial sector. Get project-specific answers by \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\"\u003econtacting our product specialist team\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 - 3 Slots Linear Diffuser\u003c\/strong\u003e\u003c\/span\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/gAmq_2uO0TA?si=gaZUg0E1HLUsXpKv\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/strong\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 - 3 Slots\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/OuW528iwVm4\" 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 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":41745051222179,"sku":"FWASD25-3\/169W\/1247L\/PCWS02","price":163.36,"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-3-slot-white-frontview-flomatrix-hvac.png?v=1789000966"},{"product_id":"20-linear-slot-diffuser-3-slots-with-25mm-slot-openings-hvac-vent-cover-matte-white-finish-wasd25-3","title":"20\" Linear Slot Diffuser Vent Cover (3 Slots with 25mm Openings) - 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 20-inch linear slot diffuser delivers superior performance with three 25mm slots that boost airflow by up to 14% over our standard 19mm models while cutting static pressure by a maximum of 44%. The matte white architectural-grade unit features durable extruded aluminum construction and 180° adjustable blades for precise air direction—ideal for VAV systems and efficient HVAC operation. View our smoke test video and performance data (airflow, pressure, noise) for system-specific details. \u003cstrong\u003eProfessional installation recommended. \u003cbr\u003e\u003cbr\u003e\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\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eClean, Modern Design:\u003c\/strong\u003e With a 20\" x 5¼\" size, this linear slot diffuser features three precise 1-inch openings for a minimalist aesthetic that blends seamlessly into both residential and commercial spaces. (\u003cem\u003ePlease see the diagram for exact measurements\u003c\/em\u003e).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnhanced Airflow Performance:\u003c\/strong\u003e The engineered 1-inch slot design moves air more effectively than standard 19mm vent covers, allowing your HVAC system to operate with greater efficiency and noticeably less noise.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrevents Ceiling Stains:\u003c\/strong\u003e An integrated sealing gasket stops air leakage around the edges, protecting your ceiling from dust accumulation and those dark smudges that form around inferior registers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProfessional-Grade Construction:\u003c\/strong\u003e Crafted from commercial-quality \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 aluminum\u003c\/a\u003e\u003c\/span\u003e with reinforced welds, this linear slot diffuser maintains its integrity under constant use, resisting dents and damage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCrisp, Durable Finish:\u003c\/strong\u003e Finished in a premium matte white, this strong powder coat is specifically chosen for its superior defense against scratches, corrosion, and fading, ensuring long-lasting beauty.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHidden Fastener Design:\u003c\/strong\u003e Create a clean, streamlined look with installation hardware that's completely concealed along the inner edges—leaving no visible screws on the finished surface. (Mounting hardware not included).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTailored HVAC Performance:\u003c\/strong\u003e For optimized comfort, this linear slot diffuser can be paired with a \u003ca 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\"\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003ecustom plenum box\u003c\/span\u003e\u003c\/a\u003e (sold separately) to perfectly balance airflow for your specific system requirements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShipping across Canada from Vancouver, BC.\u003c\/strong\u003e \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/pages\/international-sales\" title=\"International Sales | Flo-Matrix HVAC - Canada\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eInternational sales\u003c\/a\u003e\u003c\/span\u003e for businesses and industry professionals. Local pickup available at our Burnaby showroom.\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\/triple-linear-slot-diffuser-white-ceiling-installed-modern-kitchen-flomatrix-hvac.jpg?v=1789683000\" alt=\"White triple linear slot diffuser ceiling installed in a modern kitchen and dining area – Flo-Matrix HVAC\"\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\u003e141\u003cbr\u003e208\u003cbr\u003e270\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e0.04\u003cbr\u003e0.09\u003cbr\u003e0.11\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\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 rel=\"noopener\" title=\"Flo-Matrix HVAC FWASD19-3 vs FWASD25-3 Linear Slot Diffuser Comparison – Airflow, Pressure Loss, Noise \u0026amp; Commercial HVAC Applications\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/commercial-3-slot-linear-air-diffuser-performance-comparison.jpg?v=1781126751\" target=\"_blank\"\u003e\u003cimg alt=\"FWASD19-3 vs FWASD25-3 linear slot diffuser comparison chart showing 19mm and 25mm slot openings, higher airflow performance, lower pressure loss, quieter operation, and commercial HVAC applications for offices, hotels, healthcare facilities, retail spaces, and custom homes.\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/commercial-3-slot-linear-air-diffuser-performance-comparison.jpg?v=1781126751\"\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/commercial-3-slot-linear-air-diffuser-performance-comparison.jpg?v=1781126751\" title=\"High Resolution of Comparison Table for Flo-Matrix HVAC Models FWASD19-3 VS. FWASD25-3\" rel=\"noopener\" target=\"_blank\"\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\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\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003cdiv\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=1781739881\" title=\"High Resolution of Comparison Table for Flo-Matrix HVAC Models FWASD19-3 VS. FWASD25-3\" rel=\"noopener\" target=\"_blank\"\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/commercial-3-slot-linear-air-diffuser-performance-comparison.jpg?v=1781126751\" title=\"High Resolution of Comparison Table for Flo-Matrix HVAC Models FWASD19-3 VS. FWASD25-3\" rel=\"noopener\" target=\"_blank\"\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/a\u003e\n\u003c\/div\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/commercial-3-slot-linear-air-diffuser-performance-comparison.jpg?v=1781126751\" title=\"High Resolution of Comparison Table for Flo-Matrix HVAC Models FWASD19-3 VS. FWASD25-3\" rel=\"noopener\" target=\"_blank\"\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\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\n\u003c\/div\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/commercial-3-slot-linear-air-diffuser-performance-comparison.jpg?v=1781126751\" title=\"High Resolution of Comparison Table for Flo-Matrix HVAC Models FWASD19-3 VS. FWASD25-3\" rel=\"noopener\" target=\"_blank\"\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003ca rel=\"noopener\" title=\"Flo-Matrix HVAC vs Generic Vent Cover Companies: Quality, Performance \u0026amp; Support\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison_2.png?v=1780964847\" 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: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser_high_flow_three-slot_submittal_high_resolution_download.pdf?v=1750450268\" title=\"Linear Slot Diffuser High Flow (three slots) 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\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"Linear Slot Diffuser high flow 3-slot submittal\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-high-flow-3-slot-submittal-flomatrix-hvac.jpg?v=1745963174\"\u003e\u003c\/p\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\/linear-slot-diffuser-20-inch-3-slot-25mm-white-overall-dimensions-flomatrix-hvac.png?v=1789682624\" title=\"Full size diagram: Overall dimensions of a 20-inch 3-slot linear slot diffuser with 25mm opening in matte white.\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-20-inch-3-slot-25mm-white-overall-dimensions-flomatrix-hvac.png?v=1789682624\" alt=\"Overall dimensions of a 20-inch 3-slot linear slot diffuser with 25mm opening in matte white.\"\u003e\u003c\/a\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\u003eBeyond the Label: What \"Commercial Grade\" Really Means for GRDs\u003c\/h4\u003e\n\u003cp\u003eFor a grille, register, or diffuser to be genuinely \"commercial grade,\" it must provide the technical depth required by building professionals. This includes data on the materials of construction and independently verified performance profiles detailing acoustic performance (Noise Criteria), air delivery, and pressure loss.\u003c\/p\u003e\n\u003cp\u003eOur dedication to quality is demonstrated through compliance with ADC1062:GRD-84 and ASHRAE 70-2006 testing standards. We also utilize \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/pages\/cfd-airflow-analysis-hvac-design\" title=\"CFD Airflow Analysis Services for Smarter HVAC Design\" rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003ecomputational fluid dynamics (CFD)\u003c\/a\u003e\u003c\/span\u003e modeling to refine our products, ensuring they achieve optimal energy efficiency and operational performance.\u003c\/p\u003e\n\u003cp\u003eA trusted manufacturer since 1997, we produce a full range of high-quality linear slot diffusers (from 1 to 12 slots) for the commercial sector. Get project-specific answers by \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\"\u003econtacting our product specialist team\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 - 3 Slots Linear Diffuser\u003c\/strong\u003e\u003c\/span\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/gAmq_2uO0TA?si=gaZUg0E1HLUsXpKv\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/strong\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 - 3 Slots\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/OuW528iwVm4\" 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\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":41745072455843,"sku":"FWASD25-3\/169W\/536L\/PCWS02","price":72.84,"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-3-slot-white-frontview-flomatrix-hvac.png?v=1788998816"},{"product_id":"24-linear-slot-diffuser-3-slots-with-25mm-slot-openings-hvac-vent-cover-matte-white-finish-wasd25-3","title":"24\" Linear Slot Diffuser Vent Cover (3 Slots with 25mm Openings) - 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 24-inch linear slot diffuser delivers superior performance with three 25mm slots that boost airflow by up to 14% over our standard 19mm models while cutting static pressure by a maximum of 44%. The matte white architectural-grade unit features durable extruded aluminum construction and 180° adjustable blades for precise air direction—ideal for VAV systems and efficient HVAC operation. View our smoke test video and performance data (airflow, pressure, noise) for system-specific details.\u003cstrong\u003e Professional installation recommended. \u003cbr\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eClean, Modern Design:\u003c\/strong\u003e With a 24\" x 5¼\" size, this linear slot diffuser features three precise 1-inch openings for a minimalist aesthetic that blends seamlessly into both residential and commercial spaces. (\u003cem\u003ePlease see the diagram for exact measurements\u003c\/em\u003e).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnhanced Airflow Performance:\u003c\/strong\u003e The engineered 1-inch slot design moves air more effectively than standard 19mm vent covers, allowing your HVAC system to operate with greater efficiency and noticeably less noise.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrevents Ceiling Stains:\u003c\/strong\u003e An integrated sealing gasket stops air leakage around the edges, protecting your ceiling from dust accumulation and those dark smudges that form around inferior registers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProfessional-Grade Construction:\u003c\/strong\u003e Crafted from commercial-quality \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 aluminum\u003c\/a\u003e\u003c\/span\u003e with reinforced welds, this linear slot diffuser maintains its integrity under constant use, resisting dents and damage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCrisp, Durable Finish:\u003c\/strong\u003e Finished in a premium matte white, this strong powder coat is specifically chosen for its superior defense against scratches, corrosion, and fading, ensuring long-lasting beauty.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHidden Fastener Design:\u003c\/strong\u003e Create a clean, streamlined look with installation hardware that's completely concealed along the inner edges—leaving no visible screws on the finished surface. (Mounting hardware not included).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTailored HVAC Performance:\u003c\/strong\u003e For optimized comfort, this linear slot diffuser can be paired with a \u003ca href=\"https:\/\/www.linearairdiffusers.com\/pages\/custom-hvac-plenums\" title=\"Custom Plenum Box - Built to your specifications by Flo-Matrix HVAC\" rel=\"noopener\" target=\"_blank\"\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003ecustom plenum box\u003c\/span\u003e\u003c\/a\u003e (sold separately) to perfectly balance airflow for your specific system requirements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShipping across Canada from Vancouver, BC.\u003c\/strong\u003e \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/pages\/international-sales\" title=\"International Sales | Flo-Matrix HVAC - Canada\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eInternational sales\u003c\/a\u003e\u003c\/span\u003e for businesses and industry professionals. Local pickup available at our Burnaby showroom.\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\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\/triple-linear-slot-diffuser-white-ceiling-installed-modern-kitchen-flomatrix-hvac.jpg?v=1789683000\" alt=\"White triple linear slot diffuser ceiling installed in a modern kitchen and dining area – Flo-Matrix HVAC\"\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\u003e170\u003cbr\u003e250\u003cbr\u003e325\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e0.04\u003cbr\u003e0.09\u003cbr\u003e0.15\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\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 rel=\"noopener\" title=\"Flo-Matrix HVAC FWASD19-3 vs FWASD25-3 Linear Slot Diffuser Comparison – Airflow, Pressure Loss, Noise \u0026amp; Commercial HVAC Applications\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/commercial-3-slot-linear-air-diffuser-performance-comparison.jpg?v=1781126751\" target=\"_blank\"\u003e\u003cimg alt=\"FWASD19-3 vs FWASD25-3 linear slot diffuser comparison chart showing 19mm and 25mm slot openings, higher airflow performance, lower pressure loss, quieter operation, and commercial HVAC applications for offices, hotels, healthcare facilities, retail spaces, and custom homes.\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/commercial-3-slot-linear-air-diffuser-performance-comparison.jpg?v=1781126751\"\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/commercial-3-slot-linear-air-diffuser-performance-comparison.jpg?v=1781126751\" title=\"High Resolution of Comparison Table for Flo-Matrix HVAC Models FWASD19-3 VS. FWASD25-3\" rel=\"noopener\" target=\"_blank\"\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\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\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003cdiv\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=1781739881\" title=\"High Resolution of Comparison Table for Flo-Matrix HVAC Models FWASD19-3 VS. FWASD25-3\" rel=\"noopener\" target=\"_blank\"\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/commercial-3-slot-linear-air-diffuser-performance-comparison.jpg?v=1781126751\" title=\"High Resolution of Comparison Table for Flo-Matrix HVAC Models FWASD19-3 VS. FWASD25-3\" rel=\"noopener\" target=\"_blank\"\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/a\u003e\n\u003c\/div\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/commercial-3-slot-linear-air-diffuser-performance-comparison.jpg?v=1781126751\" title=\"High Resolution of Comparison Table for Flo-Matrix HVAC Models FWASD19-3 VS. FWASD25-3\" rel=\"noopener\" target=\"_blank\"\u003e\n\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\n\u003c\/div\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/commercial-3-slot-linear-air-diffuser-performance-comparison.jpg?v=1781126751\" title=\"High Resolution of Comparison Table for Flo-Matrix HVAC Models FWASD19-3 VS. FWASD25-3\" rel=\"noopener\" target=\"_blank\"\u003e\n\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\n\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=\"Flo-Matrix HVAC vs Generic Vent Cover Companies: Quality, Performance \u0026amp; Support\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison_2.png?v=1780964847\" 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: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Linear Slot Diffuser High Flow (three slots) Submittal Sheet High Resolution PDF Download\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser_high_flow_three-slot_submittal_high_resolution_download.pdf?v=1750450268\" target=\"_blank\"\u003eClick here to download a high resolution of this submittal sheet\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\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-3-slot-submittal-flomatrix-hvac.jpg?v=1745963566\" alt=\"Linear Slot Diffuser high flow 3-slot submittal\"\u003e\u003c\/p\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\/linear-slot-diffuser-24-inch-3-slot-25mm-white-overall-dimensions-flomatrix-hvac.png?v=1789755588\" title=\"Full size diagram: Overall dimensions of a 24-inch 3-slot linear slot diffuser with 25mm opening in matte white.\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-24-inch-3-slot-25mm-white-overall-dimensions-flomatrix-hvac.png?v=1789755588\" alt=\"Overall dimensions of a 24-inch 3-slot linear slot diffuser with 25mm opening in matte white.\"\u003e\u003c\/a\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\u003eBeyond the Label: What \"Commercial Grade\" Really Means for GRDs\u003c\/h4\u003e\n\u003cp\u003eFor a grille, register, or diffuser to be genuinely \"commercial grade,\" it must provide the technical depth required by building professionals. This includes data on the materials of construction and independently verified performance profiles detailing acoustic performance (Noise Criteria), air delivery, and pressure loss.\u003c\/p\u003e\n\u003cp\u003eOur dedication to quality is demonstrated through compliance with ADC1062:GRD-84 and ASHRAE 70-2006 testing standards. We also utilize \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" title=\"CFD Airflow Analysis Services for Smarter HVAC Design\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/cfd-airflow-analysis-hvac-design\" target=\"_blank\"\u003ecomputational fluid dynamics (CFD)\u003c\/a\u003e\u003c\/span\u003e modeling to refine our products, ensuring they achieve optimal energy efficiency and operational performance.\u003c\/p\u003e\n\u003cp\u003eA trusted manufacturer since 1997, we produce a full range of high-quality linear slot diffusers (from 1 to 12 slots) for the commercial sector. Get project-specific answers by \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\"\u003econtacting our product specialist team\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 - 3 Slots Linear Diffuser\u003c\/strong\u003e\u003c\/span\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/gAmq_2uO0TA?si=gaZUg0E1HLUsXpKv\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/strong\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 - 3 Slots\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/OuW528iwVm4\" 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 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":41745074290851,"sku":"FWASD25-3\/169W\/638L\/PCWS02","price":86.51,"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-3-slot-white-frontview-flomatrix-hvac.png?v=1788999254"},{"product_id":"32-linear-slot-diffuser-3-slots-with-25mm-slot-openings-hvac-vent-cover-matte-white-finish-wasd25-3","title":"32\" Linear Slot Diffuser Vent Cover (3 Slots with 25mm Openings) - 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 32-inch linear slot diffuser delivers superior performance with three 25mm slots that boost airflow by up to 14% over our standard 19mm models while cutting static pressure by a maximum of 44%. The matte white architectural-grade unit features durable extruded aluminum construction and 180° adjustable blades for precise air direction—ideal for VAV systems and efficient HVAC operation. View our smoke test video and performance data (airflow, pressure, noise) for system-specific details.\u003cstrong\u003e Professional installation recommended. \u003cbr\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eClean, Modern Design:\u003c\/strong\u003e With a 32\" x 5¼\" size, this linear slot diffuser features three precise 1-inch openings for a minimalist aesthetic that blends seamlessly into both residential and commercial spaces. (\u003cem\u003ePlease see the diagram for exact measurements\u003c\/em\u003e).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnhanced Airflow Performance:\u003c\/strong\u003e The engineered 1-inch slot design moves air more effectively than standard 19mm vent covers, allowing your HVAC system to operate with greater efficiency and noticeably less noise.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrevents Ceiling Stains:\u003c\/strong\u003e An integrated sealing gasket stops air leakage around the edges, protecting your ceiling from dust accumulation and those dark smudges that form around inferior registers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProfessional-Grade Construction:\u003c\/strong\u003e Crafted from commercial-quality \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 aluminum\u003c\/a\u003e\u003c\/span\u003e with reinforced welds, this linear slot diffuser maintains its integrity under constant use, resisting dents and damage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCrisp, Durable Finish:\u003c\/strong\u003e Finished in a premium matte white, this strong powder coat is specifically chosen for its superior defense against scratches, corrosion, and fading, ensuring long-lasting beauty.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHidden Fastener Design:\u003c\/strong\u003e Create a clean, streamlined look with installation hardware that's completely concealed along the inner edges—leaving no visible screws on the finished surface. (Mounting hardware not included).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTailored HVAC Performance:\u003c\/strong\u003e For optimized comfort, this linear slot diffuser can be paired with a \u003ca href=\"https:\/\/www.linearairdiffusers.com\/pages\/custom-hvac-plenums\" title=\"Custom Plenum Box - Built to your specifications by Flo-Matrix HVAC\" rel=\"noopener\" target=\"_blank\"\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003ecustom plenum box\u003c\/span\u003e\u003c\/a\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\" target=\"_blank\"\u003e\u003c\/a\u003e (sold separately) to perfectly balance airflow for your specific system requirements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShipping across Canada from Vancouver, BC.\u003c\/strong\u003e \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/pages\/international-sales\" title=\"International Sales | Flo-Matrix HVAC - Canada\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eInternational sales\u003c\/a\u003e\u003c\/span\u003e for businesses and industry professionals. Local pickup available at our Burnaby showroom.\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\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\/triple-linear-slot-diffuser-white-ceiling-installed-modern-kitchen-flomatrix-hvac.jpg?v=1789683000\" alt=\"White triple linear slot diffuser ceiling installed in a modern kitchen and dining area – Flo-Matrix HVAC\"\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\u003e226\u003cbr\u003e333\u003cbr\u003e433\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e0.04\u003cbr\u003e0.09\u003cbr\u003e0.15\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\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 rel=\"noopener\" title=\"Flo-Matrix HVAC FWASD19-3 vs FWASD25-3 Linear Slot Diffuser Comparison – Airflow, Pressure Loss, Noise \u0026amp; Commercial HVAC Applications\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/commercial-3-slot-linear-air-diffuser-performance-comparison.jpg?v=1781126751\" target=\"_blank\"\u003e\u003cimg alt=\"FWASD19-3 vs FWASD25-3 linear slot diffuser comparison chart showing 19mm and 25mm slot openings, higher airflow performance, lower pressure loss, quieter operation, and commercial HVAC applications for offices, hotels, healthcare facilities, retail spaces, and custom homes.\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/commercial-3-slot-linear-air-diffuser-performance-comparison.jpg?v=1781126751\"\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/commercial-3-slot-linear-air-diffuser-performance-comparison.jpg?v=1781126751\" title=\"High Resolution of Comparison Table for Flo-Matrix HVAC Models FWASD19-3 VS. FWASD25-3\" rel=\"noopener\" target=\"_blank\"\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\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\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003cdiv\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=1781739881\" title=\"High Resolution of Comparison Table for Flo-Matrix HVAC Models FWASD19-3 VS. FWASD25-3\" rel=\"noopener\" target=\"_blank\"\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/commercial-3-slot-linear-air-diffuser-performance-comparison.jpg?v=1781126751\" title=\"High Resolution of Comparison Table for Flo-Matrix HVAC Models FWASD19-3 VS. FWASD25-3\" rel=\"noopener\" target=\"_blank\"\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/a\u003e\n\u003c\/div\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/commercial-3-slot-linear-air-diffuser-performance-comparison.jpg?v=1781126751\" title=\"High Resolution of Comparison Table for Flo-Matrix HVAC Models FWASD19-3 VS. FWASD25-3\" rel=\"noopener\" target=\"_blank\"\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\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\n\u003c\/div\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/commercial-3-slot-linear-air-diffuser-performance-comparison.jpg?v=1781126751\" title=\"High Resolution of Comparison Table for Flo-Matrix HVAC Models FWASD19-3 VS. FWASD25-3\" rel=\"noopener\" target=\"_blank\"\u003e\n\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\n\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=\"Flo-Matrix HVAC vs Generic Vent Cover Companies: Quality, Performance \u0026amp; Support\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison_2.png?v=1780964847\" 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: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Linear Slot Diffuser High Flow (three slots) Submittal Sheet High Resolution PDF Download\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser_high_flow_three-slot_submittal_high_resolution_download.pdf?v=1750450268\" target=\"_blank\"\u003eClick here to download a high resolution of this submittal sheet\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\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-3-slot-submittal-flomatrix-hvac.jpg?v=1745964009\" alt=\"Linear Slot Diffuser high flow 3-slot submittal\"\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\/linear-slot-diffuser-32-inch-3-slot-25mm-white-overall-dimensions-flomatrix-hvac.png?v=1789757059\" title=\"Full size diagram: Overall dimensions of a 32-inch 3-slot linear slot diffuser with 25mm opening in matte white.\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-32-inch-3-slot-25mm-white-overall-dimensions-flomatrix-hvac.png?v=1789757059\" alt=\"Overall dimensions of a 32-inch 3-slot linear slot diffuser with 25mm opening in matte white.\"\u003e\u003c\/a\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\u003eBeyond the Label: What \"Commercial Grade\" Really Means for GRDs\u003c\/h4\u003e\n\u003cp\u003eFor a grille, register, or diffuser to be genuinely \"commercial grade,\" it must provide the technical depth required by building professionals. This includes data on the materials of construction and independently verified performance profiles detailing acoustic performance (Noise Criteria), air delivery, and pressure loss.\u003c\/p\u003e\n\u003cp\u003eOur dedication to quality is demonstrated through compliance with ADC1062:GRD-84 and ASHRAE 70-2006 testing standards. We also utilize \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" title=\"CFD Airflow Analysis Services for Smarter HVAC Design\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/cfd-airflow-analysis-hvac-design\" target=\"_blank\"\u003ecomputational fluid dynamics (CFD)\u003c\/a\u003e\u003c\/span\u003e modeling to refine our products, ensuring they achieve optimal energy efficiency and operational performance.\u003c\/p\u003e\n\u003cp\u003eA trusted manufacturer since 1997, we produce a full range of high-quality linear slot diffusers (from 1 to 12 slots) for the commercial sector. Get project-specific answers by \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\"\u003econtacting our product specialist team\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 - 3 Slots Linear Diffuser\u003c\/strong\u003e\u003c\/span\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/gAmq_2uO0TA?si=gaZUg0E1HLUsXpKv\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/strong\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 - 3 Slots\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/OuW528iwVm4\" 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 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":41745077895331,"sku":"FWASD25-3\/169W\/841L\/PCWS02","price":123.06,"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-3-slot-white-frontview-flomatrix-hvac.png?v=1788999686"},{"product_id":"36-linear-slot-diffuser-3-slots-with-25mm-slot-openings-hvac-vent-cover-matte-white-finish-wasd25-3","title":"36\" Linear Slot Diffuser Vent Cover (3 Slots with 25mm Openings) - 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\" linear slot diffuser has a beautiful finish in matte white. Our linear slot diffusers are architectural grade made with solid extruded aluminum where durability is a major concern. They are ideal for general air distribution and VAV applications. The 25mm slot width is equipped with adjustable blades for up to a 180° air pattern. \u003c\/span\u003e\u003cstrong style=\"font-size: 0.875rem;\"\u003ePlease watch our smoke test video below for air distribution performance. \u003c\/strong\u003e\u003cstrong style=\"font-size: 0.875rem;\"\u003eWe recommend installation by professionals for this product.\u003c\/strong\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cbr\u003e \u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eClean, Modern Design:\u003c\/strong\u003e With a 36\" x 5¼\" size, this linear slot diffuser features three precise 1-inch openings for a minimalist aesthetic that blends seamlessly into both residential and commercial spaces. (\u003cem\u003ePlease see the diagram for exact measurements\u003c\/em\u003e).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnhanced Airflow Performance:\u003c\/strong\u003e The engineered 1-inch slot design moves air more effectively than standard 19mm vent covers, allowing your HVAC system to operate with greater efficiency and noticeably less noise.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrevents Ceiling Stains:\u003c\/strong\u003e An integrated sealing gasket stops air leakage around the edges, protecting your ceiling from dust accumulation and those dark smudges that form around inferior registers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProfessional-Grade Construction:\u003c\/strong\u003e Crafted from commercial-quality \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 aluminum\u003c\/a\u003e\u003c\/span\u003e with reinforced welds, this linear slot diffuser maintains its integrity under constant use, resisting dents and damage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCrisp, Durable Finish:\u003c\/strong\u003e Finished in a premium matte white, this strong powder coat is specifically chosen for its superior defense against scratches, corrosion, and fading, ensuring long-lasting beauty.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHidden Fastener Design:\u003c\/strong\u003e Create a clean, streamlined look with installation hardware that's completely concealed along the inner edges—leaving no visible screws on the finished surface. (Mounting hardware not included).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTailored HVAC Performance:\u003c\/strong\u003e For optimized comfort, this linear slot diffuser can be paired with a \u003ca href=\"https:\/\/www.linearairdiffusers.com\/pages\/custom-hvac-plenums\" title=\"Custom Plenum Box - Built to your specifications by Flo-Matrix HVAC\" rel=\"noopener\" target=\"_blank\"\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003ecustom plenum box\u003c\/span\u003e\u003c\/a\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\" target=\"_blank\"\u003e\u003c\/a\u003e (sold separately) to perfectly balance airflow for your specific system requirements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShipping across Canada from Vancouver, BC.\u003c\/strong\u003e \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/pages\/international-sales\" title=\"International Sales | Flo-Matrix HVAC - Canada\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eInternational sales\u003c\/a\u003e\u003c\/span\u003e for businesses and industry professionals. Local pickup available at our Burnaby showroom.\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\/triple-linear-slot-diffuser-white-ceiling-installed-modern-kitchen-flomatrix-hvac.jpg?v=1789683000\" alt=\"White triple linear slot diffuser ceiling installed in a modern kitchen and dining area – Flo-Matrix HVAC\"\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\u003e255\u003cbr\u003e375\u003cbr\u003e487\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e0.04\u003cbr\u003e0.09\u003cbr\u003e0.15\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\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 rel=\"noopener\" title=\"Flo-Matrix HVAC FWASD19-3 vs FWASD25-3 Linear Slot Diffuser Comparison – Airflow, Pressure Loss, Noise \u0026amp; Commercial HVAC Applications\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/commercial-3-slot-linear-air-diffuser-performance-comparison.jpg?v=1781126751\" target=\"_blank\"\u003e\u003cimg alt=\"FWASD19-3 vs FWASD25-3 linear slot diffuser comparison chart showing 19mm and 25mm slot openings, higher airflow performance, lower pressure loss, quieter operation, and commercial HVAC applications for offices, hotels, healthcare facilities, retail spaces, and custom homes.\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/commercial-3-slot-linear-air-diffuser-performance-comparison.jpg?v=1781126751\"\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/commercial-3-slot-linear-air-diffuser-performance-comparison.jpg?v=1781126751\" title=\"High Resolution of Comparison Table for Flo-Matrix HVAC Models FWASD19-3 VS. FWASD25-3\" rel=\"noopener\" target=\"_blank\"\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\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\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003cdiv\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=1781739881\" title=\"High Resolution of Comparison Table for Flo-Matrix HVAC Models FWASD19-3 VS. FWASD25-3\" rel=\"noopener\" target=\"_blank\"\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/commercial-3-slot-linear-air-diffuser-performance-comparison.jpg?v=1781126751\" title=\"High Resolution of Comparison Table for Flo-Matrix HVAC Models FWASD19-3 VS. FWASD25-3\" rel=\"noopener\" target=\"_blank\"\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/a\u003e\n\u003c\/div\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/commercial-3-slot-linear-air-diffuser-performance-comparison.jpg?v=1781126751\" title=\"High Resolution of Comparison Table for Flo-Matrix HVAC Models FWASD19-3 VS. FWASD25-3\" rel=\"noopener\" target=\"_blank\"\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\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\n\u003c\/div\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/commercial-3-slot-linear-air-diffuser-performance-comparison.jpg?v=1781126751\" title=\"High Resolution of Comparison Table for Flo-Matrix HVAC Models FWASD19-3 VS. FWASD25-3\" rel=\"noopener\" target=\"_blank\"\u003e\n\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\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003ca rel=\"noopener\" title=\"Flo-Matrix HVAC vs Generic Vent Cover Companies: Quality, Performance \u0026amp; Support\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison_2.png?v=1780964847\" 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: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Linear Slot Diffuser High Flow (three slots) Submittal Sheet High Resolution PDF Download\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser_high_flow_three-slot_submittal_high_resolution_download.pdf?v=1750450268\" target=\"_blank\"\u003eClick here to download a high resolution of this submittal sheet\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"Linear Slot Diffuser high flow 3-slot submittal\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-high-flow-3-slot-submittal-flomatrix-hvac.jpg?v=1745964441\"\u003e\u003c\/p\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\/linear-slot-diffuser-36-inch-3-slot-25mm-white-overall-dimensions-flomatrix-hvac.png?v=1789759402\" title=\"Full size diagram: Overall dimensions of a 36-inch 3-slot linear slot diffuser with 25mm opening in matte white.\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-36-inch-3-slot-25mm-white-overall-dimensions-flomatrix-hvac.png?v=1789759402\" alt=\"Overall dimensions of a 36-inch 3-slot linear slot diffuser with 25mm opening in matte white.\"\u003e\u003c\/a\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\u003eBeyond the Label: What \"Commercial Grade\" Really Means for GRDs\u003c\/h4\u003e\n\u003cp\u003eFor a grille, register, or diffuser to be genuinely \"commercial grade,\" it must provide the technical depth required by building professionals. This includes data on the materials of construction and independently verified performance profiles detailing acoustic performance (Noise Criteria), air delivery, and pressure loss.\u003c\/p\u003e\n\u003cp\u003eOur dedication to quality is demonstrated through compliance with ADC1062:GRD-84 and ASHRAE 70-2006 testing standards. We also utilize \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" title=\"CFD Airflow Analysis Services for Smarter HVAC Design\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/cfd-airflow-analysis-hvac-design\" target=\"_blank\"\u003ecomputational fluid dynamics (CFD)\u003c\/a\u003e\u003c\/span\u003e modeling to refine our products, ensuring they achieve optimal energy efficiency and operational performance.\u003c\/p\u003e\n\u003cp\u003eA trusted manufacturer since 1997, we produce a full range of high-quality linear slot diffusers (from 1 to 12 slots) for the commercial sector. Get project-specific answers by \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\"\u003econtacting our product specialist team\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 - 3 Slots Linear Diffuser\u003c\/strong\u003e\u003c\/span\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/gAmq_2uO0TA?si=gaZUg0E1HLUsXpKv\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/strong\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 - 3 Slots\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/OuW528iwVm4\" 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 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":41745080254627,"sku":"FWASD25-3\/169W\/942L\/PCWS02","price":137.84,"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-3-slot-white-frontview-flomatrix-hvac.png?v=1789000388"},{"product_id":"14x6-linear-slot-diffuser-matte-black-casa-series-hvac-modern-air-vent-cover-wasd25-3","title":"14x6\" Modern Air Vent Cover – 3-Slot Linear Slot Diffuser – Matte Black – CASA Series","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\n\u003cp\u003eUpgrade a standard HVAC register with a modern air vent cover designed for a clean, architectural look. This \u003cstrong\u003e14x6 inch matte black CASA Series 3-slot linear diffuser\u003c\/strong\u003e combines durable aluminum construction, adjustable airflow and a low-profile design for residential wall and ceiling applications.\u003c\/p\u003e\n\u003cp\u003eDesigned as a retrofit solution for common vent openings, the CASA Series offers the appearance of an architectural linear diffuser without requiring the extensive modifications typically associated with built-in linear air distribution systems. Three precision-engineered 25 mm (1\") slots with 180° adjustable blades provide flexible two-way airflow control, while integrated weather stripping helps create a clean seal around the installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFor optimal fit, appearance and airflow, professional installation is recommended.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesigned for Standard Vent Openings: \u003c\/strong\u003eThe 14x6 CASA Series 3-slot linear diffuser provides a straightforward way to replace conventional HVAC registers with a modern air vent cover. \u003cem\u003ePlease refer to the dimensional diagram to confirm the required opening and overall face dimensions.\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003e\u003cstrong\u003eModern Architectural Design:\u003c\/strong\u003e A clean, minimalist face creates a refined appearance designed to complement contemporary residential interiors.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003e\u003cstrong\u003eThree 25 mm High-Flow Openings:\u003c\/strong\u003e The three wider 25 mm (1\") slots provide greater open area for airflow than our 19 mm slot configuration while maintaining the distinctive linear diffuser profile.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003e\u003cstrong\u003eAdjustable Two-Way Airflow:\u003c\/strong\u003e Internal 180° adjustable blades allow air to be directed in either direction to suit the room and installation.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003e\u003cstrong\u003eIntegrated Weather Stripping:\u003c\/strong\u003e A factory-applied foam gasket helps reduce air leakage around the perimeter and helps prevent dust-related smudging around walls and ceilings.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003e\u003cstrong\u003eArchitectural-Grade Aluminum:\u003c\/strong\u003e Manufactured from \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 Modern Air Vent Covers\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003e6063-T5 extruded aluminum\u003c\/a\u003e\u003c\/span\u003e with reinforced construction to resist bending and cracking during installation and everyday use.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003e\u003cstrong\u003eDurable Matte Black Finish:\u003c\/strong\u003e The powder-coated surface provides a smooth, durable finish with resistance to corrosion and everyday wear.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003e\u003cstrong\u003eClean, Concealed Installation:\u003c\/strong\u003e Designed to allow fastening through the inner surfaces of the diffuser, keeping screws off the visible face for a clean, finished appearance. Mounting locations are determined by the installer based on site conditions. \u003cem\u003eMounting holes are not predrilled, and fasteners are not included, as the appropriate fastener type depends on the installation surface.\u003c\/em\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eShipping:\u003c\/strong\u003e Ships across Canada from Vancouver, BC. \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/pages\/international-sales\" title=\"International Sales | Flo-Matrix HVAC - Canada\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eInternational sales\u003c\/a\u003e\u003c\/span\u003e are available for businesses and industry professionals. Local pickup is available at our Burnaby showroom.\u003c\/p\u003e\n\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\/flo-matrix-hvac-black-modern-minimalist-standard-vent-cover-retrofit-wall-ceiling-register-cover.jpg?v=1789683680\" alt=\"Flo-Matrix HVAC black modern minimalist standard vent cover designed for retrofit applications, featuring a sleek low-profile design that upgrades existing wall and ceiling air registers with a clean contemporary appearance.\"\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\u003e103\u003cbr\u003e150\u003cbr\u003e186\u003cbr\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e0.04\u003cbr\u003e0.08\u003cbr\u003e0.16\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\u003cbr\u003e\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\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\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\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\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\/CASA_Linear_Slot_Diffusers_-_3_Slots_Submittal_Sheet.pdf?v=1746659301\" title=\"CASA Linear Slot Diffusers - 3 Slots Submittal Sheet High Resolution Download\" 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=\"Linear Slot Diffuser - CASA 3-slot installation submittal\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-high-flow-3-slot-CASA-installation-submittal-flomatrix-hvac.jpg?v=1745354957\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\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\/linear-slot-diffuser-14x6-inch-3-slot-25mm-black-overall-dimensions-flomatrix-hvac.png?v=1789690829\" title=\"Full size diagram: Overall dimensions of a 14x6-inch 3-slot linear slot diffuser with 25mm opening in matte black.\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-14x6-inch-3-slot-25mm-black-overall-dimensions-flomatrix-hvac.png?v=1789690829\" alt=\"Overall dimensions of a 14x6-inch 3-slot linear slot diffuser with 25mm opening in matte black.\"\u003e\u003c\/a\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\u003eWhy a Commercial Grade Vent Cover is a Smart Upgrade for Your Home\u003c\/h4\u003e\n\u003cp\u003eThinking about commercial grade vent covers for your house might seem like overkill, but it's actually one of the smartest home improvement upgrades you can make for your HVAC system. While standard AC vent covers are designed to be basic, commercial-grade options are built for superior performance and long-term value, directly benefiting your home comfort.\u003c\/p\u003e\n\u003cp\u003eThe most immediate advantage is their exceptional durability. Crafted from robust materials like architectural-grade aluminum, these linear slot diffusers are engineered to withstand daily life without bending, cracking, or showing wear. This makes them a lasting investment that outperforms standard models year after year.\u003c\/p\u003e\n\u003cp\u003eYou'll also notice a much quieter home environment. Thanks to their precision engineering, these vent covers allow your HVAC system to operate efficiently with significantly reduced noise. They minimize that disruptive whistling and rushing air sound, promoting peaceful and effective airflow in every room.\u003c\/p\u003e\n\u003cp\u003eChoosing a commercial-grade product isn't excessive—it's a practical choice for homeowners who want lasting quality, enhanced indoor air quality, and a more comfortable living space. It’s about investing in better performance and value for your home.\u003c\/p\u003e\n\u003cp\u003eWe've specialized in manufacturing these high-performance solutions since 1997. If you're looking to upgrade your HVAC components, \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" title=\"Contact Us Form - Flo-Matrix HVAC\" rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eour team is here to help you\u003c\/a\u003e\u003c\/span\u003e find the perfect fit.\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\u003cb\u003e\u003cu\u003eShowcase Video of Product - CASA Series Modern AC Vent Covers\u003c\/u\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/wcXlDlqBZeY?si=4-Z83FrdWgw0k3aS\" height=\"315\" width=\"560\" style=\"font-size: 0.875rem;\"\u003e\u003c\/iframe\u003e\u003cbr\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 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":42333207036067,"sku":"FWASD25-3\/169W\/383L\/005","price":56.36,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/modern-air-vent-cover-14x6-black-casa-linear-slot-diffuser-front-flomatrix-hvac.png?v=1790709892"},{"product_id":"6x6-linear-slot-diffuser-matte-black-casa-series-hvac-modern-air-vent-cover-wasd25-3","title":"6x6\" Modern Air Vent Cover – 3-Slot Linear Slot Diffuser – Matte Black – CASA Series","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\n\u003cp\u003eThis 6x6 inch linear slot diffuser in matte black offers the ultimate upgrade for your home's airflow—seamlessly replacing standard vent covers with a sleek, modern look. Unlike flimsy alternatives, our heavy-duty extruded aluminum construction resists cracking during installation, eliminating frustrating breaks. The rich powder-coated finish adds durability while integrated weather stripping prevents ceiling smudges (a game-changer for hard-to-reach ceiling installations!).  \u003c\/p\u003e\n\u003cp\u003eThese precision-engineered diffusers feature 25mm slots with 180° adjustable blades, offering two-way airflow control for customized comfort. Perfect for both residential and professional VAV systems, they combine architectural-grade performance with hassle-free installation—designed as direct replacements for old vent covers. \u003cstrong\u003eFor flawless results and optimal airflow, professional installation is recommended.\u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cbr\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eA Perfect Fit for Your Home:\u003c\/strong\u003e With its standard 6x6\" size, our CASA Series is the ideal, hassle-free retrofit upgrade to replace old, bulky vent covers with a sleek, modern linear slot diffuser. \u003cem\u003ePlease see the diagram for precise measurements\u003c\/em\u003e\u003cem\u003e.\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClean \u0026amp; Modern Residential Design:\u003c\/strong\u003e This vent cover features a crisp, minimalist profile with a defined 1-inch slot opening, designed to seamlessly complement any room's aesthetic without demanding costly renovation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuperior, Quiet Airflow:\u003c\/strong\u003e The engineered 1-inch slot allows a higher volume of air to pass through more efficiently than traditional 19mm AC vent covers, improving your HVAC system's performance without added noise.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtects Your Ceiling from Stains:\u003c\/strong\u003e An integrated foam gasket ensures a tight seal against the ceiling, preventing dusty air leakage that causes ugly black smudges and marks around old registers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSurprisingly Durable Construction:\u003c\/strong\u003e Don’t let its sleek look fool you. Built from \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\"\u003earchitectural-grade aluminum\u003c\/a\u003e\u003c\/span\u003e with reinforced welds, this vent cover is built to resist bending, cracking, and daily wear.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eScratch-Resistant Matte Black Finish:\u003c\/strong\u003e Finished in a sophisticated matte black powder coat that is exceptionally resistant to chipping, corrosion, and fading, keeping it looking new for years.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeamless, No-Screw Look:\u003c\/strong\u003e Achieve a flawless, custom-looking installation. All mounting is handled discreetly on the inner edges, leaving the visible face completely clean and unbroken. (Fasteners not included).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTailor Your Comfort:\u003c\/strong\u003e For ultimate airflow control, easily pair this linear slot diffuser with a \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" 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\"\u003ecustom plenum box\u003c\/a\u003e\u003c\/span\u003e (sold separately) to perfectly match your system's output for any room.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShipping across Canada from Vancouver, BC.\u003c\/strong\u003e \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/pages\/international-sales\" title=\"International Sales | Flo-Matrix HVAC - Canada\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eInternational sales\u003c\/a\u003e\u003c\/span\u003e for businesses and industry professionals. Local pickup available at our Burnaby showroom.\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: start;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: start;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: start;\"\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: start;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: start;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: start;\"\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\/flo-matrix-hvac-black-modern-minimalist-standard-vent-cover-retrofit-wall-ceiling-register-cover.jpg?v=1789683350\" alt=\"Flo-Matrix HVAC black modern minimalist standard vent cover designed for retrofit applications, featuring a sleek low-profile design that upgrades existing wall and ceiling air registers with a clean contemporary appearance.\"\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\u003e41\u003cbr\u003e66\u003cbr\u003e72\u003cbr\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e0.04\u003cbr\u003e0.08\u003cbr\u003e0.10\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\u003e35\u003cbr\u003e\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\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\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\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\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\u003eSubmittal\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\" title=\"CASA Linear Slot Diffusers - 3 Slots Submittal Sheet High Resolution Download\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/CASA_Linear_Slot_Diffusers_-_3_Slots_Submittal_Sheet.pdf?v=1746659301\" 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\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"Linear Slot Diffuser - CASA 3-slot installation submittal\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-high-flow-3-slot-CASA-installation-submittal-flomatrix-hvac.jpg?v=1745276357\"\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\/linear-slot-diffuser-6x6-inch-3-slot-25mm-black-overall-dimensions-flomatrix-hvac.png?v=1789683602\" title=\"Full size diagram: Overall dimensions of a 6x6-inch 3-slot linear slot diffuser with 25mm opening in matte black.\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-6x6-inch-3-slot-25mm-black-overall-dimensions-flomatrix-hvac.png?v=1789683602\" alt=\"Overall dimensions of a 6x6-inch 3-slot linear slot diffuser with 25mm opening in matte black.\"\u003e\u003c\/a\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\u003eWhy a Commercial Grade Vent Cover is a Smart Upgrade for Your Home\u003c\/h4\u003e\n\u003cp\u003eThinking about commercial grade vent covers for your house might seem like overkill, but it's actually one of the smartest home improvement upgrades you can make for your HVAC system. While standard AC vent covers are designed to be basic, commercial-grade options are built for superior performance and long-term value, directly benefiting your home comfort.\u003c\/p\u003e\n\u003cp\u003eThe most immediate advantage is their exceptional durability. Crafted from robust materials like architectural-grade aluminum, these linear slot diffusers are engineered to withstand daily life without bending, cracking, or showing wear. This makes them a lasting investment that outperforms standard models year after year.\u003c\/p\u003e\n\u003cp\u003eYou'll also notice a much quieter home environment. Thanks to their precision engineering, these vent covers allow your HVAC system to operate efficiently with significantly reduced noise. They minimize that disruptive whistling and rushing air sound, promoting peaceful and effective airflow in every room.\u003c\/p\u003e\n\u003cp\u003eChoosing a commercial-grade product isn't excessive—it's a practical choice for homeowners who want lasting quality, enhanced indoor air quality, and a more comfortable living space. It’s about investing in better performance and value for your home.\u003c\/p\u003e\n\u003cp\u003eWe've specialized in manufacturing these high-performance solutions since 1997. If you're looking to upgrade your HVAC components, \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" title=\"Contact Us Form - Flo-Matrix HVAC\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" target=\"_blank\"\u003eour team is here to help you\u003c\/a\u003e\u003c\/span\u003e find the perfect fit.\u003cbr\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\u003cb\u003e\u003cu\u003eShowcase Video of Product - CASA Series Modern AC Vent Covers\u003c\/u\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe style=\"font-size: 0.875rem;\" width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/wcXlDlqBZeY?si=4-Z83FrdWgw0k3aS\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003cbr\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":42333231939747,"sku":"FWASD25-3\/169W\/180L\/005","price":38.42,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/modern-air-vent-cover-6x6-black-casa-linear-slot-diffuser-front-flomatrix-hvac.png?v=1790706886"},{"product_id":"10x6-linear-slot-diffuser-matte-white-casa-series-hvac-modern-air-vent-cover-wasd25-3","title":"10x6\" Modern Air Vent Cover – 3-Slot Linear Slot Diffuser – Matte White – CASA Series","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\u003cp\u003eUpgrade a standard HVAC register with a modern air vent cover designed for a clean, architectural look. This \u003cstrong\u003e10x6 inch matte white CASA Series 3-slot linear diffuser\u003c\/strong\u003e combines durable aluminum construction, adjustable airflow and a low-profile design for residential wall and ceiling applications.\u003c\/p\u003e\n\u003cp\u003eDesigned as a retrofit solution for common vent openings, the CASA Series offers the appearance of an architectural linear diffuser without requiring the extensive modifications typically associated with built-in linear air distribution systems. Three precision-engineered 25 mm (1\") slots with 180° adjustable blades provide flexible two-way airflow control, while integrated weather stripping helps create a clean seal around the installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFor optimal fit, appearance and airflow, professional installation is recommended.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesigned for Standard Vent Openings: \u003c\/strong\u003eThe 10x6 CASA Series 3-slot linear diffuser provides a straightforward way to replace conventional HVAC registers with a modern air vent cover. \u003cem\u003ePlease refer to the dimensional diagram to confirm the required opening and overall face dimensions.\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003e\u003cstrong\u003eModern Architectural Design:\u003c\/strong\u003e A clean, minimalist face creates a refined appearance designed to complement contemporary residential interiors.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003e\u003cstrong\u003eThree 25 mm High-Flow Openings:\u003c\/strong\u003e The three wider 25 mm (1\") slots provide greater open area for airflow than our 19 mm slot configuration while maintaining the distinctive linear diffuser profile.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003e\u003cstrong\u003eAdjustable Two-Way Airflow:\u003c\/strong\u003e Internal 180° adjustable blades allow air to be directed in either direction to suit the room and installation.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003e\u003cstrong\u003eIntegrated Weather Stripping:\u003c\/strong\u003e A factory-applied foam gasket helps reduce air leakage around the perimeter and helps prevent dust-related smudging around walls and ceilings.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003e\u003cstrong\u003eArchitectural-Grade Aluminum:\u003c\/strong\u003e Manufactured from \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 Modern Air Vent Covers\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003e6063-T5 extruded aluminum\u003c\/a\u003e\u003c\/span\u003e with reinforced construction to resist bending and cracking during installation and everyday use.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003e\u003cstrong\u003eDurable Matte White Finish:\u003c\/strong\u003e The powder-coated surface provides a smooth, durable finish with resistance to corrosion and everyday wear.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003e\u003cstrong\u003eClean, Concealed Installation:\u003c\/strong\u003e Designed to allow fastening through the inner surfaces of the diffuser, keeping screws off the visible face for a clean, finished appearance. Mounting locations are determined by the installer based on site conditions. \u003cem\u003eMounting holes are not predrilled, and fasteners are not included, as the appropriate fastener type depends on the installation surface.\u003c\/em\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eShipping:\u003c\/strong\u003e Ships across Canada from Vancouver, BC. \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/pages\/international-sales\" title=\"International Sales | Flo-Matrix HVAC - Canada\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eInternational sales\u003c\/a\u003e\u003c\/span\u003e are available for businesses and industry professionals. Local pickup is available at our Burnaby showroom.\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;\"\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 src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/modern-bathroom-wall-air-vent-cover-white-linear-grille-flomatrix-hvac.jpg?v=1789686759\" alt=\"White linear air vent cover installed on a modern bathroom wall with natural sunlight and contemporary interior design.\"\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\u003e71\u003cbr\u003e101\u003cbr\u003e125\u003cbr\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e0.04\u003cbr\u003e0.08\u003cbr\u003e0.16\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\u003cbr\u003e\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\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\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\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\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=\"CASA Linear Slot Diffusers - 3 Slots Submittal Sheet High Resolution Download\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/CASA_Linear_Slot_Diffusers_-_3_Slots_Submittal_Sheet.pdf?v=1746659301\" 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 src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-high-flow-3-slot-CASA-installation-submittal-flomatrix-hvac.jpg?v=1745351180\" alt=\"Linear Slot Diffuser - CASA 3-slot installation submittal\"\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\/linear-slot-diffuser-10x6-inch-3-slot-25mm-white-overall-dimensions-flomatrix-hvac.png?v=1789687681\" title=\"Full size diagram: Overall dimensions of a 10x6-inch 3-slot linear slot diffuser with 25mm opening in matte white.\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-10x6-inch-3-slot-25mm-white-overall-dimensions-flomatrix-hvac.png?v=1789687681\" alt=\"Overall dimensions of a 10x6-inch 3-slot linear slot diffuser with 25mm opening in matte white.\"\u003e\u003c\/a\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\u003eWhy a Commercial Grade Vent Cover is a Smart Upgrade for Your Home\u003c\/h4\u003e\n\u003cp\u003eThinking about commercial grade vent covers for your house might seem like overkill, but it's actually one of the smartest home improvement upgrades you can make for your HVAC system. While standard AC vent covers are designed to be basic, commercial-grade options are built for superior performance and long-term value, directly benefiting your home comfort.\u003c\/p\u003e\n\u003cp\u003eThe most immediate advantage is their exceptional durability. Crafted from robust materials like architectural-grade aluminum, these linear slot diffusers are engineered to withstand daily life without bending, cracking, or showing wear. This makes them a lasting investment that outperforms standard models year after year.\u003c\/p\u003e\n\u003cp\u003eYou'll also notice a much quieter home environment. Thanks to their precision engineering, these vent covers allow your HVAC system to operate efficiently with significantly reduced noise. They minimize that disruptive whistling and rushing air sound, promoting peaceful and effective airflow in every room.\u003c\/p\u003e\n\u003cp\u003eChoosing a commercial-grade product isn't excessive—it's a practical choice for homeowners who want lasting quality, enhanced indoor air quality, and a more comfortable living space. It’s about investing in better performance and value for your home.\u003c\/p\u003e\n\u003cp\u003eWe've specialized in manufacturing these high-performance solutions since 1997. If you're looking to upgrade your HVAC components, \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" title=\"Contact Us Form - Flo-Matrix HVAC\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" target=\"_blank\"\u003eour team is here to help you\u003c\/a\u003e\u003c\/span\u003e find the perfect fit.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eVideos\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cb\u003e\u003cu\u003eShowcase Video of Product - CASA Series Modern AC Vent Covers\u003c\/u\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe style=\"font-size: 0.875rem;\" width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/wcXlDlqBZeY?si=4-Z83FrdWgw0k3aS\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003cbr\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":42333237117091,"sku":"FWASD25-3\/169W\/282L\/PCWS02","price":45.87,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/modern-air-vent-cover-10x6-white-casa-linear-slot-diffuser-front-flomatrix-hvac.png?v=1790708819"},{"product_id":"12x6-linear-slot-diffuser-matte-white-casa-series-hvac-modern-air-vent-cover-wasd25-3","title":"12x6\" Modern Air Vent Cover – 3-Slot Linear Slot Diffuser – Matte White – CASA Series","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\u003cp\u003eUpgrade a standard HVAC register with a modern air vent cover designed for a clean, architectural look. This \u003cstrong\u003e12x6 inch matte white CASA Series 3-slot linear diffuser\u003c\/strong\u003e combines durable aluminum construction, adjustable airflow and a low-profile design for residential wall and ceiling applications.\u003c\/p\u003e\n\u003cp\u003eDesigned as a retrofit solution for common vent openings, the CASA Series offers the appearance of an architectural linear diffuser without requiring the extensive modifications typically associated with built-in linear air distribution systems. Three precision-engineered 25 mm (1\") slots with 180° adjustable blades provide flexible two-way airflow control, while integrated weather stripping helps create a clean seal around the installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFor optimal fit, appearance and airflow, professional installation is recommended.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesigned for Standard Vent Openings: \u003c\/strong\u003eThe 12x6 CASA Series 3-slot linear diffuser provides a straightforward way to replace conventional HVAC registers with a modern air vent cover. \u003cem\u003ePlease refer to the dimensional diagram to confirm the required opening and overall face dimensions.\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003e\u003cstrong\u003eModern Architectural Design:\u003c\/strong\u003e A clean, minimalist face creates a refined appearance designed to complement contemporary residential interiors.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003e\u003cstrong\u003eThree 25 mm High-Flow Openings:\u003c\/strong\u003e The three wider 25 mm (1\") slots provide greater open area for airflow than our 19 mm slot configuration while maintaining the distinctive linear diffuser profile.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003e\u003cstrong\u003eAdjustable Two-Way Airflow:\u003c\/strong\u003e Internal 180° adjustable blades allow air to be directed in either direction to suit the room and installation.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003e\u003cstrong\u003eIntegrated Weather Stripping:\u003c\/strong\u003e A factory-applied foam gasket helps reduce air leakage around the perimeter and helps prevent dust-related smudging around walls and ceilings.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003e\u003cstrong\u003eArchitectural-Grade Aluminum:\u003c\/strong\u003e Manufactured from \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 Modern Air Vent Covers\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003e6063-T5 extruded aluminum\u003c\/a\u003e\u003c\/span\u003e with reinforced construction to resist bending and cracking during installation and everyday use.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003e\u003cstrong\u003eDurable Matte White Finish:\u003c\/strong\u003e The powder-coated surface provides a smooth, durable finish with resistance to corrosion and everyday wear.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003e\u003cstrong\u003eClean, Concealed Installation:\u003c\/strong\u003e Designed to allow fastening through the inner surfaces of the diffuser, keeping screws off the visible face for a clean, finished appearance. Mounting locations are determined by the installer based on site conditions. \u003cem\u003eMounting holes are not predrilled, and fasteners are not included, as the appropriate fastener type depends on the installation surface.\u003c\/em\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eShipping:\u003c\/strong\u003e Ships across Canada from Vancouver, BC. \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/pages\/international-sales\" title=\"International Sales | Flo-Matrix HVAC - Canada\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eInternational sales\u003c\/a\u003e\u003c\/span\u003e are available for businesses and industry professionals. Local pickup is available at our Burnaby showroom.\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;\"\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: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/modern-bathroom-wall-air-vent-cover-white-linear-grille-flomatrix-hvac.jpg?v=1789686759\" alt=\"White linear air vent cover installed on a modern bathroom wall with natural sunlight and contemporary interior design.\"\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\u003cbr\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\u003e83\u003cbr\u003e118\u003cbr\u003e146\u003cbr\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e0.04\u003cbr\u003e0.08\u003cbr\u003e0.16\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\u003cbr\u003e\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 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\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\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\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\u003e Submittal\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=\"CASA Linear Slot Diffusers - 3 Slots Submittal Sheet High Resolution Download\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/CASA_Linear_Slot_Diffusers_-_3_Slots_Submittal_Sheet.pdf?v=1746659301\" 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=\"Linear Slot Diffuser - CASA 3-slot installation submittal\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-high-flow-3-slot-CASA-installation-submittal-flomatrix-hvac.jpg?v=1745353478\"\u003e\u003c\/p\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\/linear-slot-diffuser-12x6-inch-3-slot-25mm-white-overall-dimensions-flomatrix-hvac.png?v=1789690530\" title=\"Full size diagram: Overall dimensions of a 12x6-inch 3-slot linear slot diffuser with 25mm opening in matte white.\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-12x6-inch-3-slot-25mm-white-overall-dimensions-flomatrix-hvac.png?v=1789690530\" alt=\"Overall dimensions of a 12x6-inch 3-slot linear slot diffuser with 25mm opening in matte white.\"\u003e\u003c\/a\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\u003eWhy a Commercial Grade Vent Cover is a Smart Upgrade for Your Home\u003c\/h4\u003e\n\u003cp\u003eThinking about commercial grade vent covers for your house might seem like overkill, but it's actually one of the smartest home improvement upgrades you can make for your HVAC system. While standard AC vent covers are designed to be basic, commercial-grade options are built for superior performance and long-term value, directly benefiting your home comfort.\u003c\/p\u003e\n\u003cp\u003eThe most immediate advantage is their exceptional durability. Crafted from robust materials like architectural-grade aluminum, these linear slot diffusers are engineered to withstand daily life without bending, cracking, or showing wear. This makes them a lasting investment that outperforms standard models year after year.\u003c\/p\u003e\n\u003cp\u003eYou'll also notice a much quieter home environment. Thanks to their precision engineering, these vent covers allow your HVAC system to operate efficiently with significantly reduced noise. They minimize that disruptive whistling and rushing air sound, promoting peaceful and effective airflow in every room.\u003c\/p\u003e\n\u003cp\u003eChoosing a commercial-grade product isn't excessive—it's a practical choice for homeowners who want lasting quality, enhanced indoor air quality, and a more comfortable living space. It’s about investing in better performance and value for your home.\u003c\/p\u003e\n\u003cp\u003eWe've specialized in manufacturing these high-performance solutions since 1997. If you're looking to upgrade your HVAC components, \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" title=\"Contact Us Form - Flo-Matrix HVAC\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" target=\"_blank\"\u003eour team is here to help you\u003c\/a\u003e\u003c\/span\u003e find the perfect fit.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eVideos\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cb\u003e\u003cu\u003eShowcase Video of Product - CASA Series Modern AC Vent Covers\u003c\/u\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/wcXlDlqBZeY?si=4-Z83FrdWgw0k3aS\" height=\"315\" width=\"560\" style=\"font-size: 0.875rem;\"\u003e\u003c\/iframe\u003e\u003cbr\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 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":42333248749731,"sku":"FWASD25-3\/169W\/333L\/PCWS02","price":53.31,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/modern-air-vent-cover-12x6-white-casa-linear-slot-diffuser-front-flomatrix-hvac.png?v=1790709383"},{"product_id":"14x6-linear-slot-diffuser-matte-white-casa-series-hvac-modern-air-vent-cover-wasd25-3","title":"14x6\" Modern Air Vent Cover – 3-Slot Linear Slot Diffuser – Matte White – CASA Series","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\u003cp\u003eUpgrade a standard HVAC register with a modern air vent cover designed for a clean, architectural look. This \u003cstrong\u003e14x6 inch matte white CASA Series 3-slot linear diffuser\u003c\/strong\u003e combines durable aluminum construction, adjustable airflow and a low-profile design for residential wall and ceiling applications.\u003c\/p\u003e\n\u003cp\u003eDesigned as a retrofit solution for common vent openings, the CASA Series offers the appearance of an architectural linear diffuser without requiring the extensive modifications typically associated with built-in linear air distribution systems. Three precision-engineered 25 mm (1\") slots with 180° adjustable blades provide flexible two-way airflow control, while integrated weather stripping helps create a clean seal around the installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFor optimal fit, appearance and airflow, professional installation is recommended.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesigned for Standard Vent Openings: \u003c\/strong\u003eThe 14x6 CASA Series 3-slot linear diffuser provides a straightforward way to replace conventional HVAC registers with a modern air vent cover. \u003cem\u003ePlease refer to the dimensional diagram to confirm the required opening and overall face dimensions.\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003e\u003cstrong\u003eModern Architectural Design:\u003c\/strong\u003e A clean, minimalist face creates a refined appearance designed to complement contemporary residential interiors.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003e\u003cstrong\u003eThree 25 mm High-Flow Openings:\u003c\/strong\u003e The three wider 25 mm (1\") slots provide greater open area for airflow than our 19 mm slot configuration while maintaining the distinctive linear diffuser profile.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003e\u003cstrong\u003eAdjustable Two-Way Airflow:\u003c\/strong\u003e Internal 180° adjustable blades allow air to be directed in either direction to suit the room and installation.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003e\u003cstrong\u003eIntegrated Weather Stripping:\u003c\/strong\u003e A factory-applied foam gasket helps reduce air leakage around the perimeter and helps prevent dust-related smudging around walls and ceilings.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003e\u003cstrong\u003eArchitectural-Grade Aluminum:\u003c\/strong\u003e Manufactured from \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 Modern Air Vent Covers\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003e6063-T5 extruded aluminum\u003c\/a\u003e\u003c\/span\u003e with reinforced construction to resist bending and cracking during installation and everyday use.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003e\u003cstrong\u003eDurable Matte White Finish:\u003c\/strong\u003e The powder-coated surface provides a smooth, durable finish with resistance to corrosion and everyday wear.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003e\u003cstrong\u003eClean, Concealed Installation:\u003c\/strong\u003e Designed to allow fastening through the inner surfaces of the diffuser, keeping screws off the visible face for a clean, finished appearance. Mounting locations are determined by the installer based on site conditions. \u003cem\u003eMounting holes are not predrilled, and fasteners are not included, as the appropriate fastener type depends on the installation surface.\u003c\/em\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eShipping:\u003c\/strong\u003e Ships across Canada from Vancouver, BC. \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/pages\/international-sales\" title=\"International Sales | Flo-Matrix HVAC - Canada\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eInternational sales\u003c\/a\u003e\u003c\/span\u003e are available for businesses and industry professionals. Local pickup is available at our Burnaby showroom.\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;\"\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: 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\/modern-bathroom-wall-air-vent-cover-white-linear-grille-flomatrix-hvac.jpg?v=1789686759\" alt=\"White linear air vent cover installed on a modern bathroom wall with natural sunlight and contemporary interior design.\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\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\u003e103\u003cbr\u003e150\u003cbr\u003e186\u003cbr\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e0.04\u003cbr\u003e0.08\u003cbr\u003e0.16\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\u003cbr\u003e\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\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\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\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\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=\"CASA Linear Slot Diffusers - 3 Slots Submittal Sheet High Resolution Download\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/CASA_Linear_Slot_Diffusers_-_3_Slots_Submittal_Sheet.pdf?v=1746659301\" 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=\"Linear Slot Diffuser - CASA 3-slot installation submittal\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-high-flow-3-slot-CASA-installation-submittal-flomatrix-hvac.jpg?v=1745355400\"\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\/linear-slot-diffuser-14x6-inch-3-slot-25mm-white-overall-dimensions-flomatrix-hvac.png?v=1789691291\" title=\"Full size diagram: Overall dimensions of a 14x6-inch 3-slot linear slot diffuser with 25mm opening in matte white.\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-14x6-inch-3-slot-25mm-white-overall-dimensions-flomatrix-hvac.png?v=1789691291\" alt=\"Overall dimensions of a 14x6-inch 3-slot linear slot diffuser with 25mm opening in matte white.\"\u003e\u003c\/a\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\u003eWhy a Commercial Grade Vent Cover is a Smart Upgrade for Your Home\u003c\/h4\u003e\n\u003cp\u003eThinking about commercial grade vent covers for your house might seem like overkill, but it's actually one of the smartest home improvement upgrades you can make for your HVAC system. While standard AC vent covers are designed to be basic, commercial-grade options are built for superior performance and long-term value, directly benefiting your home comfort.\u003c\/p\u003e\n\u003cp\u003eThe most immediate advantage is their exceptional durability. Crafted from robust materials like architectural-grade aluminum, these linear slot diffusers are engineered to withstand daily life without bending, cracking, or showing wear. This makes them a lasting investment that outperforms standard models year after year.\u003c\/p\u003e\n\u003cp\u003eYou'll also notice a much quieter home environment. Thanks to their precision engineering, these vent covers allow your HVAC system to operate efficiently with significantly reduced noise. They minimize that disruptive whistling and rushing air sound, promoting peaceful and effective airflow in every room.\u003c\/p\u003e\n\u003cp\u003eChoosing a commercial-grade product isn't excessive—it's a practical choice for homeowners who want lasting quality, enhanced indoor air quality, and a more comfortable living space. It’s about investing in better performance and value for your home.\u003c\/p\u003e\n\u003cp\u003eWe've specialized in manufacturing these high-performance solutions since 1997. If you're looking to upgrade your HVAC components, \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" title=\"Contact Us Form - Flo-Matrix HVAC\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" target=\"_blank\"\u003eour team is here to help you\u003c\/a\u003e\u003c\/span\u003e find the perfect fit.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eVideos\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cb\u003e\u003cu\u003eShowcase Video of Product - CASA Series Modern AC Vent Covers\u003c\/u\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/wcXlDlqBZeY?si=4-Z83FrdWgw0k3aS\" height=\"315\" width=\"560\" style=\"font-size: 0.875rem;\"\u003e\u003c\/iframe\u003e\u003cbr\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 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":42333255663779,"sku":"FWASD25-3\/169W\/383L\/PCWS02","price":56.36,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/modern-air-vent-cover-14x6-white-casa-linear-slot-diffuser-front-flomatrix-hvac.png?v=1790709990"},{"product_id":"6x6-linear-slot-diffuser-matte-white-casa-series-hvac-modern-air-vent-cover-wasd25-3","title":"6x6\" Modern Air Vent Cover – 3-Slot Linear Slot Diffuser – Matte White – CASA Series","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\n\u003cp\u003eThis 6x6 inch linear slot diffuser in a chic white offers the ultimate upgrade for your home's airflow—seamlessly replacing standard vent covers with a sleek, modern look. Unlike flimsy alternatives, our heavy-duty extruded aluminum construction resists cracking during installation, eliminating frustrating breaks. The rich powder-coated finish adds durability while integrated weather stripping prevents ceiling smudges (a game-changer for hard-to-reach ceiling installations!). \u003c\/p\u003e\n\u003cp\u003eThese precision-engineered diffusers feature 25mm slots with 180° adjustable blades, offering two-way airflow control for customized comfort. Perfect for both residential and professional VAV systems, they combine architectural-grade performance with hassle-free installation—designed as direct replacements for old vent covers. \u003cstrong\u003eFor flawless results and optimal airflow, professional installation is recommended.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cbr\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eA Perfect Fit for Your Home:\u003c\/strong\u003e With its standard 6x6\" size, our CASA Series is the ideal, hassle-free retrofit upgrade to replace old, bulky vent covers with a sleek, modern linear slot diffuser. \u003cem\u003ePlease see the diagram for precise measurements\u003c\/em\u003e\u003cem\u003e.\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClean \u0026amp; Modern Residential Design:\u003c\/strong\u003e This vent cover features a crisp, minimalist profile with a defined 1-inch slot opening, designed to seamlessly complement any room's aesthetic without demanding costly renovation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuperior, Quiet Airflow:\u003c\/strong\u003e The engineered 1-inch slot allows a higher volume of air to pass through more efficiently than traditional 19mm AC vent covers, improving your HVAC system's performance without added noise.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtects Your Ceiling from Stains:\u003c\/strong\u003e An integrated foam gasket ensures a tight seal against the ceiling, preventing dusty air leakage that causes ugly black smudges and marks around old registers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSurprisingly Durable Construction:\u003c\/strong\u003e Don’t let its sleek look fool you. Built from \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\"\u003earchitectural-grade aluminum\u003c\/a\u003e\u003c\/span\u003e with reinforced welds, this vent cover is built to resist bending, cracking, and daily wear.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStrong 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\u003eSeamless, No-Screw Look:\u003c\/strong\u003e Achieve a flawless, custom-looking installation. All mounting is handled discreetly on the inner edges, leaving the visible face completely clean and unbroken. (Fasteners not included).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTailor Your Comfort:\u003c\/strong\u003e For ultimate airflow control, easily pair this linear slot 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\" target=\"_blank\"\u003ecustom plenum box\u003c\/a\u003e\u003c\/span\u003e (sold separately) to perfectly match your system's output for any room.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShipping across Canada from Vancouver, BC.\u003c\/strong\u003e \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/pages\/international-sales\" title=\"International Sales | Flo-Matrix HVAC - Canada\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eInternational sales\u003c\/a\u003e\u003c\/span\u003e for businesses and industry professionals. Local pickup available at our Burnaby showroom.\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\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\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\/modern-bathroom-wall-air-vent-cover-white-linear-grille-flomatrix-hvac.jpg?v=1789686759\" alt=\"White linear air vent cover installed on a modern bathroom wall with natural sunlight and contemporary interior design.\"\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\u003e41\u003cbr\u003e66\u003cbr\u003e72\u003cbr\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e0.04\u003cbr\u003e0.08\u003cbr\u003e0.10\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\u003e35\u003cbr\u003e\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\n\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\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\u003e Submittal\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\/CASA_Linear_Slot_Diffusers_-_3_Slots_Submittal_Sheet.pdf?v=1746659301\" title=\"CASA Linear Slot Diffusers - 3 Slots Submittal Sheet High Resolution Download\" 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=\"Linear Slot Diffuser - CASA 3-slot installation submittal\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-high-flow-3-slot-CASA-installation-submittal-flomatrix-hvac.jpg?v=1745276872\"\u003e\u003c\/p\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\/linear-slot-diffuser-6x6-inch-3-slot-25mm-white-overall-dimensions-flomatrix-hvac.png?v=1789684336\" title=\"Full size diagram: Overall dimensions of a 6x6-inch 3-slot linear slot diffuser with 25mm opening in matte white.\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-6x6-inch-3-slot-25mm-white-overall-dimensions-flomatrix-hvac.png?v=1789684336\" alt=\"Overall dimensions of a 6x6-inch 3-slot linear slot diffuser with 25mm opening in matte white.\"\u003e\u003c\/a\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\u003eWhy a Commercial Grade Vent Cover is a Smart Upgrade for Your Home\u003c\/h4\u003e\n\u003cp\u003eThinking about commercial grade vent covers for your house might seem like overkill, but it's actually one of the smartest home improvement upgrades you can make for your HVAC system. While standard AC vent covers are designed to be basic, commercial-grade options are built for superior performance and long-term value, directly benefiting your home comfort.\u003c\/p\u003e\n\u003cp\u003eThe most immediate advantage is their exceptional durability. Crafted from robust materials like architectural-grade aluminum, these linear slot diffusers are engineered to withstand daily life without bending, cracking, or showing wear. This makes them a lasting investment that outperforms standard models year after year.\u003c\/p\u003e\n\u003cp\u003eYou'll also notice a much quieter home environment. Thanks to their precision engineering, these vent covers allow your HVAC system to operate efficiently with significantly reduced noise. They minimize that disruptive whistling and rushing air sound, promoting peaceful and effective airflow in every room.\u003c\/p\u003e\n\u003cp\u003eChoosing a commercial-grade product isn't excessive—it's a practical choice for homeowners who want lasting quality, enhanced indoor air quality, and a more comfortable living space. It’s about investing in better performance and value for your home.\u003c\/p\u003e\n\u003cp\u003eWe've specialized in manufacturing these high-performance solutions since 1997. If you're looking to upgrade your HVAC components, \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" title=\"Contact Us Form - Flo-Matrix HVAC\" rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eour team is here to help you\u003c\/a\u003e\u003c\/span\u003e find the perfect fit.\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\u003cb\u003e\u003cu\u003eShowcase Video of Product - CASA Series Modern AC Vent Covers\u003c\/u\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/wcXlDlqBZeY?si=4-Z83FrdWgw0k3aS\" height=\"315\" width=\"560\" style=\"font-size: 0.875rem;\"\u003e\u003c\/iframe\u003e\u003cbr\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 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":42333268967587,"sku":"FWASD25-3\/169W\/180L\/PCWS02","price":38.42,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/modern-air-vent-cover-6x6-white-casa-linear-slot-diffuser-front-flomatrix-hvac.png?v=1790707136"},{"product_id":"8x6-linear-slot-diffuser-matte-white-casa-series-hvac-modern-air-vent-cover-wasd25-3","title":"8x6\" Modern Air Vent Cover – 3-Slot Linear Slot Diffuser – Matte White – CASA Series","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\u003cp\u003eUpgrade a standard HVAC register with a modern air vent cover designed for a clean, architectural look. This \u003cstrong\u003e8x6 inch matte white CASA Series 3-slot linear diffuser\u003c\/strong\u003e combines durable aluminum construction, adjustable airflow and a low-profile design for residential wall and ceiling applications.\u003c\/p\u003e\n\u003cp\u003eDesigned as a retrofit solution for common vent openings, the CASA Series offers the appearance of an architectural linear diffuser without requiring the extensive modifications typically associated with built-in linear air distribution systems. Three precision-engineered 25 mm (1\") slots with 180° adjustable blades provide flexible two-way airflow control, while integrated weather stripping helps create a clean seal around the installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFor optimal fit, appearance and airflow, professional installation is recommended.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesigned for Standard Vent Openings: \u003c\/strong\u003eThe 8x6 CASA Series 3-slot linear diffuser provides a straightforward way to replace conventional HVAC registers with a modern air vent cover. \u003cem\u003ePlease refer to the dimensional diagram to confirm the required opening and overall face dimensions.\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003e\u003cstrong\u003eModern Architectural Design:\u003c\/strong\u003e A clean, minimalist face creates a refined appearance designed to complement contemporary residential interiors.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003e\u003cstrong\u003eThree 25 mm High-Flow Openings:\u003c\/strong\u003e The three wider 25 mm (1\") slots provide greater open area for airflow than our 19 mm slot configuration while maintaining the distinctive linear diffuser profile.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003e\u003cstrong\u003eAdjustable Two-Way Airflow:\u003c\/strong\u003e Internal 180° adjustable blades allow air to be directed in either direction to suit the room and installation.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003e\u003cstrong\u003eIntegrated Weather Stripping:\u003c\/strong\u003e A factory-applied foam gasket helps reduce air leakage around the perimeter and helps prevent dust-related smudging around walls and ceilings.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003e\u003cstrong\u003eArchitectural-Grade Aluminum:\u003c\/strong\u003e Manufactured from \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 Modern Air Vent Covers\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003e6063-T5 extruded aluminum\u003c\/a\u003e\u003c\/span\u003e with reinforced construction to resist bending and cracking during installation and everyday use.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003e\u003cstrong\u003eDurable Matte White Finish:\u003c\/strong\u003e The powder-coated surface provides a smooth, durable finish with resistance to corrosion and everyday wear.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003e\u003cstrong\u003eClean, Concealed Installation:\u003c\/strong\u003e Designed to allow fastening through the inner surfaces of the diffuser, keeping screws off the visible face for a clean, finished appearance. Mounting locations are determined by the installer based on site conditions. \u003cem\u003eMounting holes are not predrilled, and fasteners are not included, as the appropriate fastener type depends on the installation surface.\u003c\/em\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eShipping:\u003c\/strong\u003e Ships across Canada from Vancouver, BC. \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/pages\/international-sales\" title=\"International Sales | Flo-Matrix HVAC - Canada\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eInternational sales\u003c\/a\u003e\u003c\/span\u003e are available for businesses and industry professionals. Local pickup is available at our Burnaby showroom.\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\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: left;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/modern-bathroom-wall-air-vent-cover-white-linear-grille-flomatrix-hvac.jpg?v=1789686759\" alt=\"White linear air vent cover installed on a modern bathroom wall with natural sunlight and contemporary interior design.\"\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\u003cbr\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\u003e82\u003cbr\u003e101\u003cbr\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e0.04\u003cbr\u003e0.08\u003cbr\u003e0.16\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\u003cbr\u003e\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\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\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\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\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=\"CASA Linear Slot Diffusers - 3 Slots Submittal Sheet High Resolution Download\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/CASA_Linear_Slot_Diffusers_-_3_Slots_Submittal_Sheet.pdf?v=1746659301\" 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 src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-high-flow-3-slot-CASA-installation-submittal-flomatrix-hvac.jpg?v=1745276872\" alt=\"Linear Slot Diffuser - CASA 3-slot installation submittal\"\u003e\u003c\/p\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\/linear-slot-diffuser-8x6-inch-3-slot-25mm-white-overall-dimensions-flomatrix-hvac.png?v=1789685954\" title=\"Full size diagram: Overall dimensions of a 8x6-inch 3-slot linear slot diffuser with 25mm opening in matte white.\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-8x6-inch-3-slot-25mm-white-overall-dimensions-flomatrix-hvac.png?v=1789685954\" alt=\"Overall dimensions of a 8x6-inch 3-slot linear slot diffuser with 25mm opening in matte white.\"\u003e\u003c\/a\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\u003eWhy a Commercial Grade Vent Cover is a Smart Upgrade for Your Home\u003c\/h4\u003e\n\u003cp\u003eThinking about commercial grade vent covers for your house might seem like overkill, but it's actually one of the smartest home improvement upgrades you can make for your HVAC system. While standard AC vent covers are designed to be basic, commercial-grade options are built for superior performance and long-term value, directly benefiting your home comfort.\u003c\/p\u003e\n\u003cp\u003eThe most immediate advantage is their exceptional durability. Crafted from robust materials like architectural-grade aluminum, these linear slot diffusers are engineered to withstand daily life without bending, cracking, or showing wear. This makes them a lasting investment that outperforms standard models year after year.\u003c\/p\u003e\n\u003cp\u003eYou'll also notice a much quieter home environment. Thanks to their precision engineering, these vent covers allow your HVAC system to operate efficiently with significantly reduced noise. They minimize that disruptive whistling and rushing air sound, promoting peaceful and effective airflow in every room.\u003c\/p\u003e\n\u003cp\u003eChoosing a commercial-grade product isn't excessive—it's a practical choice for homeowners who want lasting quality, enhanced indoor air quality, and a more comfortable living space. It’s about investing in better performance and value for your home.\u003c\/p\u003e\n\u003cp\u003eWe've specialized in manufacturing these high-performance solutions since 1997. If you're looking to upgrade your HVAC components, \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" title=\"Contact Us Form - Flo-Matrix HVAC\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" target=\"_blank\"\u003eour team is here to help you\u003c\/a\u003e\u003c\/span\u003e find the perfect fit.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eVideos\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cb\u003e\u003cu\u003eShowcase Video of Product - CASA Series Modern AC Vent Covers\u003c\/u\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe style=\"font-size: 0.875rem;\" width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/wcXlDlqBZeY?si=4-Z83FrdWgw0k3aS\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003cbr\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":43385418514595,"sku":"FWASD25-3\/169W\/231L\/PCWS02","price":40.07,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/modern-air-vent-cover-8x6-white-casa-linear-slot-diffuser-front-flomatrix-hvac.png?v=1790707762"},{"product_id":"8x6-linear-slot-diffuser-matte-black-casa-series-hvac-modern-air-vent-cover-wasd25-3","title":"8x6\" Modern Air Vent Cover – 3-Slot Linear Slot Diffuser – Matte Black – CASA Series","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\n\u003cp\u003eUpgrade a standard HVAC register with a modern air vent cover designed for a clean, architectural look. This \u003cstrong\u003e8x6 inch matte black CASA Series 3-slot linear diffuser\u003c\/strong\u003e combines durable aluminum construction, adjustable airflow and a low-profile design for residential wall and ceiling applications.\u003c\/p\u003e\n\u003cp\u003eDesigned as a retrofit solution for common vent openings, the CASA Series offers the appearance of an architectural linear diffuser without requiring the extensive modifications typically associated with built-in linear air distribution systems. Three precision-engineered 25 mm (1\") slots with 180° adjustable blades provide flexible two-way airflow control, while integrated weather stripping helps create a clean seal around the installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFor optimal fit, appearance and airflow, professional installation is recommended.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesigned for Standard Vent Openings: \u003c\/strong\u003eThe 8x6 CASA Series 3-slot linear diffuser provides a straightforward way to replace conventional HVAC registers with a modern air vent cover. \u003cem\u003ePlease refer to the dimensional diagram to confirm the required opening and overall face dimensions.\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003e\u003cstrong\u003eModern Architectural Design:\u003c\/strong\u003e A clean, minimalist face creates a refined appearance designed to complement contemporary residential interiors.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003e\u003cstrong\u003eThree 25 mm High-Flow Openings:\u003c\/strong\u003e The three wider 25 mm (1\") slots provide greater open area for airflow than our 19 mm slot configuration while maintaining the distinctive linear diffuser profile.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003e\u003cstrong\u003eAdjustable Two-Way Airflow:\u003c\/strong\u003e Internal 180° adjustable blades allow air to be directed in either direction to suit the room and installation.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003e\u003cstrong\u003eIntegrated Weather Stripping:\u003c\/strong\u003e A factory-applied foam gasket helps reduce air leakage around the perimeter and helps prevent dust-related smudging around walls and ceilings.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003e\u003cstrong\u003eArchitectural-Grade Aluminum:\u003c\/strong\u003e Manufactured from \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 Modern Air Vent Covers\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003e6063-T5 extruded aluminum\u003c\/a\u003e\u003c\/span\u003e with reinforced construction to resist bending and cracking during installation and everyday use.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003e\u003cstrong\u003eDurable Matte Black Finish:\u003c\/strong\u003e The powder-coated surface provides a smooth, durable finish with resistance to corrosion and everyday wear.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003e\u003cstrong\u003eClean, Concealed Installation:\u003c\/strong\u003e Designed to allow fastening through the inner surfaces of the diffuser, keeping screws off the visible face for a clean, finished appearance. Mounting locations are determined by the installer based on site conditions. \u003cem\u003eMounting holes are not predrilled, and fasteners are not included, as the appropriate fastener type depends on the installation surface.\u003c\/em\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eShipping:\u003c\/strong\u003e Ships across Canada from Vancouver, BC. \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/pages\/international-sales\" title=\"International Sales | Flo-Matrix HVAC - Canada\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eInternational sales\u003c\/a\u003e\u003c\/span\u003e are available for businesses and industry professionals. Local pickup is available at our Burnaby showroom.\u003c\/p\u003e\n\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 src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-black-modern-minimalist-standard-vent-cover-retrofit-wall-ceiling-register-cover.jpg?v=1789683680\" alt=\"Flo-Matrix HVAC black modern minimalist standard vent cover designed for retrofit applications, featuring a sleek low-profile design that upgrades existing wall and ceiling air registers with a clean contemporary appearance.\"\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\u003e82\u003cbr\u003e101\u003cbr\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e0.04\u003cbr\u003e0.08\u003cbr\u003e0.16\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\u003cbr\u003e\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\n\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\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\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\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\/CASA_Linear_Slot_Diffusers_-_3_Slots_Submittal_Sheet.pdf?v=1746659301\" title=\"CASA Linear Slot Diffusers - 3 Slots Submittal Sheet High Resolution Download\" 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=\"Linear Slot Diffuser - CASA 3-slot installation submittal\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-high-flow-3-slot-CASA-installation-submittal-flomatrix-hvac.jpg?v=1745276872\"\u003e\u003c\/p\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\/linear-slot-diffuser-8x6-inch-3-slot-25mm-black-overall-dimensions-flomatrix-hvac.png?v=1789685345\" title=\"Full size diagram: Overall dimensions of a 8x6-inch 3-slot linear slot diffuser with 25mm opening in matte black.\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-8x6-inch-3-slot-25mm-black-overall-dimensions-flomatrix-hvac.png?v=1789685345\" alt=\"Overall dimensions of a 8x6-inch 3-slot linear slot diffuser with 25mm opening in matte black.\"\u003e\u003c\/a\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\u003eWhy a Commercial Grade Vent Cover is a Smart Upgrade for Your Home\u003c\/h4\u003e\n\u003cp\u003eThinking about commercial grade vent covers for your house might seem like overkill, but it's actually one of the smartest home improvement upgrades you can make for your HVAC system. While standard AC vent covers are designed to be basic, commercial-grade options are built for superior performance and long-term value, directly benefiting your home comfort.\u003c\/p\u003e\n\u003cp\u003eThe most immediate advantage is their exceptional durability. Crafted from robust materials like architectural-grade aluminum, these linear slot diffusers are engineered to withstand daily life without bending, cracking, or showing wear. This makes them a lasting investment that outperforms standard models year after year.\u003c\/p\u003e\n\u003cp\u003eYou'll also notice a much quieter home environment. Thanks to their precision engineering, these vent covers allow your HVAC system to operate efficiently with significantly reduced noise. They minimize that disruptive whistling and rushing air sound, promoting peaceful and effective airflow in every room.\u003c\/p\u003e\n\u003cp\u003eChoosing a commercial-grade product isn't excessive—it's a practical choice for homeowners who want lasting quality, enhanced indoor air quality, and a more comfortable living space. It’s about investing in better performance and value for your home.\u003c\/p\u003e\n\u003cp\u003eWe've specialized in manufacturing these high-performance solutions since 1997. If you're looking to upgrade your HVAC components, \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" title=\"Contact Us Form - Flo-Matrix HVAC\" rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eour team is here to help you\u003c\/a\u003e\u003c\/span\u003e find the perfect fit.\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\u003cb\u003e\u003cu\u003eShowcase Video of Product - CASA Series Modern AC Vent Covers\u003c\/u\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/wcXlDlqBZeY?si=4-Z83FrdWgw0k3aS\" height=\"315\" width=\"560\" style=\"font-size: 0.875rem;\"\u003e\u003c\/iframe\u003e\u003cbr\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 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":43385422348451,"sku":"FWASD25-3\/169W\/231L\/005","price":40.07,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/modern-air-vent-cover-8x6-black-casa-linear-slot-diffuser-front-flomatrix-hvac.png?v=1790707606"},{"product_id":"10x6-linear-slot-diffuser-matte-black-casa-series-hvac-modern-air-vent-cover-wasd25-3","title":"10x6\" Linear Slot Diffuser - CASA Series Modern Vent Cover - 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\n\u003cp\u003eThis 10x6 inch linear slot diffuser in matte black offers the ultimate upgrade for your home's airflow—seamlessly replacing standard vent covers with a sleek, modern look. Unlike flimsy alternatives, our heavy-duty extruded aluminum construction resists cracking during installation, eliminating frustrating breaks. The rich powder-coated finish adds durability while integrated weather stripping prevents ceiling smudges (a game-changer for hard-to-reach ceiling installations!).\u003c\/p\u003e\n\u003cp\u003eThese precision-engineered diffusers feature 25mm slots with 180° adjustable blades, offering two-way airflow control for customized comfort. Perfect for both residential and professional VAV systems, they combine architectural-grade performance with hassle-free installation—designed as direct replacements for old vent covers.\u003cstrong\u003e For flawless results and optimal airflow, professional installation is recommended.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cbr\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eA Perfect Fit for Your Home:\u003c\/strong\u003e With its standard 10x6\" size, our CASA Series is the ideal, hassle-free retrofit upgrade to replace old, bulky vent covers with a sleek, modern linear slot diffuser. \u003cem\u003ePlease see the diagram for precise measurements\u003c\/em\u003e\u003cem\u003e.\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClean \u0026amp; Modern Residential Design:\u003c\/strong\u003e This vent cover features a crisp, minimalist profile with a defined 1-inch slot opening, designed to seamlessly complement any room's aesthetic without demanding costly renovation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuperior, Quiet Airflow:\u003c\/strong\u003e The engineered 1-inch slot allows a higher volume of air to pass through more efficiently than traditional 19mm AC vent covers, improving your HVAC system's performance without added noise.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtects Your Ceiling from Stains:\u003c\/strong\u003e An integrated foam gasket ensures a tight seal against the ceiling, preventing dusty air leakage that causes ugly black smudges and marks around old registers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSurprisingly Durable Construction:\u003c\/strong\u003e Don’t let its sleek look fool you. Built from \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\"\u003earchitectural-grade aluminum\u003c\/a\u003e\u003c\/span\u003e with reinforced welds, this vent cover is built to resist bending, cracking, and daily wear.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eScratch-Resistant Matte Black Finish:\u003c\/strong\u003e Finished in a sophisticated matte black powder coat that is exceptionally resistant to chipping, corrosion, and fading, keeping it looking new for years.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeamless, No-Screw Look:\u003c\/strong\u003e Achieve a flawless, custom-looking installation. All mounting is handled discreetly on the inner edges, leaving the visible face completely clean and unbroken. (Fasteners not included).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTailor Your Comfort:\u003c\/strong\u003e For ultimate airflow control, easily pair this linear slot diffuser with a \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" 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\"\u003ecustom plenum box\u003c\/a\u003e\u003c\/span\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\" target=\"_blank\"\u003e\u003c\/a\u003e (sold separately) to perfectly match your system's output for any room.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/modern-vent-cover-linear-slot-diffuser-high-flow-10x6-inch-3-slot-black-fulldimensions-flomatrix-hvac_480x480.jpg?v=1764463884\" alt=\"Full dimensions of a black 10x6 inch 3-slot modern AC vent cover linear diffuser with 25mm openings for high airflow in commercial HVAC systems\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: start;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: start;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: start;\"\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003eAvailability \u0026amp; Custom Sizing\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eAs we make room for new product lines, select sizes and products are no longer stocked as part of our standard inventory. This specific product remains available through custom order, built to your exact specifications for a precise fit in the field.\u003c\/p\u003e\n\u003ch4\u003eTo request a custom size, please complete our \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Request a Custom Size Quote\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/linear-slot-diffuser-quote-request\" target=\"_blank\"\u003eRequest a Quote form\u003c\/a\u003e\u003c\/span\u003e.\u003c\/h4\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp\u003e \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\/flo-matrix-hvac-black-modern-minimalist-standard-vent-cover-retrofit-wall-ceiling-register-cover.jpg?v=1781810248\" alt=\"Flo-Matrix HVAC black modern minimalist standard vent cover designed for retrofit applications, featuring a sleek low-profile design that upgrades existing wall and ceiling air registers with a clean contemporary appearance.\" 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\u003e71\u003cbr\u003e101\u003cbr\u003e125\u003cbr\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e0.04\u003cbr\u003e0.08\u003cbr\u003e0.16\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\u003cbr\u003e\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\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cdiv style=\"text-align: center;\"\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\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\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=\"CASA Linear Slot Diffusers - 3 Slots Submittal Sheet High Resolution Download\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/CASA_Linear_Slot_Diffusers_-_3_Slots_Submittal_Sheet.pdf?v=1746659301\" 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 src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-high-flow-3-slot-CASA-installation-submittal-flomatrix-hvac.jpg?v=1745350663\" alt=\"Linear Slot Diffuser - CASA 3-slot installation 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 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\u003eWhy a Commercial Grade Vent Cover is a Smart Upgrade for Your Home\u003c\/h4\u003e\n\u003cp\u003eThinking about commercial grade vent covers for your house might seem like overkill, but it's actually one of the smartest home improvement upgrades you can make for your HVAC system. While standard AC vent covers are designed to be basic, commercial-grade options are built for superior performance and long-term value, directly benefiting your home comfort.\u003c\/p\u003e\n\u003cp\u003eThe most immediate advantage is their exceptional durability. Crafted from robust materials like architectural-grade aluminum, these linear slot diffusers are engineered to withstand daily life without bending, cracking, or showing wear. This makes them a lasting investment that outperforms standard models year after year.\u003c\/p\u003e\n\u003cp\u003eYou'll also notice a much quieter home environment. Thanks to their precision engineering, these vent covers allow your HVAC system to operate efficiently with significantly reduced noise. They minimize that disruptive whistling and rushing air sound, promoting peaceful and effective airflow in every room.\u003c\/p\u003e\n\u003cp\u003eChoosing a commercial-grade product isn't excessive—it's a practical choice for homeowners who want lasting quality, enhanced indoor air quality, and a more comfortable living space. It’s about investing in better performance and value for your home.\u003c\/p\u003e\n\u003cp\u003eWe've specialized in manufacturing these high-performance solutions since 1997. If you're looking to upgrade your HVAC components, \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" title=\"Contact Us Form - Flo-Matrix HVAC\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" target=\"_blank\"\u003eour team is here to help you\u003c\/a\u003e\u003c\/span\u003e find the perfect fit.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eVideos\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cb\u003e\u003cu\u003eShowcase Video of Product - CASA Series Modern AC Vent Covers\u003c\/u\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe style=\"font-size: 0.875rem;\" width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/wcXlDlqBZeY?si=4-Z83FrdWgw0k3aS\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003cbr\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":43441409917091,"sku":"FWASD25-3\/169W\/282L\/005","price":0.0,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/modern-vent-cover-linear-slot-diffuser-high-flow-10x6-inch-3-slot-black-frontview-flomatrix-hvac.jpg?v=1764463899"},{"product_id":"12x6-linear-slot-diffuser-matte-black-casa-series-hvac-modern-air-vent-cover-wasd25-3","title":"12x6\" Modern Air Vent Cover – 3-Slot Linear Slot Diffuser – Matte Black – CASA Series","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\u003cp\u003eUpgrade a standard HVAC register with a modern air vent cover designed for a clean, architectural look. This \u003cstrong\u003e12x6 inch matte black CASA Series 3-slot linear diffuser\u003c\/strong\u003e combines durable aluminum construction, adjustable airflow and a low-profile design for residential wall and ceiling applications.\u003c\/p\u003e\n\u003cp\u003eDesigned as a retrofit solution for common vent openings, the CASA Series offers the appearance of an architectural linear diffuser without requiring the extensive modifications typically associated with built-in linear air distribution systems. Three precision-engineered 25 mm (1\") slots with 180° adjustable blades provide flexible two-way airflow control, while integrated weather stripping helps create a clean seal around the installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFor optimal fit, appearance and airflow, professional installation is recommended.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesigned for Standard Vent Openings: \u003c\/strong\u003eThe 12x6 CASA Series 3-slot linear diffuser provides a straightforward way to replace conventional HVAC registers with a modern air vent cover. \u003cem\u003ePlease refer to the dimensional diagram to confirm the required opening and overall face dimensions.\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003e\u003cstrong\u003eModern Architectural Design:\u003c\/strong\u003e A clean, minimalist face creates a refined appearance designed to complement contemporary residential interiors.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003e\u003cstrong\u003eThree 25 mm High-Flow Openings:\u003c\/strong\u003e The three wider 25 mm (1\") slots provide greater open area for airflow than our 19 mm slot configuration while maintaining the distinctive linear diffuser profile.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003e\u003cstrong\u003eAdjustable Two-Way Airflow:\u003c\/strong\u003e Internal 180° adjustable blades allow air to be directed in either direction to suit the room and installation.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003e\u003cstrong\u003eIntegrated Weather Stripping:\u003c\/strong\u003e A factory-applied foam gasket helps reduce air leakage around the perimeter and helps prevent dust-related smudging around walls and ceilings.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003e\u003cstrong\u003eArchitectural-Grade Aluminum:\u003c\/strong\u003e Manufactured from \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 Modern Air Vent Covers\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003e6063-T5 extruded aluminum\u003c\/a\u003e\u003c\/span\u003e with reinforced construction to resist bending and cracking during installation and everyday use.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003e\u003cstrong\u003eDurable Matte Black Finish:\u003c\/strong\u003e The powder-coated surface provides a smooth, durable finish with resistance to corrosion and everyday wear.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003e\u003cstrong\u003eClean, Concealed Installation:\u003c\/strong\u003e Designed to allow fastening through the inner surfaces of the diffuser, keeping screws off the visible face for a clean, finished appearance. Mounting locations are determined by the installer based on site conditions. \u003cem\u003eMounting holes are not predrilled, and fasteners are not included, as the appropriate fastener type depends on the installation surface.\u003c\/em\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eShipping:\u003c\/strong\u003e Ships across Canada from Vancouver, BC. \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/pages\/international-sales\" title=\"International Sales | Flo-Matrix HVAC - Canada\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eInternational sales\u003c\/a\u003e\u003c\/span\u003e are available for businesses and industry professionals. Local pickup is available at our Burnaby showroom.\u003c\/p\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;\"\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\/flo-matrix-hvac-black-modern-minimalist-standard-vent-cover-retrofit-wall-ceiling-register-cover.jpg?v=1789683680\" alt=\"Flo-Matrix HVAC black modern minimalist standard vent cover designed for retrofit applications, featuring a sleek low-profile design that upgrades existing wall and ceiling air registers with a clean contemporary appearance.\"\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\u003e83\u003cbr\u003e118\u003cbr\u003e146\u003cbr\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e0.04\u003cbr\u003e0.08\u003cbr\u003e0.16\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\u003cbr\u003e\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\n\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\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\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\/CASA_Linear_Slot_Diffusers_-_3_Slots_Submittal_Sheet.pdf?v=1746659301\" title=\"CASA Linear Slot Diffusers - 3 Slots Submittal Sheet High Resolution Download\" 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\u003cdiv style=\"text-align: start;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp\u003e\u003cimg alt=\"Linear Slot Diffuser - CASA 3-slot installation submittal\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-high-flow-3-slot-CASA-installation-submittal-flomatrix-hvac.jpg?v=1745352830\"\u003e\u003c\/p\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\/linear-slot-diffuser-12x6-inch-3-slot-25mm-black-overall-dimensions-flomatrix-hvac.png?v=1789690194\" title=\"Full size diagram: Overall dimensions of a 12x6-inch 3-slot linear slot diffuser with 25mm opening in matte black.\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-12x6-inch-3-slot-25mm-black-overall-dimensions-flomatrix-hvac.png?v=1789690194\" alt=\"Overall dimensions of a 12x6-inch 3-slot linear slot diffuser with 25mm opening in matte black.\"\u003e\u003c\/a\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\u003eWhy a Commercial Grade Vent Cover is a Smart Upgrade for Your Home\u003c\/h4\u003e\n\u003cp\u003eThinking about commercial grade vent covers for your house might seem like overkill, but it's actually one of the smartest home improvement upgrades you can make for your HVAC system. While standard AC vent covers are designed to be basic, commercial-grade options are built for superior performance and long-term value, directly benefiting your home comfort.\u003c\/p\u003e\n\u003cp\u003eThe most immediate advantage is their exceptional durability. Crafted from robust materials like architectural-grade aluminum, these linear slot diffusers are engineered to withstand daily life without bending, cracking, or showing wear. This makes them a lasting investment that outperforms standard models year after year.\u003c\/p\u003e\n\u003cp\u003eYou'll also notice a much quieter home environment. Thanks to their precision engineering, these vent covers allow your HVAC system to operate efficiently with significantly reduced noise. They minimize that disruptive whistling and rushing air sound, promoting peaceful and effective airflow in every room.\u003c\/p\u003e\n\u003cp\u003eChoosing a commercial-grade product isn't excessive—it's a practical choice for homeowners who want lasting quality, enhanced indoor air quality, and a more comfortable living space. It’s about investing in better performance and value for your home.\u003c\/p\u003e\n\u003cp\u003eWe've specialized in manufacturing these high-performance solutions since 1997. If you're looking to upgrade your HVAC components, \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" title=\"Contact Us Form - Flo-Matrix HVAC\" rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eour team is here to help you\u003c\/a\u003e\u003c\/span\u003e find the perfect fit.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eVideos\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cb\u003e\u003cu\u003eShowcase Video of Product - CASA Series Modern AC Vent Covers\u003c\/u\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/wcXlDlqBZeY?si=4-Z83FrdWgw0k3aS\" height=\"315\" width=\"560\" style=\"font-size: 0.875rem;\"\u003e\u003c\/iframe\u003e\u003cbr\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 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":43447723098275,"sku":"FWASD25-3\/169W\/333L\/005","price":53.31,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/modern-air-vent-cover-12x6-black-casa-linear-slot-diffuser-front-flomatrix-hvac.png?v=1790709281"},{"product_id":"24-linear-slot-diffuser-hvac-air-vent-cover-3-slots-with-25mm-slot-openings-matte-black-finish-wasd25-3","title":"24\" Linear Slot Diffuser Vent Cover (3 Slots with 25mm Openings) - Matte Black Finish - 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 in matte black delivers superior airflow performance, featuring three 25mm slots that provide up to 14% greater airflow than our standard 19mm models while reducing static pressure by a maximum of 44%. Built with architectural-grade extruded aluminum, this durable diffuser includes 180° adjustable blades for precise air direction—ideal for VAV systems and optimized HVAC operation. See our smoke test video and technical data (airflow, pressure, noise) for detailed performance specs. \u003cstrong\u003eProfessional installation recommended. \u003cbr\u003e\u003cbr\u003e\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\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eClean, Modern Design:\u003c\/strong\u003e With a 24\" x 5¼\" size, this linear slot diffuser features three precise 1-inch openings for a minimalist aesthetic that blends seamlessly into both residential and commercial spaces. (\u003cem\u003ePlease see the diagram for exact measurements\u003c\/em\u003e).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnhanced Airflow Performance:\u003c\/strong\u003e The engineered 1-inch slot design moves air more effectively than standard 19mm vent covers, allowing your HVAC system to operate with greater efficiency and noticeably less noise.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrevents Ceiling Stains:\u003c\/strong\u003e An integrated sealing gasket stops air leakage around the edges, protecting your ceiling from dust accumulation and those dark smudges that form around inferior registers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProfessional-Grade Construction:\u003c\/strong\u003e Crafted from commercial-quality \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 aluminum\u003c\/a\u003e\u003c\/span\u003e with reinforced welds, this linear slot diffuser maintains its integrity under constant use, resisting dents and damage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLong-Lasting Matte Black Finish:\u003c\/strong\u003e The tough powder coat surface provides reliable protection against scratches, scuffs, and corrosion while maintaining its sophisticated appearance over time.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHidden Fastener Design:\u003c\/strong\u003e Create a clean, streamlined look with installation hardware that's completely concealed along the inner edges—leaving no visible screws on the finished surface. (Mounting hardware not included).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTailored HVAC Performance:\u003c\/strong\u003e For optimized comfort, this linear slot diffuser can be paired with a \u003ca 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\"\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003ecustom plenum box\u003c\/span\u003e\u003c\/a\u003e (sold separately) to perfectly balance airflow for your specific system requirements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShipping across Canada from Vancouver, BC.\u003c\/strong\u003e \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/pages\/international-sales\" title=\"International Sales | Flo-Matrix HVAC - Canada\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eInternational sales\u003c\/a\u003e\u003c\/span\u003e for businesses and industry professionals. Local pickup available at our Burnaby showroom.\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\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\/triple-linear-slot-diffuser-black-high-flow-installed-commercial-hvac.jpg?v=1789692557\" alt=\"Triple linear slot diffuser in black high-flow finish installed in residential HVAC ceiling system for enhanced air distribution, modern architectural design, and efficient ventilation performance\"\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\u003e170\u003cbr\u003e250\u003cbr\u003e325\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e0.04\u003cbr\u003e0.09\u003cbr\u003e0.15\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 rel=\"noopener\" title=\"Flo-Matrix HVAC FWASD19-3 vs FWASD25-3 Linear Slot Diffuser Comparison – Airflow, Pressure Loss, Noise \u0026amp; Commercial HVAC Applications\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/commercial-3-slot-linear-air-diffuser-performance-comparison.jpg?v=1781126751\" target=\"_blank\"\u003e\u003cimg alt=\"FWASD19-3 vs FWASD25-3 linear slot diffuser comparison chart showing 19mm and 25mm slot openings, higher airflow performance, lower pressure loss, quieter operation, and commercial HVAC applications for offices, hotels, healthcare facilities, retail spaces, and custom homes.\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/commercial-3-slot-linear-air-diffuser-performance-comparison.jpg?v=1781126751\"\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/commercial-3-slot-linear-air-diffuser-performance-comparison.jpg?v=1781126751\" title=\"High Resolution of Comparison Table for Flo-Matrix HVAC Models FWASD19-3 VS. FWASD25-3\" rel=\"noopener\" target=\"_blank\"\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\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\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003cdiv\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=1781739881\" title=\"High Resolution of Comparison Table for Flo-Matrix HVAC Models FWASD19-3 VS. FWASD25-3\" rel=\"noopener\" target=\"_blank\"\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/commercial-3-slot-linear-air-diffuser-performance-comparison.jpg?v=1781126751\" title=\"High Resolution of Comparison Table for Flo-Matrix HVAC Models FWASD19-3 VS. FWASD25-3\" rel=\"noopener\" target=\"_blank\"\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/a\u003e\n\u003c\/div\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/commercial-3-slot-linear-air-diffuser-performance-comparison.jpg?v=1781126751\" title=\"High Resolution of Comparison Table for Flo-Matrix HVAC Models FWASD19-3 VS. FWASD25-3\" rel=\"noopener\" target=\"_blank\"\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\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\n\u003c\/div\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/commercial-3-slot-linear-air-diffuser-performance-comparison.jpg?v=1781126751\" title=\"High Resolution of Comparison Table for Flo-Matrix HVAC Models FWASD19-3 VS. FWASD25-3\" rel=\"noopener\" target=\"_blank\"\u003e\n\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\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003ca rel=\"noopener\" title=\"Flo-Matrix HVAC vs Generic Vent Cover Companies: Quality, Performance \u0026amp; Support\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison_2.png?v=1780964847\" 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: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser_high_flow_three-slot_submittal_high_resolution_download.pdf?v=1750450268\" title=\"Linear Slot Diffuser High Flow (three slots) 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\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"Linear Slot Diffuser high flow 3-slot submittal\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-high-flow-3-slot-submittal-flomatrix-hvac.jpg?v=1745606055\"\u003e\u003c\/p\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\/linear-slot-diffuser-24-inch-3-slot-25mm-black-overall-dimensions-flomatrix-hvac.png?v=1789754689\" title=\"Full size diagram: Overall dimensions of a 24-inch 3-slot linear slot diffuser with 25mm opening in matte black.\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-24-inch-3-slot-25mm-black-overall-dimensions-flomatrix-hvac.png?v=1789754689\" alt=\"Overall dimensions of a 24-inch 3-slot linear slot diffuser with 25mm opening in matte black.\"\u003e\u003c\/a\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\u003eBeyond the Label: What \"Commercial Grade\" Really Means for GRDs\u003c\/h4\u003e\n\u003cp\u003eFor a grille, register, or diffuser to be genuinely \"commercial grade,\" it must provide the technical depth required by building professionals. This includes data on the materials of construction and independently verified performance profiles detailing acoustic performance (Noise Criteria), air delivery, and pressure loss.\u003c\/p\u003e\n\u003cp\u003eOur dedication to quality is demonstrated through compliance with ADC1062:GRD-84 and ASHRAE 70-2006 testing standards. We also utilize \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/pages\/cfd-airflow-analysis-hvac-design\" title=\"CFD Airflow Analysis Services for Smarter HVAC Design\" rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003ecomputational fluid dynamics (CFD)\u003c\/a\u003e\u003c\/span\u003e modeling to refine our products, ensuring they achieve optimal energy efficiency and operational performance.\u003c\/p\u003e\n\u003cp\u003eA trusted manufacturer since 1997, we produce a full range of high-quality linear slot diffusers (from 1 to 12 slots) for the commercial sector. Get project-specific answers by \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\"\u003econtacting our product specialist team\u003c\/a\u003e\u003c\/span\u003e at +1-604-437-1527.\u003cbr\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 - 3 Slots Linear Diffuser\u003c\/strong\u003e\u003c\/span\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/gAmq_2uO0TA?si=gaZUg0E1HLUsXpKv\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/strong\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 - 3 Slots\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/OuW528iwVm4\" 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\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":43460839407779,"sku":"FWASD25-3\/169W\/638L\/005","price":86.51,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/modern-vent-cover-linear-slot-diffuser-high-flow-24-inch-3-slot-black-frontview-flomatrix-hvac.png?v=1788999204"},{"product_id":"32-linear-slot-diffuser-hvac-air-vent-cover-3-slots-with-25mm-slot-openings-matte-black-finish-wasd25-3","title":"32\" Linear Slot Diffuser Vent Cover (3 Slots with 25mm Openings) - 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 in matte black delivers superior airflow performance, featuring three 25mm slots that provide up to 14% greater airflow than our standard 19mm models while reducing static pressure by a maximum of 44%. Built with architectural-grade extruded aluminum, this durable diffuser includes 180° adjustable blades for precise air direction—ideal for VAV systems and optimized HVAC operation. See our smoke test video and technical data (airflow, pressure, noise) for detailed performance specs. \u003cstrong\u003eProfessional installation recommended.\u003cbr\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eClean, Modern Design:\u003c\/strong\u003e With a 32\" x 5¼\" size, this linear slot diffuser features three precise 1-inch openings for a minimalist aesthetic that blends seamlessly into both residential and commercial spaces. (\u003cem\u003ePlease see the diagram for exact measurements\u003c\/em\u003e).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnhanced Airflow Performance:\u003c\/strong\u003e The engineered 1-inch slot design moves air more effectively than standard 19mm vent covers, allowing your HVAC system to operate with greater efficiency and noticeably less noise.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrevents Ceiling Stains:\u003c\/strong\u003e An integrated sealing gasket stops air leakage around the edges, protecting your ceiling from dust accumulation and those dark smudges that form around inferior registers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProfessional-Grade Construction:\u003c\/strong\u003e Crafted from commercial-quality \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 aluminum\u003c\/a\u003e\u003c\/span\u003e with reinforced welds, this linear slot diffuser maintains its integrity under constant use, resisting dents and damage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLong-Lasting Matte Black Finish:\u003c\/strong\u003e The tough powder coat surface provides reliable protection against scratches, scuffs, and corrosion while maintaining its sophisticated appearance over time.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHidden Fastener Design:\u003c\/strong\u003e Create a clean, streamlined look with installation hardware that's completely concealed along the inner edges—leaving no visible screws on the finished surface. (Mounting hardware not included).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTailored HVAC Performance:\u003c\/strong\u003e For optimized comfort, this linear slot diffuser can be paired with a \u003ca href=\"https:\/\/www.linearairdiffusers.com\/pages\/custom-hvac-plenums\" title=\"Custom Plenum Box - Built to your specifications by Flo-Matrix HVAC\" rel=\"noopener\" target=\"_blank\"\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003ecustom plenum box\u003c\/span\u003e\u003c\/a\u003e (sold separately) to perfectly balance airflow for your specific system requirements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShipping across Canada from Vancouver, BC.\u003c\/strong\u003e \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/pages\/international-sales\" title=\"International Sales | Flo-Matrix HVAC - Canada\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eInternational sales\u003c\/a\u003e\u003c\/span\u003e for businesses and industry professionals. Local pickup available at our Burnaby showroom.\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\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\/triple-linear-slot-diffuser-black-high-flow-installed-commercial-hvac.jpg?v=1789692557\" alt=\"Triple linear slot diffuser in black high-flow finish installed in residential HVAC ceiling system for enhanced air distribution, modern architectural design, and efficient ventilation performance\"\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\u003e226\u003cbr\u003e333\u003cbr\u003e433\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e0.04\u003cbr\u003e0.09\u003cbr\u003e0.15\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\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 rel=\"noopener\" title=\"Flo-Matrix HVAC FWASD19-3 vs FWASD25-3 Linear Slot Diffuser Comparison – Airflow, Pressure Loss, Noise \u0026amp; Commercial HVAC Applications\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/commercial-3-slot-linear-air-diffuser-performance-comparison.jpg?v=1781126751\" target=\"_blank\"\u003e\u003cimg alt=\"FWASD19-3 vs FWASD25-3 linear slot diffuser comparison chart showing 19mm and 25mm slot openings, higher airflow performance, lower pressure loss, quieter operation, and commercial HVAC applications for offices, hotels, healthcare facilities, retail spaces, and custom homes.\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/commercial-3-slot-linear-air-diffuser-performance-comparison.jpg?v=1781126751\"\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/commercial-3-slot-linear-air-diffuser-performance-comparison.jpg?v=1781126751\" title=\"High Resolution of Comparison Table for Flo-Matrix HVAC Models FWASD19-3 VS. FWASD25-3\" rel=\"noopener\" target=\"_blank\"\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\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\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003cdiv\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=1781739881\" title=\"High Resolution of Comparison Table for Flo-Matrix HVAC Models FWASD19-3 VS. FWASD25-3\" rel=\"noopener\" target=\"_blank\"\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/commercial-3-slot-linear-air-diffuser-performance-comparison.jpg?v=1781126751\" title=\"High Resolution of Comparison Table for Flo-Matrix HVAC Models FWASD19-3 VS. FWASD25-3\" rel=\"noopener\" target=\"_blank\"\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/a\u003e\n\u003c\/div\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/commercial-3-slot-linear-air-diffuser-performance-comparison.jpg?v=1781126751\" title=\"High Resolution of Comparison Table for Flo-Matrix HVAC Models FWASD19-3 VS. FWASD25-3\" rel=\"noopener\" target=\"_blank\"\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\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\n\u003c\/div\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/commercial-3-slot-linear-air-diffuser-performance-comparison.jpg?v=1781126751\" title=\"High Resolution of Comparison Table for Flo-Matrix HVAC Models FWASD19-3 VS. FWASD25-3\" rel=\"noopener\" target=\"_blank\"\u003e\n\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\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003ca rel=\"noopener\" title=\"Flo-Matrix HVAC vs Generic Vent Cover Companies: Quality, Performance \u0026amp; Support\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison_2.png?v=1780964847\" 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\u003e\u003cstrong\u003eSubmittal\u003c\/strong\u003e\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 High Flow (three slots) Submittal Sheet High Resolution PDF Download\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser_high_flow_three-slot_submittal_high_resolution_download.pdf?v=1750450268\" target=\"_blank\"\u003eClick here to download a high resolution of this submittal sheet\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\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-3-slot-submittal-flomatrix-hvac.jpg?v=1745606055\" alt=\"\"\u003e\u003c\/p\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\/linear-slot-diffuser-32-inch-3-slot-25mm-black-overall-dimensions-flomatrix-hvac.png?v=1789756300\" title=\"Full size diagram: Overall dimensions of a 32-inch 3-slot linear slot diffuser with 25mm opening in matte black\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-32-inch-3-slot-25mm-black-overall-dimensions-flomatrix-hvac.png?v=1789756300\" alt=\"Overall dimensions of a 32-inch 3-slot linear slot diffuser with 25mm opening in matte black\"\u003e\u003c\/a\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 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\u003eBeyond the Label: What \"Commercial Grade\" Really Means for GRDs\u003c\/h4\u003e\n\u003cp\u003eFor a grille, register, or diffuser to be genuinely \"commercial grade,\" it must provide the technical depth required by building professionals. This includes data on the materials of construction and independently verified performance profiles detailing acoustic performance (Noise Criteria), air delivery, and pressure loss.\u003c\/p\u003e\n\u003cp\u003eOur dedication to quality is demonstrated through compliance with ADC1062:GRD-84 and ASHRAE 70-2006 testing standards. We also utilize \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" title=\"CFD Airflow Analysis Services for Smarter HVAC Design\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/cfd-airflow-analysis-hvac-design\" target=\"_blank\"\u003ecomputational fluid dynamics (CFD)\u003c\/a\u003e\u003c\/span\u003e modeling to refine our products, ensuring they achieve optimal energy efficiency and operational performance.\u003c\/p\u003e\n\u003cp\u003eA trusted manufacturer since 1997, we produce a full range of high-quality linear slot diffusers (from 1 to 12 slots) for the commercial sector. Get project-specific answers by \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\"\u003econtacting our product specialist team\u003c\/a\u003e\u003c\/span\u003e\u003ca rel=\"noopener\" title=\"Contact Us Form - Flo-Matrix HVAC\" 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 - 3 Slots Linear Diffuser\u003c\/strong\u003e\u003c\/span\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/gAmq_2uO0TA?si=gaZUg0E1HLUsXpKv\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/strong\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 - 3 Slots\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/OuW528iwVm4\" 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 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":43460891574435,"sku":"FWASD25-3\/169W\/841L\/005","price":123.06,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/modern-vent-cover-linear-slot-diffuser-high-flow-32-inch-3-slot-black-frontview-flomatrix-hvac.png?v=1788999611"},{"product_id":"36-linear-slot-diffuser-hvac-air-vent-cover-3-slots-with-25mm-slot-openings-matte-black-finish-wasd25-3","title":"36\" Linear Slot Diffuser Vent Cover (3 Slots with 25mm Openings) - 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 in matte black delivers superior airflow performance, featuring three 25mm slots that provide up to 14% greater airflow than our standard 19mm models while reducing static pressure by a maximum of 44%. Built with architectural-grade extruded aluminum, this durable diffuser includes 180° adjustable blades for precise air direction—ideal for VAV systems and optimized HVAC operation. See our smoke test video and technical data (airflow, pressure, noise) for detailed performance specs. \u003cstrong\u003eProfessional installation recommended.\u003cbr\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eClean, Modern Design:\u003c\/strong\u003e With a 36\" x 5¼\" size, this linear slot diffuser features three precise 1-inch openings for a minimalist aesthetic that blends seamlessly into both residential and commercial spaces. (\u003cem\u003ePlease see the diagram for exact measurements\u003c\/em\u003e).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnhanced Airflow Performance:\u003c\/strong\u003e The engineered 1-inch slot design moves air more effectively than standard 19mm vent covers, allowing your HVAC system to operate with greater efficiency and noticeably less noise.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrevents Ceiling Stains:\u003c\/strong\u003e An integrated sealing gasket stops air leakage around the edges, protecting your ceiling from dust accumulation and those dark smudges that form around inferior registers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProfessional-Grade Construction:\u003c\/strong\u003e Crafted from commercial-quality \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 aluminum\u003c\/a\u003e\u003c\/span\u003e with reinforced welds, this linear slot diffuser maintains its integrity under constant use, resisting dents and damage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLong-Lasting Matte Black Finish:\u003c\/strong\u003e The tough powder coat surface provides reliable protection against scratches, scuffs, and corrosion while maintaining its sophisticated appearance over time.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHidden Fastener Design:\u003c\/strong\u003e Create a clean, streamlined look with installation hardware that's completely concealed along the inner edges—leaving no visible screws on the finished surface. (Mounting hardware not included).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTailored HVAC Performance:\u003c\/strong\u003e For optimized comfort, this linear slot diffuser can be paired with a \u003ca 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\"\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003ecustom plenum box\u003c\/span\u003e\u003c\/a\u003e (sold separately) to perfectly balance airflow for your specific system requirements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShipping across Canada from Vancouver, BC.\u003c\/strong\u003e \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/pages\/international-sales\" title=\"International Sales | Flo-Matrix HVAC - Canada\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eInternational sales\u003c\/a\u003e\u003c\/span\u003e for businesses and industry professionals. Local pickup available at our Burnaby showroom.\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\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\/triple-linear-slot-diffuser-black-high-flow-installed-commercial-hvac.jpg?v=1789692557\" alt=\"Triple linear slot diffuser in black high-flow finish installed in residential HVAC ceiling system for enhanced air distribution, modern architectural design, and efficient ventilation performance\"\u003e\u003c\/div\u003e\n\u003cp\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\u003e255\u003cbr\u003e375\u003cbr\u003e487\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e0.04\u003cbr\u003e0.09\u003cbr\u003e0.15\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 rel=\"noopener\" title=\"Flo-Matrix HVAC FWASD19-3 vs FWASD25-3 Linear Slot Diffuser Comparison – Airflow, Pressure Loss, Noise \u0026amp; Commercial HVAC Applications\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/commercial-3-slot-linear-air-diffuser-performance-comparison.jpg?v=1781126751\" target=\"_blank\"\u003e\u003cimg alt=\"FWASD19-3 vs FWASD25-3 linear slot diffuser comparison chart showing 19mm and 25mm slot openings, higher airflow performance, lower pressure loss, quieter operation, and commercial HVAC applications for offices, hotels, healthcare facilities, retail spaces, and custom homes.\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/commercial-3-slot-linear-air-diffuser-performance-comparison.jpg?v=1781126751\"\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/commercial-3-slot-linear-air-diffuser-performance-comparison.jpg?v=1781126751\" title=\"High Resolution of Comparison Table for Flo-Matrix HVAC Models FWASD19-3 VS. FWASD25-3\" rel=\"noopener\" target=\"_blank\"\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\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\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003cdiv\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=1781739881\" title=\"High Resolution of Comparison Table for Flo-Matrix HVAC Models FWASD19-3 VS. FWASD25-3\" rel=\"noopener\" target=\"_blank\"\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/commercial-3-slot-linear-air-diffuser-performance-comparison.jpg?v=1781126751\" title=\"High Resolution of Comparison Table for Flo-Matrix HVAC Models FWASD19-3 VS. FWASD25-3\" rel=\"noopener\" target=\"_blank\"\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/a\u003e\n\u003c\/div\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/commercial-3-slot-linear-air-diffuser-performance-comparison.jpg?v=1781126751\" title=\"High Resolution of Comparison Table for Flo-Matrix HVAC Models FWASD19-3 VS. FWASD25-3\" rel=\"noopener\" target=\"_blank\"\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\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\n\u003c\/div\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/commercial-3-slot-linear-air-diffuser-performance-comparison.jpg?v=1781126751\" title=\"High Resolution of Comparison Table for Flo-Matrix HVAC Models FWASD19-3 VS. FWASD25-3\" rel=\"noopener\" target=\"_blank\"\u003e\n\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\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003ca rel=\"noopener\" title=\"Flo-Matrix HVAC vs Generic Vent Cover Companies: Quality, Performance \u0026amp; Support\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison_2.png?v=1780964847\" 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\u003ca rel=\"noopener\" title=\"Linear Slot Diffuser High Flow (three slots) Submittal Sheet High Resolution PDF Download\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser_high_flow_three-slot_submittal_high_resolution_download.pdf?v=1750450268\" target=\"_blank\"\u003e\u003cspan style=\"color: rgb(43, 0, 255);\"\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/a\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser_high_flow_three-slot_submittal_high_resolution_download.pdf?v=1750450268\" title=\"Linear Slot Diffuser High Flow (three slots) 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\/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-high-flow-3-slot-submittal-flomatrix-hvac.jpg?v=1745606909\" alt=\"Linear Slot Diffuser high flow 3-slot submittal\"\u003e\u003c\/p\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\/linear-slot-diffuser-36-inch-3-slot-25mm-black-overall-dimensions-flomatrix-hvac.png?v=1789758671\" title=\"Full size diagram: Overall dimensions of a 36-inch 3-slot linear slot diffuser with 25mm opening in matte black.\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-36-inch-3-slot-25mm-black-overall-dimensions-flomatrix-hvac.png?v=1789758671\" alt=\"Overall dimensions of a 36-inch 3-slot linear slot diffuser with 25mm opening in matte black.\"\u003e\u003c\/a\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\u003eBeyond the Label: What \"Commercial Grade\" Really Means for GRDs\u003c\/h4\u003e\n\u003cp\u003eFor a grille, register, or diffuser to be genuinely \"commercial grade,\" it must provide the technical depth required by building professionals. This includes data on the materials of construction and independently verified performance profiles detailing acoustic performance (Noise Criteria), air delivery, and pressure loss.\u003c\/p\u003e\n\u003cp\u003eOur dedication to quality is demonstrated through compliance with ADC1062:GRD-84 and ASHRAE 70-2006 testing standards. We also utilize \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/pages\/cfd-airflow-analysis-hvac-design\" title=\"CFD Airflow Analysis Services for Smarter HVAC Design\" rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003ecomputational fluid dynamics (CFD)\u003c\/a\u003e\u003c\/span\u003e modeling to refine our products, ensuring they achieve optimal energy efficiency and operational performance.\u003c\/p\u003e\n\u003cp\u003eA trusted manufacturer since 1997, we produce a full range of high-quality linear slot diffusers (from 1 to 12 slots) for the commercial sector. Get project-specific answers by \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\"\u003econtacting our product specialist team\u003c\/a\u003e\u003c\/span\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" title=\"Contact Us Form - Flo-Matrix HVAC\" rel=\"noopener\" 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 - 3 Slots Linear Diffuser\u003c\/strong\u003e\u003c\/span\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/gAmq_2uO0TA?si=gaZUg0E1HLUsXpKv\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/strong\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 - 3 Slots\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/OuW528iwVm4\" 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\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":43460935778467,"sku":"FWASD25-3\/169W\/942L\/005","price":137.84,"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-3-slot-black-frontview-flomatrix-hvac.jpg?v=1789000332"},{"product_id":"48-linear-slot-diffuser-hvac-air-vent-cover-3-slots-with-25mm-slot-openings-matte-black-finish-wasd25-3","title":"48\" Linear Slot Diffuser Vent Cover (3 Slots with 25mm Openings) - 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\u003eThis 48-inch linear slot diffuser in matte black delivers superior airflow performance, featuring three 25mm slots that provide up to 14% greater airflow than our standard 19mm models while reducing static pressure by a maximum of 44%. Built with architectural-grade extruded aluminum, this durable diffuser includes 180° adjustable blades for precise air direction—ideal for VAV systems and optimized HVAC operation. See our smoke test video and technical data (airflow, pressure, noise) for detailed performance specs. \u003cstrong\u003eProfessional installation recommended.\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e \u003cbr\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eClean, Modern Design:\u003c\/strong\u003e With a 48\" x 5¼\" size, this linear slot diffuser features three precise 1-inch openings for a minimalist aesthetic that blends seamlessly into both residential and commercial spaces. (\u003cem\u003ePlease see the diagram for exact measurements\u003c\/em\u003e).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnhanced Airflow Performance:\u003c\/strong\u003e The engineered 1-inch slot design moves air more effectively than standard 19mm vent covers, allowing your HVAC system to operate with greater efficiency and noticeably less noise.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrevents Ceiling Stains:\u003c\/strong\u003e An integrated sealing gasket stops air leakage around the edges, protecting your ceiling from dust accumulation and those dark smudges that form around inferior registers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProfessional-Grade Construction:\u003c\/strong\u003e Crafted from commercial-quality \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 aluminum\u003c\/a\u003e\u003c\/span\u003e with reinforced welds, this linear slot diffuser maintains its integrity under constant use, resisting dents and damage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLong-Lasting Matte Black Finish:\u003c\/strong\u003e The tough powder coat surface provides reliable protection against scratches, scuffs, and corrosion while maintaining its sophisticated appearance over time.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHidden Fastener Design:\u003c\/strong\u003e Create a clean, streamlined look with installation hardware that's completely concealed along the inner edges—leaving no visible screws on the finished surface. (Mounting hardware not included).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTailored HVAC Performance:\u003c\/strong\u003e For optimized comfort, this linear slot diffuser can be paired with a \u003ca href=\"https:\/\/www.linearairdiffusers.com\/pages\/custom-hvac-plenums\" title=\"Custom Plenum Box - Built to your specifications by Flo-Matrix HVAC\" rel=\"noopener\" target=\"_blank\"\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003ecustom plenum box\u003c\/span\u003e\u003c\/a\u003e (sold separately) to perfectly balance airflow for your specific system requirements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShipping across Canada from Vancouver, BC.\u003c\/strong\u003e \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/pages\/international-sales\" title=\"International Sales | Flo-Matrix HVAC - Canada\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eInternational sales\u003c\/a\u003e\u003c\/span\u003e for businesses and industry professionals. Local pickup available at our Burnaby showroom.\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\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\/triple-linear-slot-diffuser-black-high-flow-installed-commercial-hvac.jpg?v=1789692557\" alt=\"Triple linear slot diffuser in black high-flow finish installed in residential HVAC ceiling system for enhanced air distribution, modern architectural design, and efficient ventilation performance\"\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\u003e340\u003cbr\u003e500\u003cbr\u003e650\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e0.04\u003cbr\u003e0.09\u003cbr\u003e0.15\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\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 rel=\"noopener\" title=\"Flo-Matrix HVAC FWASD19-3 vs FWASD25-3 Linear Slot Diffuser Comparison – Airflow, Pressure Loss, Noise \u0026amp; Commercial HVAC Applications\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/commercial-3-slot-linear-air-diffuser-performance-comparison.jpg?v=1781126751\" target=\"_blank\"\u003e\u003cimg alt=\"FWASD19-3 vs FWASD25-3 linear slot diffuser comparison chart showing 19mm and 25mm slot openings, higher airflow performance, lower pressure loss, quieter operation, and commercial HVAC applications for offices, hotels, healthcare facilities, retail spaces, and custom homes.\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/commercial-3-slot-linear-air-diffuser-performance-comparison.jpg?v=1781126751\"\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/commercial-3-slot-linear-air-diffuser-performance-comparison.jpg?v=1781126751\" title=\"High Resolution of Comparison Table for Flo-Matrix HVAC Models FWASD19-3 VS. FWASD25-3\" rel=\"noopener\" target=\"_blank\"\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\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\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003cdiv\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=1781739881\" title=\"High Resolution of Comparison Table for Flo-Matrix HVAC Models FWASD19-3 VS. FWASD25-3\" rel=\"noopener\" target=\"_blank\"\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/commercial-3-slot-linear-air-diffuser-performance-comparison.jpg?v=1781126751\" title=\"High Resolution of Comparison Table for Flo-Matrix HVAC Models FWASD19-3 VS. FWASD25-3\" rel=\"noopener\" target=\"_blank\"\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/a\u003e\n\u003c\/div\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/commercial-3-slot-linear-air-diffuser-performance-comparison.jpg?v=1781126751\" title=\"High Resolution of Comparison Table for Flo-Matrix HVAC Models FWASD19-3 VS. FWASD25-3\" rel=\"noopener\" target=\"_blank\"\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\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\n\u003c\/div\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/commercial-3-slot-linear-air-diffuser-performance-comparison.jpg?v=1781126751\" title=\"High Resolution of Comparison Table for Flo-Matrix HVAC Models FWASD19-3 VS. FWASD25-3\" rel=\"noopener\" target=\"_blank\"\u003e\n\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\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003ca rel=\"noopener\" title=\"Flo-Matrix HVAC vs Generic Vent Cover Companies: Quality, Performance \u0026amp; Support\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison_2.png?v=1780964847\" 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: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Linear Slot Diffuser High Flow (three slots) Submittal Sheet High Resolution PDF Download\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser_high_flow_three-slot_submittal_high_resolution_download.pdf?v=1750450268\" target=\"_blank\"\u003eClick here to download a high resolution of this submittal sheet\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\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-3-slot-submittal-flomatrix-hvac.jpg?v=1745607474\" alt=\"Linear Slot Diffuser high flow 3-slot submittal\"\u003e\u003c\/p\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\/linear-slot-diffuser-48-inch-3-slot-25mm-black-overall-dimensions-flomatrix-hvac.png?v=1789760018\" title=\"Full size diagram: Overall dimensions of a 48-inch 3-slot linear slot diffuser with 25mm opening in matte black.\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-48-inch-3-slot-25mm-black-overall-dimensions-flomatrix-hvac.png?v=1789760018\" alt=\"Overall dimensions of a 48-inch 3-slot linear slot diffuser with 25mm opening in matte black.\"\u003e\u003c\/a\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\u003eBeyond the Label: What \"Commercial Grade\" Really Means for GRDs\u003c\/h4\u003e\n\u003cp\u003eFor a grille, register, or diffuser to be genuinely \"commercial grade,\" it must provide the technical depth required by building professionals. This includes data on the materials of construction and independently verified performance profiles detailing acoustic performance (Noise Criteria), air delivery, and pressure loss.\u003c\/p\u003e\n\u003cp\u003eOur dedication to quality is demonstrated through compliance with ADC1062:GRD-84 and ASHRAE 70-2006 testing standards. We also utilize \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" title=\"CFD Airflow Analysis Services for Smarter HVAC Design\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/cfd-airflow-analysis-hvac-design\" target=\"_blank\"\u003ecomputational fluid dynamics (CFD)\u003c\/a\u003e\u003c\/span\u003e modeling to refine our products, ensuring they achieve optimal energy efficiency and operational performance.\u003c\/p\u003e\n\u003cp\u003eA trusted manufacturer since 1997, we produce a full range of high-quality linear slot diffusers (from 1 to 12 slots) for the commercial sector. Get project-specific answers by \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\"\u003econtacting our product specialist team\u003c\/a\u003e\u003c\/span\u003e\u003ca rel=\"noopener\" title=\"Contact Us Form - Flo-Matrix HVAC\" 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 - 3 Slots Linear Diffuser\u003c\/strong\u003e\u003c\/span\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/gAmq_2uO0TA?si=gaZUg0E1HLUsXpKv\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/strong\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 - 3 Slots\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/OuW528iwVm4\" 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 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":43462806175907,"sku":"FWASD25-3\/169W\/1247L\/005","price":163.36,"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-3-slot-black-frontview-flomatrix-hvac.png?v=1789000903"},{"product_id":"20-inch-linear-slot-diffuser-hvac-highflow-vent-cover-3-slots-black","title":"20\" Linear Slot Diffuser Vent Cover (3 Slots with 25mm Openings) - 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 20-inch linear slot diffuser in matte black delivers superior airflow performance, featuring three 25mm slots that provide up to 14% greater airflow than our standard 19mm models while reducing static pressure by a maximum of 44%. Built with architectural-grade extruded aluminum, this durable diffuser includes 180° adjustable blades for precise air direction—ideal for VAV systems and optimized HVAC operation. See our smoke test video and technical data (airflow, pressure, noise) for detailed performance specs. \u003cstrong\u003eProfessional installation recommended. \u003cbr\u003e\u003cbr\u003e\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\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eClean, Modern Design:\u003c\/strong\u003e With a 20\" x 5¼\" size, this linear slot diffuser features three precise 1-inch openings for a minimalist aesthetic that blends seamlessly into both residential and commercial spaces. (\u003cem\u003ePlease see the diagram for exact measurements\u003c\/em\u003e).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnhanced Airflow Performance:\u003c\/strong\u003e The engineered 1-inch slot design moves air more effectively than standard 19mm vent covers, allowing your HVAC system to operate with greater efficiency and noticeably less noise.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrevents Ceiling Stains:\u003c\/strong\u003e An integrated sealing gasket stops air leakage around the edges, protecting your ceiling from dust accumulation and those dark smudges that form around inferior registers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProfessional-Grade Construction:\u003c\/strong\u003e Crafted from commercial-quality \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 aluminum\u003c\/a\u003e\u003c\/span\u003e with reinforced welds, this linear slot diffuser maintains its integrity under constant use, resisting dents and damage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLong-Lasting Matte Black Finish:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe tough powder coat surface provides reliable protection against scratches, scuffs, and corrosion while maintaining its sophisticated appearance over time.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHidden Fastener Design:\u003c\/strong\u003e Create a clean, streamlined look with installation hardware that's completely concealed along the inner edges—leaving no visible screws on the finished surface. (Mounting hardware not included).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTailored HVAC Performance:\u003c\/strong\u003e For optimized comfort, this linear slot diffuser can be paired with a \u003ca href=\"https:\/\/www.linearairdiffusers.com\/pages\/custom-hvac-plenums\" title=\"Custom Plenum Box - Built to your specifications by Flo-Matrix HVAC\" rel=\"noopener\" target=\"_blank\"\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003ecustom plenum box\u003c\/span\u003e\u003c\/a\u003e (sold separately) to perfectly balance airflow for your specific system requirements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShipping across Canada from Vancouver, BC.\u003c\/strong\u003e \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/pages\/international-sales\" title=\"International Sales | Flo-Matrix HVAC - Canada\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eInternational sales\u003c\/a\u003e\u003c\/span\u003e for businesses and industry professionals. Local pickup available at our Burnaby showroom.\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\/triple-linear-slot-diffuser-black-high-flow-installed-commercial-hvac.jpg?v=1789692557\" alt=\"Triple linear slot diffuser in black high-flow finish installed in residential HVAC ceiling system for enhanced air distribution, modern architectural design, and efficient ventilation performance\"\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\u003e141\u003cbr\u003e208\u003cbr\u003e270\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 125.965px; text-align: center; height: 59.3578px;\"\u003e\n\u003cp\u003e0.04\u003cbr\u003e0.09\u003cbr\u003e0.11\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\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\/commercial-3-slot-linear-air-diffuser-performance-comparison.jpg?v=1781126751\" title=\"Flo-Matrix HVAC FWASD19-3 vs FWASD25-3 Linear Slot Diffuser Comparison – Airflow, Pressure Loss, Noise \u0026amp; Commercial HVAC Applications\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/commercial-3-slot-linear-air-diffuser-performance-comparison.jpg?v=1781126751\" alt=\"FWASD19-3 vs FWASD25-3 linear slot diffuser comparison chart showing 19mm and 25mm slot openings, higher airflow performance, lower pressure loss, quieter operation, and commercial HVAC applications for offices, hotels, healthcare facilities, retail spaces, and custom homes.\"\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/commercial-3-slot-linear-air-diffuser-performance-comparison.jpg?v=1781126751\" title=\"High Resolution of Comparison Table for Flo-Matrix HVAC Models FWASD19-3 VS. FWASD25-3\" rel=\"noopener\" target=\"_blank\"\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\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\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003cdiv\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=1781739881\" title=\"High Resolution of Comparison Table for Flo-Matrix HVAC Models FWASD19-3 VS. FWASD25-3\" rel=\"noopener\" target=\"_blank\"\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/commercial-3-slot-linear-air-diffuser-performance-comparison.jpg?v=1781126751\" title=\"High Resolution of Comparison Table for Flo-Matrix HVAC Models FWASD19-3 VS. FWASD25-3\" rel=\"noopener\" target=\"_blank\"\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/a\u003e\n\u003c\/div\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/commercial-3-slot-linear-air-diffuser-performance-comparison.jpg?v=1781126751\" title=\"High Resolution of Comparison Table for Flo-Matrix HVAC Models FWASD19-3 VS. FWASD25-3\" rel=\"noopener\" target=\"_blank\"\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\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\n\u003c\/div\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/commercial-3-slot-linear-air-diffuser-performance-comparison.jpg?v=1781126751\" title=\"High Resolution of Comparison Table for Flo-Matrix HVAC Models FWASD19-3 VS. FWASD25-3\" rel=\"noopener\" target=\"_blank\"\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\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\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison_2.png?v=1780964847\" title=\"Flo-Matrix HVAC vs Generic Vent Cover Companies: Quality, Performance \u0026amp; Support\" 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\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Linear Slot Diffuser High Flow (three slots) Submittal Sheet High Resolution PDF Download\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser_high_flow_three-slot_submittal_high_resolution_download.pdf?v=1750450268\" target=\"_blank\"\u003eClick here to download a high resolution of this submittal sheet\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\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-3-slot-submittal-flomatrix-hvac.jpg?v=1745963174\" alt=\"Linear Slot Diffuser high flow 3-slot submittal\"\u003e\u003c\/p\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\/linear-slot-diffuser-20-inch-3-slot-25mm-black-overall-dimensions-flomatrix-hvac.png?v=1789692331\" title=\"Full size diagram: Overall dimensions of a 20-inch 3-slot linear slot diffuser with 25mm opening in matte black.\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/linear-slot-diffuser-20-inch-3-slot-25mm-black-overall-dimensions-flomatrix-hvac.png?v=1789692331\" alt=\"Overall dimensions of a 20-inch 3-slot linear slot diffuser with 25mm opening in matte black.\"\u003e\u003c\/a\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\u003eBeyond the Label: What \"Commercial Grade\" Really Means for GRDs\u003c\/h4\u003e\n\u003cp\u003eFor a grille, register, or diffuser to be genuinely \"commercial grade,\" it must provide the technical depth required by building professionals. This includes data on the materials of construction and independently verified performance profiles detailing acoustic performance (Noise Criteria), air delivery, and pressure loss.\u003c\/p\u003e\n\u003cp\u003eOur dedication to quality is demonstrated through compliance with ADC1062:GRD-84 and ASHRAE 70-2006 testing standards. We also utilize \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" title=\"CFD Airflow Analysis Services for Smarter HVAC Design\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/cfd-airflow-analysis-hvac-design\" target=\"_blank\"\u003ecomputational fluid dynamics (CFD)\u003c\/a\u003e\u003c\/span\u003e modeling to refine our products, ensuring they achieve optimal energy efficiency and operational performance.\u003c\/p\u003e\n\u003cp\u003eA trusted manufacturer since 1997, we produce a full range of high-quality linear slot diffusers (from 1 to 12 slots) for the commercial sector. Get project-specific answers by \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\"\u003econtacting our product specialist team\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 - 3 Slots Linear Diffuser\u003c\/strong\u003e\u003c\/span\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/gAmq_2uO0TA?si=gaZUg0E1HLUsXpKv\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/strong\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 - 3 Slots\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/OuW528iwVm4\" 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 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":46476915310755,"sku":"FWASD25-3\/169W\/536L\/005","price":72.84,"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-3-slot-black-frontview-flomatrix-hvac.jpg?v=1788998895"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/collections\/triple-slot-linear-diffuser-aluminum-hvac-vent-cover-flo-matrix_jpg_087794bb-a302-4aaf-8b4f-d1138160c4f9.jpg?v=1787348146","url":"https:\/\/www.linearairdiffusers.com\/collections\/linear-slot-diffuser-3-slots-with-25mm-wide-slot-openings\/3-slots-with-25mm-slot-openings.oembed","provider":"Linear Air Diffusers by Flo-Matrix HVAC","version":"1.0","type":"link"}