{"title":"Single \u0026 Double Deflection Grilles \u0026 Registers","description":"\u003cp\u003eOur single and double deflection grilles and registers are designed to provide reliable airflow distribution and directional control for residential and commercial HVAC systems. Available in a range of sizes and configurations, these HVAC air grilles and registers can be used for supply air applications where controlling the direction and spread of conditioned air is important. Single deflection grilles feature one set of adjustable blades for directing airflow, while double deflection grilles combine two blade sets for greater control over both horizontal and vertical airflow direction. Not sure which configuration or blade orientation is right for your application? Read our guides on \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/horizontal-or-vertical-blades-a-simple-guide-to-single-deflection-grilles\" target=\"_blank\" title=\"Front Horizontal or Vertical? A Quick Guide to Double Deflection Air Grille Blades\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\"\u003ehorizontal or vertical blades for single deflection grilles\u003c\/a\u003e\u003c\/span\u003e and \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/horizontal-or-vertical-a-quick-guide-to-double-deflection-air-grille-blades\" target=\"_blank\" title=\"Front Horizontal or Vertical? A Quick Guide to Double Deflection Air Grille Blades\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\"\u003efront horizontal or vertical blades for double deflection air grilles\u003c\/a\u003e\u003c\/span\u003e for a detailed explanation of the differences and how to choose the right configuration for your project.\u003c\/p\u003e","products":[{"product_id":"10x4-air-grille-double-deflection-horizontal-front","title":"10x4\" Double Deflection Supply Grille \/ Register - Front Horizontal Blades Vent Cover - Flo-Matrix HVAC","description":"\u003ch5\u003eDetails\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eEngineered for precision airflow control, these 10x4 inch double deflection supply air grilles and registers feature independently adjustable blades to direct ventilation exactly where it’s needed. The horizontal front blades manage vertical airflow (up\/down), while vertical rear blades handle side-to-side distribution—giving HVAC installers and architects complete command over comfort conditions. These heavy-duty registers work equally well in sidewall, ceiling, or duct applications, making them ideal for commercial HVAC systems where customizable air patterns matter. With their high free area design, they maintain strong airflow while reducing whistling and pressure drops—critical for quiet, efficient operation. Unlike standard supply grilles, the dual-adjustment system prevents drafts by letting professionals fine-tune both the throw distance and spread pattern. Whether retrofitting existing spaces or designing new installations, these adaptable air registers solve common airflow challenges without sacrificing performance. \u003cstrong\u003eProfessional installation recommended.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision 10x4\" Duct Opening: \u003c\/strong\u003eEngineered for a perfect fit on standard 10x4” ductwork, this double deflection grille ensures optimal compatibility for a seamless HVAC integration. \u003cem\u003ePlease confirm exact measurements with our sizing chart\u003c\/em\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuperior Airflow Control:\u003c\/strong\u003e Features front horizontal blades for precise, multi-directional airflow management, allowing you to expertly direct comfort where it's needed most.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrevents Ceiling Stains:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eA built-in weather-stripping gasket stops air leaks, shielding your ceiling from dust buildup and ensuring optimal airflow direction.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClean, Architectural Aesthetic:\u003c\/strong\u003e Designed for a flawless look with no visible pre-drilled holes. Fastening is discreetly located on the inner border sides to maintain the grille's sleek, modern profile.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommercial-Grade Aluminum Build:\u003c\/strong\u003e Constructed from \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" title=\"Why 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/why-6063-t5-aluminum-is-great-for-linear-slot-diffuser-vent-covers\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003esolid extruded 6063-T5 aluminum\u003c\/a\u003e\u003c\/span\u003e, this heavy-duty air register is built for exceptional durability and reliable, long-term performance in demanding environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Matte White Finish:\u003c\/strong\u003e Coated with a strong matte white powder coat that provides superior resistance to fading, corrosion, and everyday wear, ensuring the finish lasts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlexible Installation Options:\u003c\/strong\u003e This grille is supplied without fasteners to provide installers with the flexibility to choose the best mounting hardware for their specific substrate and project requirements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTailor your Airflow Performance: \u003c\/strong\u003eUnlock the full potential of your HVAC system by pairing this air register with a matching \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Custom Plenum Box - Built to your specifications by Flo-Matrix HVAC\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/custom-hvac-plenums\" target=\"_blank\"\u003ecustom plenum box\u003c\/a\u003e\u003c\/span\u003e (sold separately) to achieve perfectly balanced and optimized airflow for your specific space.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShips worldwide from our Vancouver, Canada facility. Local pickup is also available at our showroom.\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eLooking for 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 Custom Double Deflection Grilles\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eRequest a quote for custom double deflection grilles 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\/flo-matrix-hvac-double-deflection-air-grille-horizontal-front-blades-installed.jpg?v=1781646372\" alt=\"Flo-Matrix HVAC double deflection air grille installed in a commercial HVAC ventilation system for directional airflow control, balanced air distribution, and modern architectural aesthetics\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003ePerformance\u003c\/h5\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" alt=\"Flo-Matrix HVAC vent cover with built-in weather foam strip compared to standard vent covers without foam gasket, showing improved air seal, reduced dust streaks, cleaner ceilings, better airflow efficiency, and lower maintenance requirements for residential and commercial HVAC applications.\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781729213\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\" title=\"High Resolution of Professional HVAC Diffusers vs Mass Produced Diffusers | Quality Comparison Guide\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg style=\"margin-bottom: 16px; float: none;\" alt=\"Flo-Matrix HVAC professional-grade linear slot diffusers and air grilles compared to mass-produced generic store diffusers, highlighting T5 aluminum construction, superior airflow performance, expert technical support, custom manufacturing options, commercial project experience, showroom availability, and long-term HVAC performance benefits.\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\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\/Double_Deflection_Air_Grille_Submittal.PDF?v=1750109108\" title=\"Double Deflection Air Grille (Front Horizontal Blades) Submittal Sheet High Resolution 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 src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Double_Deflection_Air_Grille_Submittal.jpg?v=1750109108\" alt=\"Double Deflection air grilles Submittal Sheet\"\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\" title=\"Double Deflection vs. Single Deflection Air Grilles: Which One Is Right for You?\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/double-deflection-vs-single-deflection-air-grilles-which-one-is-right-for-you\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eDouble Deflection vs. Single Deflection Air Grilles: Which One Is Right for You?\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\" title=\"Front Horizontal or Vertical? A Quick Guide to Double Deflection Air Grille Blades\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/horizontal-or-vertical-a-quick-guide-to-double-deflection-air-grille-blades\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eFront Horizontal or Vertical? A Quick Guide to Double Deflection Air Grille Blades\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\" 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\"\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\/pages\/cfd-airflow-analysis-hvac-design\" title=\"CFD Airflow Analysis Services for Smarter HVAC Design\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eCFD Airflow Analysis Services for Smarter HVAC Design\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eDecoding \"Commercial-Grade\" for Your HVAC Specifications\u003c\/h4\u003e\n\u003cp\u003eFor architects and engineers, specifying true commercial-grade HVAC components involves more than just finding a durable product. It's about securing a partnership that provides deep technical support to guarantee your design functions perfectly. This requires complete clarity on material composition and, crucially, certified performance metrics. Essential data includes acoustic levels (NC ratings), system pressure drop, and accurate CFM airflow numbers.\u003c\/p\u003e\n\u003cp\u003eTrust is built on proof, not promises. That's why our air distribution products undergo rigorous independent testing to comply with strict industry standards such as ASHRAE 70-2006 and ADC1062:GRD-84. We go a step further by \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 by Flo-Matrix\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eintegrating advanced computer simulations\u003c\/a\u003e\u003c\/span\u003e in our design process. This allows us to refine the aerodynamics and energy performance of our modern linear bar grilles and diffusers long before manufacturing begins.\u003c\/p\u003e\n\u003cp\u003eFor high-performance air distribution solutions you can count on, Flo-Matrix HVAC has been a leading manufacturer for years. We focus on commercial-grade diffusers and linear grilles engineered for the most challenging environments. Have a project on the boards? \u003ca href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" title=\"Contact Us Form - Flo-Matrix HVAC\" rel=\"noopener\" target=\"_blank\"\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003eOur product experts are here to assist\u003c\/span\u003e\u003c\/a\u003e. Reach out to us at +1-604-437-1527 to talk about your specific requirements.\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\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=8ON0uNlEVQBXisuZ\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"Linear Air Diffusers","offers":[{"title":"Default Title","offer_id":41792084312227,"sku":"FWADH\/254x102\/PCWS02","price":25.39,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/10x4-air-grille-double-deflection-horizontal-front-metal.png?v=1776287216"},{"product_id":"12x4-air-grille-double-deflection-horizontal-front","title":"12x4\" Double Deflection Supply Grille \/ Register - Front Horizontal Blades Vent Cover - Flo-Matrix HVAC","description":"\u003ch5\u003eDetails\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eEngineered for precision airflow control, these 12x4 inch double deflection supply air grilles and registers feature independently adjustable blades to direct ventilation exactly where it’s needed. The horizontal front blades manage vertical airflow (up\/down), while vertical rear blades handle side-to-side distribution—giving HVAC installers and architects complete command over comfort conditions. These heavy-duty registers work equally well in sidewall, ceiling, or duct applications, making them ideal for commercial HVAC systems where customizable air patterns matter. With their high free area design, they maintain strong airflow while reducing whistling and pressure drops—critical for quiet, efficient operation. Unlike standard supply grilles, the dual-adjustment system prevents drafts by letting professionals fine-tune both the throw distance and spread pattern. Whether retrofitting existing spaces or designing new installations, these adaptable air registers solve common airflow challenges without sacrificing performance. \u003cstrong\u003eProfessional installation recommended.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision 12x4\" Duct Opening: \u003c\/strong\u003eEngineered for a perfect fit on standard 12x4” ductwork, this double deflection grille ensures optimal compatibility for a seamless HVAC integration. \u003cem\u003ePlease confirm exact measurements with our sizing chart\u003c\/em\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuperior Airflow Control:\u003c\/strong\u003e Features front horizontal blades for precise, multi-directional airflow management, allowing you to expertly direct comfort where it's needed most.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrevents Ceiling Stains:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eA built-in weather-stripping gasket stops air leaks, shielding your ceiling from dust buildup and ensuring optimal airflow direction.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClean, Architectural Aesthetic:\u003c\/strong\u003e Designed for a flawless look with no visible pre-drilled holes. Fastening is discreetly located on the inner border sides to maintain the grille's sleek, modern profile.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommercial-Grade Aluminum Build:\u003c\/strong\u003e Constructed from \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca style=\"color: rgb(37, 150, 190);\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/why-6063-t5-aluminum-is-great-for-linear-slot-diffuser-vent-covers\" title=\"Why 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\" rel=\"noopener\" target=\"_blank\"\u003esolid extruded 6063-T5 aluminum\u003c\/a\u003e\u003c\/span\u003e, this heavy-duty air register is built for exceptional durability and reliable, long-term performance in demanding environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Matte White Finish:\u003c\/strong\u003e Coated with a strong matte white powder coat that provides superior resistance to fading, corrosion, and everyday wear, ensuring the finish lasts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlexible Installation Options:\u003c\/strong\u003e This grille is supplied without fasteners to provide installers with the flexibility to choose the best mounting hardware for their specific substrate and project requirements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTailor your Airflow Performance: \u003c\/strong\u003eUnlock the full potential of your HVAC system by pairing this air register with a matching \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/pages\/custom-hvac-plenums\" title=\"Custom Plenum Box - Built to your specifications by Flo-Matrix HVAC\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003ecustom plenum box\u003c\/a\u003e\u003c\/span\u003e (sold separately) to achieve perfectly balanced and optimized airflow for your specific space.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShips worldwide from our Vancouver, Canada facility. Local pickup is also available at our showroom.\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eLooking for 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 Custom Double Deflection Grilles\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/linear-slot-diffuser-quote-request\" target=\"_blank\"\u003eRequest a quote for custom double deflection grilles 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\/flo-matrix-hvac-double-deflection-air-grille-horizontal-front-blades-installed.jpg?v=1781646372\" alt=\"Flo-Matrix HVAC double deflection air grille installed in a commercial HVAC ventilation system for directional airflow control, balanced air distribution, and modern architectural aesthetics\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003ePerformance\u003c\/h5\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" alt=\"Flo-Matrix HVAC vent cover with built-in weather foam strip compared to standard vent covers without foam gasket, showing improved air seal, reduced dust streaks, cleaner ceilings, better airflow efficiency, and lower maintenance requirements for residential and commercial HVAC applications.\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781729213\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\" title=\"High Resolution of Professional HVAC Diffusers vs Mass Produced Diffusers | Quality Comparison Guide\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg style=\"margin-bottom: 16px; float: none;\" alt=\"Flo-Matrix HVAC professional-grade linear slot diffusers and air grilles compared to mass-produced generic store diffusers, highlighting T5 aluminum construction, superior airflow performance, expert technical support, custom manufacturing options, commercial project experience, showroom availability, and long-term HVAC performance benefits.\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\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=\"Double Deflection Air Grille (Front Horizontal Blades) Submittal Sheet High Resolution Download\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Double_Deflection_Air_Grille_Submittal.PDF?v=1750109108\" 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=\"Double Deflection air grilles Submittal Sheet\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Double_Deflection_Air_Grille_Submittal.jpg?v=1750109108\"\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 style=\"color: rgb(37, 150, 190);\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/double-deflection-vs-single-deflection-air-grilles-which-one-is-right-for-you\" title=\"Double Deflection vs. Single Deflection Air Grilles: Which One Is Right for You?\" rel=\"noopener\" target=\"_blank\"\u003eDouble Deflection vs. Single Deflection Air Grilles: Which One Is Right for You?\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\/horizontal-or-vertical-a-quick-guide-to-double-deflection-air-grille-blades\" title=\"Front Horizontal or Vertical? A Quick Guide to Double Deflection Air Grille Blades\" rel=\"noopener\" target=\"_blank\"\u003eFront Horizontal or Vertical? A Quick Guide to Double Deflection Air Grille Blades\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\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" 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=\"CFD Airflow Analysis Services for Smarter HVAC Design\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/cfd-airflow-analysis-hvac-design\" target=\"_blank\"\u003eCFD Airflow Analysis Services for Smarter HVAC Design\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eDecoding \"Commercial-Grade\" for Your HVAC Specifications\u003c\/h4\u003e\n\u003cp\u003eFor architects and engineers, specifying true commercial-grade HVAC components involves more than just finding a durable product. It's about securing a partnership that provides deep technical support to guarantee your design functions perfectly. This requires complete clarity on material composition and, crucially, certified performance metrics. Essential data includes acoustic levels (NC ratings), system pressure drop, and accurate CFM airflow numbers.\u003c\/p\u003e\n\u003cp\u003eTrust is built on proof, not promises. That's why our air distribution products undergo rigorous independent testing to comply with strict industry standards such as ASHRAE 70-2006 and ADC1062:GRD-84. We go a step further by \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"CFD Airflow Analysis Services for Smarter HVAC Design by Flo-Matrix\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/cfd-airflow-analysis-hvac-design\" target=\"_blank\"\u003eintegrating advanced computer simulations\u003c\/a\u003e\u003c\/span\u003e in our design process. This allows us to refine the aerodynamics and energy performance of our modern linear bar grilles and diffusers long before manufacturing begins.\u003c\/p\u003e\n\u003cp\u003eFor high-performance air distribution solutions you can count on, Flo-Matrix HVAC has been a leading manufacturer for years. We focus on commercial-grade diffusers and linear grilles engineered for the most challenging environments. Have a project on the boards? \u003ca rel=\"noopener\" title=\"Contact Us Form - Flo-Matrix HVAC\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" target=\"_blank\"\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003eOur product experts are here to assist\u003c\/span\u003e\u003c\/a\u003e. Reach out to us at +1-604-437-1527 to talk about your specific requirements.\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\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=8ON0uNlEVQBXisuZ\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"Linear Air Diffusers","offers":[{"title":"Default Title","offer_id":41792128581795,"sku":"FWADH\/305x102\/PCWS02","price":26.39,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/12x4-air-grille-double-deflection-horizontal-front-metal.png?v=1776289680"},{"product_id":"14x4-air-grille-double-deflection-horizontal-front","title":"14x4\" Double Deflection Supply Grille \/ Register - Front Horizontal Blades Vent Cover - Flo-Matrix HVAC","description":"\u003ch5\u003eDetails\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eEngineered for precision airflow control, these 14x4 inch double deflection supply air grilles and registers feature independently adjustable blades to direct ventilation exactly where it’s needed. The horizontal front blades manage vertical airflow (up\/down), while vertical rear blades handle side-to-side distribution—giving HVAC installers and architects complete command over comfort conditions. These heavy-duty registers work equally well in sidewall, ceiling, or duct applications, making them ideal for commercial HVAC systems where customizable air patterns matter. With their high free area design, they maintain strong airflow while reducing whistling and pressure drops—critical for quiet, efficient operation. Unlike standard supply grilles, the dual-adjustment system prevents drafts by letting professionals fine-tune both the throw distance and spread pattern. Whether retrofitting existing spaces or designing new installations, these adaptable air registers solve common airflow challenges without sacrificing performance. \u003cstrong\u003eProfessional installation recommended.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision 14x4\" Duct Opening: \u003c\/strong\u003eEngineered for a perfect fit on standard 14x4” ductwork, this double deflection grille ensures optimal compatibility for a seamless HVAC integration. \u003cem\u003ePlease confirm exact measurements with our sizing chart\u003c\/em\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuperior Airflow Control:\u003c\/strong\u003e Features front horizontal blades for precise, multi-directional airflow management, allowing you to expertly direct comfort where it's needed most.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrevents Ceiling Stains:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eA built-in weather-stripping gasket stops air leaks, shielding your ceiling from dust buildup and ensuring optimal airflow direction.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClean, Architectural Aesthetic:\u003c\/strong\u003e Designed for a flawless look with no visible pre-drilled holes. Fastening is discreetly located on the inner border sides to maintain the grille's sleek, modern profile.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommercial-Grade Aluminum Build:\u003c\/strong\u003e Constructed from \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" title=\"Why 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/why-6063-t5-aluminum-is-great-for-linear-slot-diffuser-vent-covers\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003esolid extruded 6063-T5 aluminum\u003c\/a\u003e\u003c\/span\u003e, this heavy-duty air register is built for exceptional durability and reliable, long-term performance in demanding environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Matte White Finish:\u003c\/strong\u003e Coated with a strong matte white powder coat that provides superior resistance to fading, corrosion, and everyday wear, ensuring the finish lasts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlexible Installation Options:\u003c\/strong\u003e This grille is supplied without fasteners to provide installers with the flexibility to choose the best mounting hardware for their specific substrate and project requirements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTailor your Airflow Performance: \u003c\/strong\u003eUnlock the full potential of your HVAC system by pairing this air register with a matching \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Custom Plenum Box - Built to your specifications by Flo-Matrix HVAC\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/custom-hvac-plenums\" target=\"_blank\"\u003ecustom plenum box\u003c\/a\u003e\u003c\/span\u003e (sold separately) to achieve perfectly balanced and optimized airflow for your specific space.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShips worldwide from our Vancouver, Canada facility. Local pickup is also available at our showroom.\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eLooking for 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 Custom Double Deflection Grilles\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/linear-slot-diffuser-quote-request\" target=\"_blank\"\u003eRequest a quote for custom double deflection grilles 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\/flo-matrix-hvac-double-deflection-air-grille-horizontal-front-blades-installed.jpg?v=1781646372\" alt=\"Flo-Matrix HVAC double deflection air grille installed in a commercial HVAC ventilation system for directional airflow control, balanced air distribution, and modern architectural aesthetics\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003ePerformance\u003c\/h5\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" alt=\"Flo-Matrix HVAC vent cover with built-in weather foam strip compared to standard vent covers without foam gasket, showing improved air seal, reduced dust streaks, cleaner ceilings, better airflow efficiency, and lower maintenance requirements for residential and commercial HVAC applications.\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781729213\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\" title=\"High Resolution of Professional HVAC Diffusers vs Mass Produced Diffusers | Quality Comparison Guide\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg style=\"margin-bottom: 16px; float: none;\" alt=\"Flo-Matrix HVAC professional-grade linear slot diffusers and air grilles compared to mass-produced generic store diffusers, highlighting T5 aluminum construction, superior airflow performance, expert technical support, custom manufacturing options, commercial project experience, showroom availability, and long-term HVAC performance benefits.\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eSubmittal\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Double_Deflection_Air_Grille_Submittal.PDF?v=1750109108\" title=\"Double Deflection Air Grille (Front Horizontal Blades) Submittal Sheet High Resolution 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 src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Double_Deflection_Air_Grille_Submittal.jpg?v=1750109108\" alt=\"Double Deflection air grilles Submittal Sheet\"\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\" title=\"Double Deflection vs. Single Deflection Air Grilles: Which One Is Right for You?\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/double-deflection-vs-single-deflection-air-grilles-which-one-is-right-for-you\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eDouble Deflection vs. Single Deflection Air Grilles: Which One Is Right for You?\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\" title=\"Front Horizontal or Vertical? A Quick Guide to Double Deflection Air Grille Blades\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/horizontal-or-vertical-a-quick-guide-to-double-deflection-air-grille-blades\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eFront Horizontal or Vertical? A Quick Guide to Double Deflection Air Grille Blades\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\" 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\"\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\/pages\/cfd-airflow-analysis-hvac-design\" title=\"CFD Airflow Analysis Services for Smarter HVAC Design\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eCFD Airflow Analysis Services for Smarter HVAC Design\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eDecoding \"Commercial-Grade\" for Your HVAC Specifications\u003c\/h4\u003e\n\u003cp\u003eFor architects and engineers, specifying true commercial-grade HVAC components involves more than just finding a durable product. It's about securing a partnership that provides deep technical support to guarantee your design functions perfectly. This requires complete clarity on material composition and, crucially, certified performance metrics. Essential data includes acoustic levels (NC ratings), system pressure drop, and accurate CFM airflow numbers.\u003c\/p\u003e\n\u003cp\u003eTrust is built on proof, not promises. That's why our air distribution products undergo rigorous independent testing to comply with strict industry standards such as ASHRAE 70-2006 and ADC1062:GRD-84. We go a step further by \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 by Flo-Matrix\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eintegrating advanced computer simulations\u003c\/a\u003e\u003c\/span\u003e in our design process. This allows us to refine the aerodynamics and energy performance of our modern linear bar grilles and diffusers long before manufacturing begins.\u003c\/p\u003e\n\u003cp\u003eFor high-performance air distribution solutions you can count on, Flo-Matrix HVAC has been a leading manufacturer for years. We focus on commercial-grade diffusers and linear grilles engineered for the most challenging environments. Have a project on the boards? \u003ca href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" title=\"Contact Us Form - Flo-Matrix HVAC\" rel=\"noopener\" target=\"_blank\"\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003eOur product experts are here to assist\u003c\/span\u003e\u003c\/a\u003e. Reach out to us at +1-604-437-1527 to talk about your specific requirements.\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\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=8ON0uNlEVQBXisuZ\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"Linear Air Diffusers","offers":[{"title":"Default Title","offer_id":41792361595043,"sku":"FWADH\/356x102\/PCWS02","price":27.39,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/14x4-air-grille-double-deflection-horizontal-front-metal.png?v=1776292083"},{"product_id":"12x6-air-grille-double-deflection-horizontal-front","title":"12x6\" Double Deflection Supply Grille \/ Register - Front Horizontal Blades Vent Cover - Flo-Matrix HVAC","description":"\u003ch5\u003eDetails\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eEngineered for precision airflow control, these 12x6 inch double deflection supply air grilles and registers feature independently adjustable blades to direct ventilation exactly where it’s needed. The horizontal front blades manage vertical airflow (up\/down), while vertical rear blades handle side-to-side distribution—giving HVAC installers and architects complete command over comfort conditions. These heavy-duty registers work equally well in sidewall, ceiling, or duct applications, making them ideal for commercial HVAC systems where customizable air patterns matter. With their high free area design, they maintain strong airflow while reducing whistling and pressure drops—critical for quiet, efficient operation. Unlike standard supply grilles, the dual-adjustment system prevents drafts by letting professionals fine-tune both the throw distance and spread pattern. Whether retrofitting existing spaces or designing new installations, these adaptable air registers solve common airflow challenges without sacrificing performance. \u003cstrong\u003eProfessional installation recommended.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision 12x6\" Duct Opening: \u003c\/strong\u003eEngineered for a perfect fit on standard 12x6” ductwork, this double deflection grille ensures optimal compatibility for a seamless HVAC integration. \u003cem\u003ePlease confirm exact measurements with our sizing chart\u003c\/em\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuperior Airflow Control:\u003c\/strong\u003e Features front horizontal blades for precise, multi-directional airflow management, allowing you to expertly direct comfort where it's needed most.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrevents Ceiling Stains:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eA built-in weather-stripping gasket stops air leaks, shielding your ceiling from dust buildup and ensuring optimal airflow direction.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClean, Architectural Aesthetic:\u003c\/strong\u003e Designed for a flawless look with no visible pre-drilled holes. Fastening is discreetly located on the inner border sides to maintain the grille's sleek, modern profile.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommercial-Grade Aluminum Build:\u003c\/strong\u003e Constructed from \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca style=\"color: rgb(37, 150, 190);\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/why-6063-t5-aluminum-is-great-for-linear-slot-diffuser-vent-covers\" title=\"Why 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\" rel=\"noopener\" target=\"_blank\"\u003esolid extruded 6063-T5 aluminum\u003c\/a\u003e\u003c\/span\u003e, this heavy-duty air register is built for exceptional durability and reliable, long-term performance in demanding environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Matte White Finish:\u003c\/strong\u003e Coated with a strong matte white powder coat that provides superior resistance to fading, corrosion, and everyday wear, ensuring the finish lasts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlexible Installation Options:\u003c\/strong\u003e This grille is supplied without fasteners to provide installers with the flexibility to choose the best mounting hardware for their specific substrate and project requirements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTailor your Airflow Performance: \u003c\/strong\u003eUnlock the full potential of your HVAC system by pairing this air register with a matching \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/pages\/custom-hvac-plenums\" title=\"Custom Plenum Box - Built to your specifications by Flo-Matrix HVAC\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003ecustom plenum box\u003c\/a\u003e\u003c\/span\u003e (sold separately) to achieve perfectly balanced and optimized airflow for your specific space.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShips worldwide from our Vancouver, Canada facility. Local pickup is also available at our showroom.\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eLooking for 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 Custom Double Deflection Grilles\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/linear-slot-diffuser-quote-request\" target=\"_blank\"\u003eRequest a quote for custom double deflection grilles 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\/flo-matrix-hvac-double-deflection-air-grille-horizontal-front-blades-installed.jpg?v=1781646372\" alt=\"Flo-Matrix HVAC double deflection air grille installed in a commercial HVAC ventilation system for directional airflow control, balanced air distribution, and modern architectural aesthetics\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003ePerformance\u003c\/h5\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" alt=\"Flo-Matrix HVAC vent cover with built-in weather foam strip compared to standard vent covers without foam gasket, showing improved air seal, reduced dust streaks, cleaner ceilings, better airflow efficiency, and lower maintenance requirements for residential and commercial HVAC applications.\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781729213\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\" title=\"High Resolution of Professional HVAC Diffusers vs Mass Produced Diffusers | Quality Comparison Guide\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg style=\"margin-bottom: 16px; float: none;\" alt=\"Flo-Matrix HVAC professional-grade linear slot diffusers and air grilles compared to mass-produced generic store diffusers, highlighting T5 aluminum construction, superior airflow performance, expert technical support, custom manufacturing options, commercial project experience, showroom availability, and long-term HVAC performance benefits.\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eSubmittal\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Double Deflection Air Grille (Front Horizontal Blades) Submittal Sheet High Resolution Download\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Double_Deflection_Air_Grille_Submittal.PDF?v=1750109108\" 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\/Double_Deflection_Air_Grille_Submittal.jpg?v=1750109108\" alt=\"Double Deflection (front horizontal blades) air grilles Submittal Sheet\"\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 style=\"color: rgb(37, 150, 190);\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/double-deflection-vs-single-deflection-air-grilles-which-one-is-right-for-you\" title=\"Double Deflection vs. Single Deflection Air Grilles: Which One Is Right for You?\" rel=\"noopener\" target=\"_blank\"\u003eDouble Deflection vs. Single Deflection Air Grilles: Which One Is Right for You?\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\/horizontal-or-vertical-a-quick-guide-to-double-deflection-air-grille-blades\" title=\"Front Horizontal or Vertical? A Quick Guide to Double Deflection Air Grille Blades\" rel=\"noopener\" target=\"_blank\"\u003eFront Horizontal or Vertical? A Quick Guide to Double Deflection Air Grille Blades\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\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" 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=\"CFD Airflow Analysis Services for Smarter HVAC Design\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/cfd-airflow-analysis-hvac-design\" target=\"_blank\"\u003eCFD Airflow Analysis Services for Smarter HVAC Design\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eDecoding \"Commercial-Grade\" for Your HVAC Specifications\u003c\/h4\u003e\n\u003cp\u003eFor architects and engineers, specifying true commercial-grade HVAC components involves more than just finding a durable product. It's about securing a partnership that provides deep technical support to guarantee your design functions perfectly. This requires complete clarity on material composition and, crucially, certified performance metrics. Essential data includes acoustic levels (NC ratings), system pressure drop, and accurate CFM airflow numbers.\u003c\/p\u003e\n\u003cp\u003eTrust is built on proof, not promises. That's why our air distribution products undergo rigorous independent testing to comply with strict industry standards such as ASHRAE 70-2006 and ADC1062:GRD-84. We go a step further by \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"CFD Airflow Analysis Services for Smarter HVAC Design by Flo-Matrix\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/cfd-airflow-analysis-hvac-design\" target=\"_blank\"\u003eintegrating advanced computer simulations\u003c\/a\u003e\u003c\/span\u003e in our design process. This allows us to refine the aerodynamics and energy performance of our modern linear bar grilles and diffusers long before manufacturing begins.\u003c\/p\u003e\n\u003cp\u003eFor high-performance air distribution solutions you can count on, Flo-Matrix HVAC has been a leading manufacturer for years. We focus on commercial-grade diffusers and linear grilles engineered for the most challenging environments. Have a project on the boards? \u003ca rel=\"noopener\" title=\"Contact Us Form - Flo-Matrix HVAC\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" target=\"_blank\"\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003eOur product experts are here to assist\u003c\/span\u003e\u003c\/a\u003e. Reach out to us at +1-604-437-1527 to talk about your specific requirements.\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\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=8ON0uNlEVQBXisuZ\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"Linear Air Diffusers","offers":[{"title":"Default Title","offer_id":41792375062691,"sku":"FWADH\/305x152\/PCWS02","price":27.39,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/12x6-air-grille-double-deflection-horizontal-front-metal.png?v=1776293009"},{"product_id":"10x6-air-grille-double-deflection-horizontal-front","title":"10x6\" Double Deflection Supply Grille \/ Register - Front Horizontal Blades Vent Cover - Flo-Matrix HVAC","description":"\u003ch5\u003eDetails\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eEngineered for precision airflow control, these 10x6 inch double deflection supply air grilles and registers feature independently adjustable blades to direct ventilation exactly where it’s needed. The horizontal front blades manage vertical airflow (up\/down), while vertical rear blades handle side-to-side distribution—giving HVAC installers and architects complete command over comfort conditions. These heavy-duty registers work equally well in sidewall, ceiling, or duct applications, making them ideal for commercial HVAC systems where customizable air patterns matter. With their high free area design, they maintain strong airflow while reducing whistling and pressure drops—critical for quiet, efficient operation. Unlike standard supply grilles, the dual-adjustment system prevents drafts by letting professionals fine-tune both the throw distance and spread pattern. Whether retrofitting existing spaces or designing new installations, these adaptable air registers solve common airflow challenges without sacrificing performance. \u003cstrong\u003eProfessional installation recommended.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision 10x6\" Duct Opening: \u003c\/strong\u003eEngineered for a perfect fit on standard 10x6” ductwork, this double deflection grille ensures optimal compatibility for a seamless HVAC integration. \u003cem\u003ePlease confirm exact measurements with our sizing chart\u003c\/em\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuperior Airflow Control:\u003c\/strong\u003e Features front horizontal blades for precise, multi-directional airflow management, allowing you to expertly direct comfort where it's needed most.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrevents Ceiling Stains:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eA built-in weather-stripping gasket stops air leaks, shielding your ceiling from dust buildup and ensuring optimal airflow direction.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClean, Architectural Aesthetic:\u003c\/strong\u003e Designed for a flawless look with no visible pre-drilled holes. Fastening is discreetly located on the inner border sides to maintain the grille's sleek, modern profile.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommercial-Grade Aluminum Build:\u003c\/strong\u003e Constructed from \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca style=\"color: rgb(37, 150, 190);\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/why-6063-t5-aluminum-is-great-for-linear-slot-diffuser-vent-covers\" title=\"Why 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\" rel=\"noopener\" target=\"_blank\"\u003esolid extruded 6063-T5 aluminum\u003c\/a\u003e\u003c\/span\u003e, this heavy-duty air register is built for exceptional durability and reliable, long-term performance in demanding environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Matte White Finish:\u003c\/strong\u003e Coated with a strong matte white powder coat that provides superior resistance to fading, corrosion, and everyday wear, ensuring the finish lasts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlexible Installation Options:\u003c\/strong\u003e This grille is supplied without fasteners to provide installers with the flexibility to choose the best mounting hardware for their specific substrate and project requirements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTailor your Airflow Performance: \u003c\/strong\u003eUnlock the full potential of your HVAC system by pairing this air register with a matching \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/pages\/custom-hvac-plenums\" title=\"Custom Plenum Box - Built to your specifications by Flo-Matrix HVAC\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003ecustom plenum box\u003c\/a\u003e\u003c\/span\u003e (sold separately) to achieve perfectly balanced and optimized airflow for your specific space.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShips worldwide from our Vancouver, Canada facility. Local pickup is also available at our showroom.\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eLooking for 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 Custom Double Deflection Grilles\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/linear-slot-diffuser-quote-request\" target=\"_blank\"\u003eRequest a quote for custom double deflection grilles and plenums\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e to get pricing, lead times, and support for your project.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-double-deflection-air-grille-horizontal-front-blades-installed.jpg?v=1781646372\" alt=\"Flo-Matrix HVAC double deflection air grille installed in a commercial HVAC ventilation system for directional airflow control, balanced air distribution, and modern architectural aesthetics\" style=\"float: none;\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003ePerformance\u003c\/h5\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" alt=\"Flo-Matrix HVAC vent cover with built-in weather foam strip compared to standard vent covers without foam gasket, showing improved air seal, reduced dust streaks, cleaner ceilings, better airflow efficiency, and lower maintenance requirements for residential and commercial HVAC applications.\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781729213\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\" title=\"High Resolution of Professional HVAC Diffusers vs Mass Produced Diffusers | Quality Comparison Guide\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg style=\"margin-bottom: 16px; float: none;\" alt=\"Flo-Matrix HVAC professional-grade linear slot diffusers and air grilles compared to mass-produced generic store diffusers, highlighting T5 aluminum construction, superior airflow performance, expert technical support, custom manufacturing options, commercial project experience, showroom availability, and long-term HVAC performance benefits.\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\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=\"Double Deflection Air Grille (Front Horizontal Blades) Submittal Sheet High Resolution Download\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Double_Deflection_Air_Grille_Submittal.PDF?v=1750109108\" 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\/Double_Deflection_Air_Grille_Submittal.jpg?v=1750109108\" alt=\"Double Deflection (front horizontal blades) air grilles Submittal Sheet\"\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 style=\"color: rgb(37, 150, 190);\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/double-deflection-vs-single-deflection-air-grilles-which-one-is-right-for-you\" title=\"Double Deflection vs. Single Deflection Air Grilles: Which One Is Right for You?\" rel=\"noopener\" target=\"_blank\"\u003eDouble Deflection vs. Single Deflection Air Grilles: Which One Is Right for You?\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\/horizontal-or-vertical-a-quick-guide-to-double-deflection-air-grille-blades\" title=\"Front Horizontal or Vertical? A Quick Guide to Double Deflection Air Grille Blades\" rel=\"noopener\" target=\"_blank\"\u003eFront Horizontal or Vertical? A Quick Guide to Double Deflection Air Grille Blades\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\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" 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=\"CFD Airflow Analysis Services for Smarter HVAC Design\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/cfd-airflow-analysis-hvac-design\" target=\"_blank\"\u003eCFD Airflow Analysis Services for Smarter HVAC Design\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eDecoding \"Commercial-Grade\" for Your HVAC Specifications\u003c\/h4\u003e\n\u003cp\u003eFor architects and engineers, specifying true commercial-grade HVAC components involves more than just finding a durable product. It's about securing a partnership that provides deep technical support to guarantee your design functions perfectly. This requires complete clarity on material composition and, crucially, certified performance metrics. Essential data includes acoustic levels (NC ratings), system pressure drop, and accurate CFM airflow numbers.\u003c\/p\u003e\n\u003cp\u003eTrust is built on proof, not promises. That's why our air distribution products undergo rigorous independent testing to comply with strict industry standards such as ASHRAE 70-2006 and ADC1062:GRD-84. We go a step further by \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"CFD Airflow Analysis Services for Smarter HVAC Design by Flo-Matrix\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/cfd-airflow-analysis-hvac-design\" target=\"_blank\"\u003eintegrating advanced computer simulations\u003c\/a\u003e\u003c\/span\u003e in our design process. This allows us to refine the aerodynamics and energy performance of our modern linear bar grilles and diffusers long before manufacturing begins.\u003c\/p\u003e\n\u003cp\u003eFor high-performance air distribution solutions you can count on, Flo-Matrix HVAC has been a leading manufacturer for years. We focus on commercial-grade diffusers and linear grilles engineered for the most challenging environments. Have a project on the boards? \u003ca rel=\"noopener\" title=\"Contact Us Form - Flo-Matrix HVAC\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" target=\"_blank\"\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003eOur product experts are here to assist\u003c\/span\u003e\u003c\/a\u003e. Reach out to us at +1-604-437-1527 to talk about your specific requirements.\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\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=8ON0uNlEVQBXisuZ\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"Linear Air Diffusers","offers":[{"title":"Default Title","offer_id":41792379224227,"sku":"FWADH\/254x152\/PCWS02","price":26.39,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/10x6-air-grille-double-deflection-horizontal-front-metal.png?v=1776292624"},{"product_id":"14x6-air-grille-double-deflection-horizontal-front","title":"14x6\" Double Deflection Supply Grille \/ Register - Front Horizontal Blades Vent Cover - Flo-Matrix HVAC","description":"\u003ch5\u003eDetails\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eEngineered for precision airflow control, these 14x6 inch double deflection supply air grilles and registers feature independently adjustable blades to direct ventilation exactly where it’s needed. The horizontal front blades manage vertical airflow (up\/down), while vertical rear blades handle side-to-side distribution—giving HVAC installers and architects complete command over comfort conditions. These heavy-duty registers work equally well in sidewall, ceiling, or duct applications, making them ideal for commercial HVAC systems where customizable air patterns matter. With their high free area design, they maintain strong airflow while reducing whistling and pressure drops—critical for quiet, efficient operation. Unlike standard supply grilles, the dual-adjustment system prevents drafts by letting professionals fine-tune both the throw distance and spread pattern. Whether retrofitting existing spaces or designing new installations, these adaptable air registers solve common airflow challenges without sacrificing performance. \u003cstrong\u003eProfessional installation recommended.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision 14x6\" Duct Opening: \u003c\/strong\u003eEngineered for a perfect fit on standard 14x6” ductwork, this double deflection grille ensures optimal compatibility for a seamless HVAC integration. \u003cem\u003ePlease confirm exact measurements with our sizing chart\u003c\/em\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuperior Airflow Control:\u003c\/strong\u003e Features front horizontal blades for precise, multi-directional airflow management, allowing you to expertly direct comfort where it's needed most.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrevents Ceiling Stains:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eA built-in weather-stripping gasket stops air leaks, shielding your ceiling from dust buildup and ensuring optimal airflow direction.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClean, Architectural Aesthetic:\u003c\/strong\u003e Designed for a flawless look with no visible pre-drilled holes. Fastening is discreetly located on the inner border sides to maintain the grille's sleek, modern profile.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommercial-Grade Aluminum Build:\u003c\/strong\u003e Constructed from \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca style=\"color: rgb(37, 150, 190);\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/why-6063-t5-aluminum-is-great-for-linear-slot-diffuser-vent-covers\" title=\"Why 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\" rel=\"noopener\" target=\"_blank\"\u003esolid extruded 6063-T5 aluminum\u003c\/a\u003e\u003c\/span\u003e, this heavy-duty air register is built for exceptional durability and reliable, long-term performance in demanding environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Matte White Finish:\u003c\/strong\u003e Coated with a strong matte white powder coat that provides superior resistance to fading, corrosion, and everyday wear, ensuring the finish lasts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlexible Installation Options:\u003c\/strong\u003e This grille is supplied without fasteners to provide installers with the flexibility to choose the best mounting hardware for their specific substrate and project requirements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTailor your Airflow Performance: \u003c\/strong\u003eUnlock the full potential of your HVAC system by pairing this air register with a matching \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/pages\/custom-hvac-plenums\" title=\"Custom Plenum Box - Built to your specifications by Flo-Matrix HVAC\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003ecustom plenum box\u003c\/a\u003e\u003c\/span\u003e (sold separately) to achieve perfectly balanced and optimized airflow for your specific space.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShips worldwide from our Vancouver, Canada facility. Local pickup is also available at our showroom.\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eLooking for 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 Custom Double Deflection Grilles\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/linear-slot-diffuser-quote-request\" target=\"_blank\"\u003eRequest a quote for custom double deflection grilles 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\/flo-matrix-hvac-double-deflection-air-grille-horizontal-front-blades-installed.jpg?v=1781646372\" alt=\"Flo-Matrix HVAC double deflection air grille installed in a commercial HVAC ventilation system for directional airflow control, balanced air distribution, and modern architectural aesthetics\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003ePerformance\u003c\/h5\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" alt=\"Flo-Matrix HVAC vent cover with built-in weather foam strip compared to standard vent covers without foam gasket, showing improved air seal, reduced dust streaks, cleaner ceilings, better airflow efficiency, and lower maintenance requirements for residential and commercial HVAC applications.\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781729213\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\" title=\"High Resolution of Professional HVAC Diffusers vs Mass Produced Diffusers | Quality Comparison Guide\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg style=\"margin-bottom: 16px; float: none;\" alt=\"Flo-Matrix HVAC professional-grade linear slot diffusers and air grilles compared to mass-produced generic store diffusers, highlighting T5 aluminum construction, superior airflow performance, expert technical support, custom manufacturing options, commercial project experience, showroom availability, and long-term HVAC performance benefits.\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\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=\"Double Deflection Air Grille (Front Horizontal Blades) Submittal Sheet High Resolution Download\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Double_Deflection_Air_Grille_Submittal.PDF?v=1750109108\" 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=\"Double Deflection (front horizontal blades) air grilles Submittal Sheet\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Double_Deflection_Air_Grille_Submittal.jpg?v=1750109108\"\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 style=\"color: rgb(37, 150, 190);\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/double-deflection-vs-single-deflection-air-grilles-which-one-is-right-for-you\" title=\"Double Deflection vs. Single Deflection Air Grilles: Which One Is Right for You?\" rel=\"noopener\" target=\"_blank\"\u003eDouble Deflection vs. Single Deflection Air Grilles: Which One Is Right for You?\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\/horizontal-or-vertical-a-quick-guide-to-double-deflection-air-grille-blades\" title=\"Front Horizontal or Vertical? A Quick Guide to Double Deflection Air Grille Blades\" rel=\"noopener\" target=\"_blank\"\u003eFront Horizontal or Vertical? A Quick Guide to Double Deflection Air Grille Blades\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\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" 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=\"CFD Airflow Analysis Services for Smarter HVAC Design\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/cfd-airflow-analysis-hvac-design\" target=\"_blank\"\u003eCFD Airflow Analysis Services for Smarter HVAC Design\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eDecoding \"Commercial-Grade\" for Your HVAC Specifications\u003c\/h4\u003e\n\u003cp\u003eFor architects and engineers, specifying true commercial-grade HVAC components involves more than just finding a durable product. It's about securing a partnership that provides deep technical support to guarantee your design functions perfectly. This requires complete clarity on material composition and, crucially, certified performance metrics. Essential data includes acoustic levels (NC ratings), system pressure drop, and accurate CFM airflow numbers.\u003c\/p\u003e\n\u003cp\u003eTrust is built on proof, not promises. That's why our air distribution products undergo rigorous independent testing to comply with strict industry standards such as ASHRAE 70-2006 and ADC1062:GRD-84. We go a step further by \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"CFD Airflow Analysis Services for Smarter HVAC Design by Flo-Matrix\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/cfd-airflow-analysis-hvac-design\" target=\"_blank\"\u003eintegrating advanced computer simulations\u003c\/a\u003e\u003c\/span\u003e in our design process. This allows us to refine the aerodynamics and energy performance of our modern linear bar grilles and diffusers long before manufacturing begins.\u003c\/p\u003e\n\u003cp\u003eFor high-performance air distribution solutions you can count on, Flo-Matrix HVAC has been a leading manufacturer for years. We focus on commercial-grade diffusers and linear grilles engineered for the most challenging environments. Have a project on the boards? \u003ca rel=\"noopener\" title=\"Contact Us Form - Flo-Matrix HVAC\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" target=\"_blank\"\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003eOur product experts are here to assist\u003c\/span\u003e\u003c\/a\u003e. Reach out to us at +1-604-437-1527 to talk about your specific requirements.\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\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=8ON0uNlEVQBXisuZ\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"Linear Air Diffusers","offers":[{"title":"Default Title","offer_id":41792380010659,"sku":"FWADH\/356x152\/PCWS02","price":28.39,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/14x6-air-grille-double-deflection-horizontal-front-metal.png?v=1776293424"},{"product_id":"16x6-air-grille-double-deflection-horizontal-front","title":"16x6\" Double Deflection Supply Grille \/ Register - Front Horizontal Blades Vent Cover - Flo-Matrix HVAC","description":"\u003ch5\u003eDetails\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eEngineered for precision airflow control, these 16x6 inch double deflection supply air grilles and registers feature independently adjustable blades to direct ventilation exactly where it’s needed. The horizontal front blades manage vertical airflow (up\/down), while vertical rear blades handle side-to-side distribution—giving HVAC installers and architects complete command over comfort conditions. These heavy-duty registers work equally well in sidewall, ceiling, or duct applications, making them ideal for commercial HVAC systems where customizable air patterns matter. With their high free area design, they maintain strong airflow while reducing whistling and pressure drops—critical for quiet, efficient operation. Unlike standard supply grilles, the dual-adjustment system prevents drafts by letting professionals fine-tune both the throw distance and spread pattern. Whether retrofitting existing spaces or designing new installations, these adaptable air registers solve common airflow challenges without sacrificing performance. \u003cstrong\u003eProfessional installation recommended.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision 16x6\" Duct Opening: \u003c\/strong\u003eEngineered for a perfect fit on standard 16x6” ductwork, this double deflection grille ensures optimal compatibility for a seamless HVAC integration. \u003cem\u003ePlease confirm exact measurements with our sizing chart\u003c\/em\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuperior Airflow Control:\u003c\/strong\u003e Features front horizontal blades for precise, multi-directional airflow management, allowing you to expertly direct comfort where it's needed most.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrevents Ceiling Stains:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eA built-in weather-stripping gasket stops air leaks, shielding your ceiling from dust buildup and ensuring optimal airflow direction.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClean, Architectural Aesthetic:\u003c\/strong\u003e Designed for a flawless look with no visible pre-drilled holes. Fastening is discreetly located on the inner border sides to maintain the grille's sleek, modern profile.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommercial-Grade Aluminum Build:\u003c\/strong\u003e Constructed from \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" title=\"Why 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/why-6063-t5-aluminum-is-great-for-linear-slot-diffuser-vent-covers\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003esolid extruded 6063-T5 aluminum\u003c\/a\u003e\u003c\/span\u003e, this heavy-duty air register is built for exceptional durability and reliable, long-term performance in demanding environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Matte White Finish:\u003c\/strong\u003e Coated with a strong matte white powder coat that provides superior resistance to fading, corrosion, and everyday wear, ensuring the finish lasts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlexible Installation Options:\u003c\/strong\u003e This grille is supplied without fasteners to provide installers with the flexibility to choose the best mounting hardware for their specific substrate and project requirements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTailor your Airflow Performance: \u003c\/strong\u003eUnlock the full potential of your HVAC system by pairing this air register with a matching \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Custom Plenum Box - Built to your specifications by Flo-Matrix HVAC\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/custom-hvac-plenums\" target=\"_blank\"\u003ecustom plenum box\u003c\/a\u003e\u003c\/span\u003e (sold separately) to achieve perfectly balanced and optimized airflow for your specific space.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShips worldwide from our Vancouver, Canada facility. Local pickup is also available at our showroom.\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eLooking for 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 Custom Double Deflection Grilles\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eRequest a quote for custom double deflection grilles 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\/flo-matrix-hvac-double-deflection-air-grille-horizontal-front-blades-installed.jpg?v=1781646372\" alt=\"Flo-Matrix HVAC double deflection air grille installed in a commercial HVAC ventilation system for directional airflow control, balanced air distribution, and modern architectural aesthetics\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003ePerformance\u003c\/h5\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" alt=\"Flo-Matrix HVAC vent cover with built-in weather foam strip compared to standard vent covers without foam gasket, showing improved air seal, reduced dust streaks, cleaner ceilings, better airflow efficiency, and lower maintenance requirements for residential and commercial HVAC applications.\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781729213\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\" title=\"High Resolution of Professional HVAC Diffusers vs Mass Produced Diffusers | Quality Comparison Guide\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg style=\"margin-bottom: 16px; float: none;\" alt=\"Flo-Matrix HVAC professional-grade linear slot diffusers and air grilles compared to mass-produced generic store diffusers, highlighting T5 aluminum construction, superior airflow performance, expert technical support, custom manufacturing options, commercial project experience, showroom availability, and long-term HVAC performance benefits.\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eSubmittal\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Double_Deflection_Air_Grille_Submittal.PDF?v=1750109108\" title=\"Double Deflection Air Grille (Front Horizontal Blades) Submittal Sheet High Resolution 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=\"Double Deflection (front horizontal blades) air grilles Submittal Sheet\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Double_Deflection_Air_Grille_Submittal.jpg?v=1750109108\"\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\" title=\"Double Deflection vs. Single Deflection Air Grilles: Which One Is Right for You?\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/double-deflection-vs-single-deflection-air-grilles-which-one-is-right-for-you\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eDouble Deflection vs. Single Deflection Air Grilles: Which One Is Right for You?\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\" title=\"Front Horizontal or Vertical? A Quick Guide to Double Deflection Air Grille Blades\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/horizontal-or-vertical-a-quick-guide-to-double-deflection-air-grille-blades\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eFront Horizontal or Vertical? A Quick Guide to Double Deflection Air Grille Blades\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\" 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\"\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\/pages\/cfd-airflow-analysis-hvac-design\" title=\"CFD Airflow Analysis Services for Smarter HVAC Design\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eCFD Airflow Analysis Services for Smarter HVAC Design\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eDecoding \"Commercial-Grade\" for Your HVAC Specifications\u003c\/h4\u003e\n\u003cp\u003eFor architects and engineers, specifying true commercial-grade HVAC components involves more than just finding a durable product. It's about securing a partnership that provides deep technical support to guarantee your design functions perfectly. This requires complete clarity on material composition and, crucially, certified performance metrics. Essential data includes acoustic levels (NC ratings), system pressure drop, and accurate CFM airflow numbers.\u003c\/p\u003e\n\u003cp\u003eTrust is built on proof, not promises. That's why our air distribution products undergo rigorous independent testing to comply with strict industry standards such as ASHRAE 70-2006 and ADC1062:GRD-84. We go a step further by \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 by Flo-Matrix\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eintegrating advanced computer simulations\u003c\/a\u003e\u003c\/span\u003e in our design process. This allows us to refine the aerodynamics and energy performance of our modern linear bar grilles and diffusers long before manufacturing begins.\u003c\/p\u003e\n\u003cp\u003eFor high-performance air distribution solutions you can count on, Flo-Matrix HVAC has been a leading manufacturer for years. We focus on commercial-grade diffusers and linear grilles engineered for the most challenging environments. Have a project on the boards? \u003ca href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" title=\"Contact Us Form - Flo-Matrix HVAC\" rel=\"noopener\" target=\"_blank\"\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003eOur product experts are here to assist\u003c\/span\u003e\u003c\/a\u003e. Reach out to us at +1-604-437-1527 to talk about your specific requirements.\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\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=8ON0uNlEVQBXisuZ\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"Linear Air Diffusers","offers":[{"title":"Default Title","offer_id":41792397344931,"sku":"FWADH\/406x152\/PCWS02","price":29.39,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/16x6-air-grille-double-deflection-horizontal-front-metal.png?v=1776463683"},{"product_id":"12x8-air-grille-double-deflection-horizontal-front","title":"12x8\" Double Deflection Supply Grille \/ Register - Front Horizontal Blades Vent Cover - Flo-Matrix HVAC","description":"\u003ch5\u003eDetails\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eEngineered for precision airflow control, these 12x8 inch double deflection supply air grilles and registers feature independently adjustable blades to direct ventilation exactly where it’s needed. The horizontal front blades manage vertical airflow (up\/down), while vertical rear blades handle side-to-side distribution—giving HVAC installers and architects complete command over comfort conditions. These heavy-duty registers work equally well in sidewall, ceiling, or duct applications, making them ideal for commercial HVAC systems where customizable air patterns matter. With their high free area design, they maintain strong airflow while reducing whistling and pressure drops—critical for quiet, efficient operation. Unlike standard supply grilles, the dual-adjustment system prevents drafts by letting professionals fine-tune both the throw distance and spread pattern. Whether retrofitting existing spaces or designing new installations, these adaptable air registers solve common airflow challenges without sacrificing performance. \u003cstrong\u003eProfessional installation recommended.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision 12x8\" Duct Opening: \u003c\/strong\u003eEngineered for a perfect fit on standard 12x8” ductwork, this double deflection grille ensures optimal compatibility for a seamless HVAC integration. \u003cem\u003ePlease confirm exact measurements with our sizing chart\u003c\/em\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuperior Airflow Control:\u003c\/strong\u003e Features front horizontal blades for precise, multi-directional airflow management, allowing you to expertly direct comfort where it's needed most.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrevents Ceiling Stains:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eA built-in weather-stripping gasket stops air leaks, shielding your ceiling from dust buildup and ensuring optimal airflow direction.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClean, Architectural Aesthetic:\u003c\/strong\u003e Designed for a flawless look with no visible pre-drilled holes. Fastening is discreetly located on the inner border sides to maintain the grille's sleek, modern profile.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommercial-Grade Aluminum Build:\u003c\/strong\u003e Constructed from \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca style=\"color: rgb(37, 150, 190);\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/why-6063-t5-aluminum-is-great-for-linear-slot-diffuser-vent-covers\" title=\"Why 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\" rel=\"noopener\" target=\"_blank\"\u003esolid extruded 6063-T5 aluminum\u003c\/a\u003e\u003c\/span\u003e, this heavy-duty air register is built for exceptional durability and reliable, long-term performance in demanding environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Matte White Finish:\u003c\/strong\u003e Coated with a strong matte white powder coat that provides superior resistance to fading, corrosion, and everyday wear, ensuring the finish lasts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlexible Installation Options:\u003c\/strong\u003e This grille is supplied without fasteners to provide installers with the flexibility to choose the best mounting hardware for their specific substrate and project requirements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTailor your Airflow Performance: \u003c\/strong\u003eUnlock the full potential of your HVAC system by pairing this air register with a matching \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/pages\/custom-hvac-plenums\" title=\"Custom Plenum Box - Built to your specifications by Flo-Matrix HVAC\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003ecustom plenum box\u003c\/a\u003e\u003c\/span\u003e (sold separately) to achieve perfectly balanced and optimized airflow for your specific space.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShips worldwide from our Vancouver, Canada facility. Local pickup is also available at our showroom.\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eLooking for 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 Custom Double Deflection Grilles\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/linear-slot-diffuser-quote-request\" target=\"_blank\"\u003eRequest a quote for custom double deflection grilles 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\/flo-matrix-hvac-double-deflection-air-grille-horizontal-front-blades-installed.jpg?v=1781646372\" alt=\"Flo-Matrix HVAC double deflection air grille installed in a commercial HVAC ventilation system for directional airflow control, balanced air distribution, and modern architectural aesthetics\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003ePerformance\u003c\/h5\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" alt=\"Flo-Matrix HVAC vent cover with built-in weather foam strip compared to standard vent covers without foam gasket, showing improved air seal, reduced dust streaks, cleaner ceilings, better airflow efficiency, and lower maintenance requirements for residential and commercial HVAC applications.\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781729213\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\" title=\"High Resolution of Professional HVAC Diffusers vs Mass Produced Diffusers | Quality Comparison Guide\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg style=\"margin-bottom: 16px; float: none;\" alt=\"Flo-Matrix HVAC professional-grade linear slot diffusers and air grilles compared to mass-produced generic store diffusers, highlighting T5 aluminum construction, superior airflow performance, expert technical support, custom manufacturing options, commercial project experience, showroom availability, and long-term HVAC performance benefits.\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\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=\"Double Deflection Air Grille (Front Horizontal Blades) Submittal Sheet High Resolution Download\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Double_Deflection_Air_Grille_Submittal.PDF?v=1750109108\" 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\/Double_Deflection_Air_Grille_Submittal.jpg?v=1750109108\" alt=\"Double Deflection air grilles Submittal Sheet\"\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 style=\"color: rgb(37, 150, 190);\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/double-deflection-vs-single-deflection-air-grilles-which-one-is-right-for-you\" title=\"Double Deflection vs. Single Deflection Air Grilles: Which One Is Right for You?\" rel=\"noopener\" target=\"_blank\"\u003eDouble Deflection vs. Single Deflection Air Grilles: Which One Is Right for You?\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\/horizontal-or-vertical-a-quick-guide-to-double-deflection-air-grille-blades\" title=\"Front Horizontal or Vertical? A Quick Guide to Double Deflection Air Grille Blades\" rel=\"noopener\" target=\"_blank\"\u003eFront Horizontal or Vertical? A Quick Guide to Double Deflection Air Grille Blades\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\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" 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=\"CFD Airflow Analysis Services for Smarter HVAC Design\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/cfd-airflow-analysis-hvac-design\" target=\"_blank\"\u003eCFD Airflow Analysis Services for Smarter HVAC Design\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eDecoding \"Commercial-Grade\" for Your HVAC Specifications\u003c\/h4\u003e\n\u003cp\u003eFor architects and engineers, specifying true commercial-grade HVAC components involves more than just finding a durable product. It's about securing a partnership that provides deep technical support to guarantee your design functions perfectly. This requires complete clarity on material composition and, crucially, certified performance metrics. Essential data includes acoustic levels (NC ratings), system pressure drop, and accurate CFM airflow numbers.\u003c\/p\u003e\n\u003cp\u003eTrust is built on proof, not promises. That's why our air distribution products undergo rigorous independent testing to comply with strict industry standards such as ASHRAE 70-2006 and ADC1062:GRD-84. We go a step further by \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"CFD Airflow Analysis Services for Smarter HVAC Design by Flo-Matrix\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/cfd-airflow-analysis-hvac-design\" target=\"_blank\"\u003eintegrating advanced computer simulations\u003c\/a\u003e\u003c\/span\u003e in our design process. This allows us to refine the aerodynamics and energy performance of our modern linear bar grilles and diffusers long before manufacturing begins.\u003c\/p\u003e\n\u003cp\u003eFor high-performance air distribution solutions you can count on, Flo-Matrix HVAC has been a leading manufacturer for years. We focus on commercial-grade diffusers and linear grilles engineered for the most challenging environments. Have a project on the boards? \u003ca rel=\"noopener\" title=\"Contact Us Form - Flo-Matrix HVAC\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" target=\"_blank\"\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003eOur product experts are here to assist\u003c\/span\u003e\u003c\/a\u003e. Reach out to us at +1-604-437-1527 to talk about your specific requirements.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003e\u003cbr\u003e\u003c\/h5\u003e\n\u003ch5\u003eVideos\u003c\/h5\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=8ON0uNlEVQBXisuZ\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"Linear Air Diffusers","offers":[{"title":"Default Title","offer_id":41792419168419,"sku":"FWADH\/305x203\/PCWS02","price":28.39,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/12x8-air-grille-double-deflection-horizontal-front-metal.png?v=1776294817"},{"product_id":"14x8-air-grille-double-deflection-horizontal-front","title":"14x8\" Double Deflection Supply Grille \/ Register - Front Horizontal Blades Vent Cover - Flo-Matrix HVAC","description":"\u003ch5\u003eDetails\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eEngineered for precision airflow control, these 14x8 inch double deflection supply air grilles and registers feature independently adjustable blades to direct ventilation exactly where it’s needed. The horizontal front blades manage vertical airflow (up\/down), while vertical rear blades handle side-to-side distribution—giving HVAC installers and architects complete command over comfort conditions. These heavy-duty registers work equally well in sidewall, ceiling, or duct applications, making them ideal for commercial HVAC systems where customizable air patterns matter. With their high free area design, they maintain strong airflow while reducing whistling and pressure drops—critical for quiet, efficient operation. Unlike standard supply grilles, the dual-adjustment system prevents drafts by letting professionals fine-tune both the throw distance and spread pattern. Whether retrofitting existing spaces or designing new installations, these adaptable air registers solve common airflow challenges without sacrificing performance. \u003cstrong\u003eProfessional installation recommended.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision 14x8\" Duct Opening: \u003c\/strong\u003eEngineered for a perfect fit on standard 14x8” ductwork, this double deflection grille ensures optimal compatibility for a seamless HVAC integration. \u003cem\u003ePlease confirm exact measurements with our sizing chart\u003c\/em\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuperior Airflow Control:\u003c\/strong\u003e Features front horizontal blades for precise, multi-directional airflow management, allowing you to expertly direct comfort where it's needed most.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrevents Ceiling Stains:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eA built-in weather-stripping gasket stops air leaks, shielding your ceiling from dust buildup and ensuring optimal airflow direction.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClean, Architectural Aesthetic:\u003c\/strong\u003e Designed for a flawless look with no visible pre-drilled holes. Fastening is discreetly located on the inner border sides to maintain the grille's sleek, modern profile.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommercial-Grade Aluminum Build:\u003c\/strong\u003e Constructed from \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca style=\"color: rgb(37, 150, 190);\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/why-6063-t5-aluminum-is-great-for-linear-slot-diffuser-vent-covers\" title=\"Why 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\" rel=\"noopener\" target=\"_blank\"\u003esolid extruded 6063-T5 aluminum\u003c\/a\u003e\u003c\/span\u003e, this heavy-duty air register is built for exceptional durability and reliable, long-term performance in demanding environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Matte White Finish:\u003c\/strong\u003e Coated with a strong matte white powder coat that provides superior resistance to fading, corrosion, and everyday wear, ensuring the finish lasts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlexible Installation Options:\u003c\/strong\u003e This grille is supplied without fasteners to provide installers with the flexibility to choose the best mounting hardware for their specific substrate and project requirements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTailor your Airflow Performance: \u003c\/strong\u003eUnlock the full potential of your HVAC system by pairing this air register with a matching \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/pages\/custom-hvac-plenums\" title=\"Custom Plenum Box - Built to your specifications by Flo-Matrix HVAC\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003ecustom plenum box\u003c\/a\u003e\u003c\/span\u003e (sold separately) to achieve perfectly balanced and optimized airflow for your specific space.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShips worldwide from our Vancouver, Canada facility. Local pickup is also available at our showroom.\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eLooking for 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 Custom Double Deflection Grilles\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/linear-slot-diffuser-quote-request\" target=\"_blank\"\u003eRequest a quote for custom double deflection grilles 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\/flo-matrix-hvac-double-deflection-air-grille-horizontal-front-blades-installed.jpg?v=1781646372\" alt=\"Flo-Matrix HVAC double deflection air grille installed in a commercial HVAC ventilation system for directional airflow control, balanced air distribution, and modern architectural aesthetics\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003ePerformance\u003c\/h5\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" alt=\"Flo-Matrix HVAC vent cover with built-in weather foam strip compared to standard vent covers without foam gasket, showing improved air seal, reduced dust streaks, cleaner ceilings, better airflow efficiency, and lower maintenance requirements for residential and commercial HVAC applications.\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781729213\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\" title=\"High Resolution of Professional HVAC Diffusers vs Mass Produced Diffusers | Quality Comparison Guide\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg style=\"margin-bottom: 16px; float: none;\" alt=\"Flo-Matrix HVAC professional-grade linear slot diffusers and air grilles compared to mass-produced generic store diffusers, highlighting T5 aluminum construction, superior airflow performance, expert technical support, custom manufacturing options, commercial project experience, showroom availability, and long-term HVAC performance benefits.\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eSubmittal\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Double Deflection Air Grille (Front Horizontal Blades) Submittal Sheet High Resolution Download\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Double_Deflection_Air_Grille_Submittal.PDF?v=1750109108\" 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=\"Double Deflection air grilles Submittal Sheet\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Double_Deflection_Air_Grille_Submittal.jpg?v=1750109108\"\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 style=\"color: rgb(37, 150, 190);\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/double-deflection-vs-single-deflection-air-grilles-which-one-is-right-for-you\" title=\"Double Deflection vs. Single Deflection Air Grilles: Which One Is Right for You?\" rel=\"noopener\" target=\"_blank\"\u003eDouble Deflection vs. Single Deflection Air Grilles: Which One Is Right for You?\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\/horizontal-or-vertical-a-quick-guide-to-double-deflection-air-grille-blades\" title=\"Front Horizontal or Vertical? A Quick Guide to Double Deflection Air Grille Blades\" rel=\"noopener\" target=\"_blank\"\u003eFront Horizontal or Vertical? A Quick Guide to Double Deflection Air Grille Blades\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\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" 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=\"CFD Airflow Analysis Services for Smarter HVAC Design\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/cfd-airflow-analysis-hvac-design\" target=\"_blank\"\u003eCFD Airflow Analysis Services for Smarter HVAC Design\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eDecoding \"Commercial-Grade\" for Your HVAC Specifications\u003c\/h4\u003e\n\u003cp\u003eFor architects and engineers, specifying true commercial-grade HVAC components involves more than just finding a durable product. It's about securing a partnership that provides deep technical support to guarantee your design functions perfectly. This requires complete clarity on material composition and, crucially, certified performance metrics. Essential data includes acoustic levels (NC ratings), system pressure drop, and accurate CFM airflow numbers.\u003c\/p\u003e\n\u003cp\u003eTrust is built on proof, not promises. That's why our air distribution products undergo rigorous independent testing to comply with strict industry standards such as ASHRAE 70-2006 and ADC1062:GRD-84. We go a step further by \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"CFD Airflow Analysis Services for Smarter HVAC Design by Flo-Matrix\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/cfd-airflow-analysis-hvac-design\" target=\"_blank\"\u003eintegrating advanced computer simulations\u003c\/a\u003e\u003c\/span\u003e in our design process. This allows us to refine the aerodynamics and energy performance of our modern linear bar grilles and diffusers long before manufacturing begins.\u003c\/p\u003e\n\u003cp\u003eFor high-performance air distribution solutions you can count on, Flo-Matrix HVAC has been a leading manufacturer for years. We focus on commercial-grade diffusers and linear grilles engineered for the most challenging environments. Have a project on the boards? \u003ca rel=\"noopener\" title=\"Contact Us Form - Flo-Matrix HVAC\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" target=\"_blank\"\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003eOur product experts are here to assist\u003c\/span\u003e\u003c\/a\u003e. Reach out to us at +1-604-437-1527 to talk about your specific requirements.\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\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=8ON0uNlEVQBXisuZ\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"Linear Air Diffusers","offers":[{"title":"Default Title","offer_id":41792425984163,"sku":"FWADH\/356x203\/PCWS02","price":29.39,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/14x8-air-grille-double-deflection-horizontal-front-metal.png?v=1776295839"},{"product_id":"10x8-air-grille-double-deflection-horizontal-front","title":"10x8\" Double Deflection Supply Grille \/ Register - Front Horizontal Blades Vent Cover - Flo-Matrix HVAC","description":"\u003ch5\u003eDetails\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eEngineered for precision airflow control, these 10x8 inch double deflection supply air grilles and registers feature independently adjustable blades to direct ventilation exactly where it’s needed. The horizontal front blades manage vertical airflow (up\/down), while vertical rear blades handle side-to-side distribution—giving HVAC installers and architects complete command over comfort conditions. These heavy-duty registers work equally well in sidewall, ceiling, or duct applications, making them ideal for commercial HVAC systems where customizable air patterns matter. With their high free area design, they maintain strong airflow while reducing whistling and pressure drops—critical for quiet, efficient operation. Unlike standard supply grilles, the dual-adjustment system prevents drafts by letting professionals fine-tune both the throw distance and spread pattern. Whether retrofitting existing spaces or designing new installations, these adaptable air registers solve common airflow challenges without sacrificing performance. \u003cstrong\u003eProfessional installation recommended.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision 10x8\" Duct Opening: \u003c\/strong\u003eEngineered for a perfect fit on standard 10x8” ductwork, this double deflection grille ensures optimal compatibility for a seamless HVAC integration. \u003cem\u003ePlease confirm exact measurements with our sizing chart\u003c\/em\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuperior Airflow Control:\u003c\/strong\u003e Features front horizontal blades for precise, multi-directional airflow management, allowing you to expertly direct comfort where it's needed most.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrevents Ceiling Stains:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eA built-in weather-stripping gasket stops air leaks, shielding your ceiling from dust buildup and ensuring optimal airflow direction.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClean, Architectural Aesthetic:\u003c\/strong\u003e Designed for a flawless look with no visible pre-drilled holes. Fastening is discreetly located on the inner border sides to maintain the grille's sleek, modern profile.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommercial-Grade Aluminum Build:\u003c\/strong\u003e Constructed from \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca style=\"color: rgb(37, 150, 190);\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/why-6063-t5-aluminum-is-great-for-linear-slot-diffuser-vent-covers\" title=\"Why 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\" rel=\"noopener\" target=\"_blank\"\u003esolid extruded 6063-T5 aluminum\u003c\/a\u003e\u003c\/span\u003e, this heavy-duty air register is built for exceptional durability and reliable, long-term performance in demanding environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Matte White Finish:\u003c\/strong\u003e Coated with a strong matte white powder coat that provides superior resistance to fading, corrosion, and everyday wear, ensuring the finish lasts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlexible Installation Options:\u003c\/strong\u003e This grille is supplied without fasteners to provide installers with the flexibility to choose the best mounting hardware for their specific substrate and project requirements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTailor your Airflow Performance: \u003c\/strong\u003eUnlock the full potential of your HVAC system by pairing this air register with a matching \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/pages\/custom-hvac-plenums\" title=\"Custom Plenum Box - Built to your specifications by Flo-Matrix HVAC\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003ecustom plenum box\u003c\/a\u003e\u003c\/span\u003e (sold separately) to achieve perfectly balanced and optimized airflow for your specific space.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShips worldwide from our Vancouver, Canada facility. Local pickup is also available at our showroom.\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eLooking for 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 Custom Double Deflection Grilles\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/linear-slot-diffuser-quote-request\" target=\"_blank\"\u003eRequest a quote for custom double deflection grilles 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\/flo-matrix-hvac-double-deflection-air-grille-horizontal-front-blades-installed.jpg?v=1781646372\" alt=\"Flo-Matrix HVAC double deflection air grille installed in a commercial HVAC ventilation system for directional airflow control, balanced air distribution, and modern architectural aesthetics\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003ePerformance\u003c\/h5\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" alt=\"Flo-Matrix HVAC vent cover with built-in weather foam strip compared to standard vent covers without foam gasket, showing improved air seal, reduced dust streaks, cleaner ceilings, better airflow efficiency, and lower maintenance requirements for residential and commercial HVAC applications.\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781729213\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\" title=\"High Resolution of Professional HVAC Diffusers vs Mass Produced Diffusers | Quality Comparison Guide\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg style=\"margin-bottom: 16px; float: none;\" alt=\"Flo-Matrix HVAC professional-grade linear slot diffusers and air grilles compared to mass-produced generic store diffusers, highlighting T5 aluminum construction, superior airflow performance, expert technical support, custom manufacturing options, commercial project experience, showroom availability, and long-term HVAC performance benefits.\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\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=\"Double Deflection Air Grille (Front Horizontal Blades) Submittal Sheet High Resolution Download\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Double_Deflection_Air_Grille_Submittal.PDF?v=1750109108\" 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\/Double_Deflection_Air_Grille_Submittal.jpg?v=1750109108\" alt=\"Double Deflection (front horizontal blades) air grilles Submittal Sheet\"\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 style=\"color: rgb(37, 150, 190);\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/double-deflection-vs-single-deflection-air-grilles-which-one-is-right-for-you\" title=\"Double Deflection vs. Single Deflection Air Grilles: Which One Is Right for You?\" rel=\"noopener\" target=\"_blank\"\u003eDouble Deflection vs. Single Deflection Air Grilles: Which One Is Right for You?\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\/horizontal-or-vertical-a-quick-guide-to-double-deflection-air-grille-blades\" title=\"Front Horizontal or Vertical? A Quick Guide to Double Deflection Air Grille Blades\" rel=\"noopener\" target=\"_blank\"\u003eFront Horizontal or Vertical? A Quick Guide to Double Deflection Air Grille Blades\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\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" 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=\"CFD Airflow Analysis Services for Smarter HVAC Design\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/cfd-airflow-analysis-hvac-design\" target=\"_blank\"\u003eCFD Airflow Analysis Services for Smarter HVAC Design\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eDecoding \"Commercial-Grade\" for Your HVAC Specifications\u003c\/h4\u003e\n\u003cp\u003eFor architects and engineers, specifying true commercial-grade HVAC components involves more than just finding a durable product. It's about securing a partnership that provides deep technical support to guarantee your design functions perfectly. This requires complete clarity on material composition and, crucially, certified performance metrics. Essential data includes acoustic levels (NC ratings), system pressure drop, and accurate CFM airflow numbers.\u003c\/p\u003e\n\u003cp\u003eTrust is built on proof, not promises. That's why our air distribution products undergo rigorous independent testing to comply with strict industry standards such as ASHRAE 70-2006 and ADC1062:GRD-84. We go a step further by \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"CFD Airflow Analysis Services for Smarter HVAC Design by Flo-Matrix\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/cfd-airflow-analysis-hvac-design\" target=\"_blank\"\u003eintegrating advanced computer simulations\u003c\/a\u003e\u003c\/span\u003e in our design process. This allows us to refine the aerodynamics and energy performance of our modern linear bar grilles and diffusers long before manufacturing begins.\u003c\/p\u003e\n\u003cp\u003eFor high-performance air distribution solutions you can count on, Flo-Matrix HVAC has been a leading manufacturer for years. We focus on commercial-grade diffusers and linear grilles engineered for the most challenging environments. Have a project on the boards? \u003ca rel=\"noopener\" title=\"Contact Us Form - Flo-Matrix HVAC\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" target=\"_blank\"\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003eOur product experts are here to assist\u003c\/span\u003e\u003c\/a\u003e. Reach out to us at +1-604-437-1527 to talk about your specific requirements.\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\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=8ON0uNlEVQBXisuZ\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"Linear Air Diffusers","offers":[{"title":"Default Title","offer_id":41792432504995,"sku":"FWADH\/254x203\/PCWS02","price":27.39,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/10x8-air-grille-double-deflection-horizontal-front-metal.png?v=1776294327"},{"product_id":"16x8-air-grille-double-deflection-horizontal-front","title":"16x8\" Double Deflection Supply Grille \/ Register - Front Horizontal Blades Vent Cover - Flo-Matrix HVAC","description":"\u003ch5\u003eDetails\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eEngineered for precision airflow control, these 16x8 inch double deflection supply air grilles and registers feature independently adjustable blades to direct ventilation exactly where it’s needed. The horizontal front blades manage vertical airflow (up\/down), while vertical rear blades handle side-to-side distribution—giving HVAC installers and architects complete command over comfort conditions. These heavy-duty registers work equally well in sidewall, ceiling, or duct applications, making them ideal for commercial HVAC systems where customizable air patterns matter. With their high free area design, they maintain strong airflow while reducing whistling and pressure drops—critical for quiet, efficient operation. Unlike standard supply grilles, the dual-adjustment system prevents drafts by letting professionals fine-tune both the throw distance and spread pattern. Whether retrofitting existing spaces or designing new installations, these adaptable air registers solve common airflow challenges without sacrificing performance. \u003cstrong\u003eProfessional installation recommended.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision 16x8\" Duct Opening: \u003c\/strong\u003eEngineered for a perfect fit on standard 16x8” ductwork, this double deflection grille ensures optimal compatibility for a seamless HVAC integration. \u003cem\u003ePlease confirm exact measurements with our sizing chart\u003c\/em\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuperior Airflow Control:\u003c\/strong\u003e Features front horizontal blades for precise, multi-directional airflow management, allowing you to expertly direct comfort where it's needed most.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrevents Ceiling Stains:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eA built-in weather-stripping gasket stops air leaks, shielding your ceiling from dust buildup and ensuring optimal airflow direction.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClean, Architectural Aesthetic:\u003c\/strong\u003e Designed for a flawless look with no visible pre-drilled holes. Fastening is discreetly located on the inner border sides to maintain the grille's sleek, modern profile.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommercial-Grade Aluminum Build:\u003c\/strong\u003e Constructed from \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca style=\"color: rgb(37, 150, 190);\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/why-6063-t5-aluminum-is-great-for-linear-slot-diffuser-vent-covers\" title=\"Why 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\" rel=\"noopener\" target=\"_blank\"\u003esolid extruded 6063-T5 aluminum\u003c\/a\u003e\u003c\/span\u003e, this heavy-duty air register is built for exceptional durability and reliable, long-term performance in demanding environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Matte White Finish:\u003c\/strong\u003e Coated with a strong matte white powder coat that provides superior resistance to fading, corrosion, and everyday wear, ensuring the finish lasts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlexible Installation Options:\u003c\/strong\u003e This grille is supplied without fasteners to provide installers with the flexibility to choose the best mounting hardware for their specific substrate and project requirements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTailor your Airflow Performance: \u003c\/strong\u003eUnlock the full potential of your HVAC system by pairing this air register with a matching \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/pages\/custom-hvac-plenums\" title=\"Custom Plenum Box - Built to your specifications by Flo-Matrix HVAC\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003ecustom plenum box\u003c\/a\u003e\u003c\/span\u003e (sold separately) to achieve perfectly balanced and optimized airflow for your specific space.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShips worldwide from our Vancouver, Canada facility. Local pickup is also available at our showroom.\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eLooking for 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 Custom Double Deflection Grilles\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/linear-slot-diffuser-quote-request\" target=\"_blank\"\u003eRequest a quote for custom double deflection grilles 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\/flo-matrix-hvac-double-deflection-air-grille-horizontal-front-blades-installed.jpg?v=1781646372\" alt=\"Flo-Matrix HVAC double deflection air grille installed in a commercial HVAC ventilation system for directional airflow control, balanced air distribution, and modern architectural aesthetics\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003ePerformance\u003c\/h5\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" alt=\"Flo-Matrix HVAC vent cover with built-in weather foam strip compared to standard vent covers without foam gasket, showing improved air seal, reduced dust streaks, cleaner ceilings, better airflow efficiency, and lower maintenance requirements for residential and commercial HVAC applications.\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781729213\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\" title=\"High Resolution of Professional HVAC Diffusers vs Mass Produced Diffusers | Quality Comparison Guide\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg style=\"margin-bottom: 16px; float: none;\" alt=\"Flo-Matrix HVAC professional-grade linear slot diffusers and air grilles compared to mass-produced generic store diffusers, highlighting T5 aluminum construction, superior airflow performance, expert technical support, custom manufacturing options, commercial project experience, showroom availability, and long-term HVAC performance benefits.\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eSubmittal\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Double Deflection Air Grille (Front Horizontal Blades) Submittal Sheet High Resolution Download\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Double_Deflection_Air_Grille_Submittal.PDF?v=1750109108\" 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=\"Double Deflection air grilles Submittal Sheet\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Double_Deflection_Air_Grille_Submittal.jpg?v=1750109108\"\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 style=\"color: rgb(37, 150, 190);\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/double-deflection-vs-single-deflection-air-grilles-which-one-is-right-for-you\" title=\"Double Deflection vs. Single Deflection Air Grilles: Which One Is Right for You?\" rel=\"noopener\" target=\"_blank\"\u003eDouble Deflection vs. Single Deflection Air Grilles: Which One Is Right for You?\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\/horizontal-or-vertical-a-quick-guide-to-double-deflection-air-grille-blades\" title=\"Front Horizontal or Vertical? A Quick Guide to Double Deflection Air Grille Blades\" rel=\"noopener\" target=\"_blank\"\u003eFront Horizontal or Vertical? A Quick Guide to Double Deflection Air Grille Blades\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\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" 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=\"CFD Airflow Analysis Services for Smarter HVAC Design\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/cfd-airflow-analysis-hvac-design\" target=\"_blank\"\u003eCFD Airflow Analysis Services for Smarter HVAC Design\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eDecoding \"Commercial-Grade\" for Your HVAC Specifications\u003c\/h4\u003e\n\u003cp\u003eFor architects and engineers, specifying true commercial-grade HVAC components involves more than just finding a durable product. It's about securing a partnership that provides deep technical support to guarantee your design functions perfectly. This requires complete clarity on material composition and, crucially, certified performance metrics. Essential data includes acoustic levels (NC ratings), system pressure drop, and accurate CFM airflow numbers.\u003c\/p\u003e\n\u003cp\u003eTrust is built on proof, not promises. That's why our air distribution products undergo rigorous independent testing to comply with strict industry standards such as ASHRAE 70-2006 and ADC1062:GRD-84. We go a step further by \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"CFD Airflow Analysis Services for Smarter HVAC Design by Flo-Matrix\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/cfd-airflow-analysis-hvac-design\" target=\"_blank\"\u003eintegrating advanced computer simulations\u003c\/a\u003e\u003c\/span\u003e in our design process. This allows us to refine the aerodynamics and energy performance of our modern linear bar grilles and diffusers long before manufacturing begins.\u003c\/p\u003e\n\u003cp\u003eFor high-performance air distribution solutions you can count on, Flo-Matrix HVAC has been a leading manufacturer for years. We focus on commercial-grade diffusers and linear grilles engineered for the most challenging environments. Have a project on the boards? \u003ca rel=\"noopener\" title=\"Contact Us Form - Flo-Matrix HVAC\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" target=\"_blank\"\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003eOur product experts are here to assist\u003c\/span\u003e\u003c\/a\u003e. Reach out to us at +1-604-437-1527 to talk about your specific requirements.\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\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=8ON0uNlEVQBXisuZ\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"Linear Air Diffusers","offers":[{"title":"Default Title","offer_id":41792446759075,"sku":"FWADH\/406x203\/PCWS02","price":30.39,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/16x8-air-grille-double-deflection-horizontal-front-metal.png?v=1776296155"},{"product_id":"20x8-air-grille-double-deflection-horizontal-front","title":"20x8\" Double Deflection Supply Grille \/ Register - Front Horizontal Blades Vent Cover - Flo-Matrix HVAC","description":"\u003ch5\u003eDetails\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eEngineered for precision airflow control, these 20x8 inch double deflection supply air grilles and registers feature independently adjustable blades to direct ventilation exactly where it’s needed. The horizontal front blades manage vertical airflow (up\/down), while vertical rear blades handle side-to-side distribution—giving HVAC installers and architects complete command over comfort conditions. These heavy-duty registers work equally well in sidewall, ceiling, or duct applications, making them ideal for commercial HVAC systems where customizable air patterns matter. With their high free area design, they maintain strong airflow while reducing whistling and pressure drops—critical for quiet, efficient operation. Unlike standard supply grilles, the dual-adjustment system prevents drafts by letting professionals fine-tune both the throw distance and spread pattern. Whether retrofitting existing spaces or designing new installations, these adaptable air registers solve common airflow challenges without sacrificing performance. \u003cstrong\u003eProfessional installation recommended.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision 20x8\" Duct Opening: \u003c\/strong\u003eEngineered for a perfect fit on standard 20x8” ductwork, this double deflection grille ensures optimal compatibility for a seamless HVAC integration. \u003cem\u003ePlease confirm exact measurements with our sizing chart\u003c\/em\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuperior Airflow Control:\u003c\/strong\u003e Features front horizontal blades for precise, multi-directional airflow management, allowing you to expertly direct comfort where it's needed most.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrevents Ceiling Stains:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eA built-in weather-stripping gasket stops air leaks, shielding your ceiling from dust buildup and ensuring optimal airflow direction.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClean, Architectural Aesthetic:\u003c\/strong\u003e Designed for a flawless look with no visible pre-drilled holes. Fastening is discreetly located on the inner border sides to maintain the grille's sleek, modern profile.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommercial-Grade Aluminum Build:\u003c\/strong\u003e Constructed from \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca style=\"color: rgb(37, 150, 190);\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/why-6063-t5-aluminum-is-great-for-linear-slot-diffuser-vent-covers\" title=\"Why 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\" rel=\"noopener\" target=\"_blank\"\u003esolid extruded 6063-T5 aluminum\u003c\/a\u003e\u003c\/span\u003e, this heavy-duty air register is built for exceptional durability and reliable, long-term performance in demanding environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Matte White Finish:\u003c\/strong\u003e Coated with a strong matte white powder coat that provides superior resistance to fading, corrosion, and everyday wear, ensuring the finish lasts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlexible Installation Options:\u003c\/strong\u003e This grille is supplied without fasteners to provide installers with the flexibility to choose the best mounting hardware for their specific substrate and project requirements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTailor your Airflow Performance: \u003c\/strong\u003eUnlock the full potential of your HVAC system by pairing this air register with a matching \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/pages\/custom-hvac-plenums\" title=\"Custom Plenum Box - Built to your specifications by Flo-Matrix HVAC\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003ecustom plenum box\u003c\/a\u003e\u003c\/span\u003e (sold separately) to achieve perfectly balanced and optimized airflow for your specific space.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShips worldwide from our Vancouver, Canada facility. Local pickup is also available at our showroom.\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eLooking for 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 Custom Double Deflection Grilles\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/linear-slot-diffuser-quote-request\" target=\"_blank\"\u003eRequest a quote for custom double deflection grilles 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\/flo-matrix-hvac-double-deflection-air-grille-horizontal-front-blades-installed.jpg?v=1781646372\" alt=\"Flo-Matrix HVAC double deflection air grille installed in a commercial HVAC ventilation system for directional airflow control, balanced air distribution, and modern architectural aesthetics\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003ePerformance\u003c\/h5\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" alt=\"Flo-Matrix HVAC vent cover with built-in weather foam strip compared to standard vent covers without foam gasket, showing improved air seal, reduced dust streaks, cleaner ceilings, better airflow efficiency, and lower maintenance requirements for residential and commercial HVAC applications.\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781729213\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\" title=\"High Resolution of Professional HVAC Diffusers vs Mass Produced Diffusers | Quality Comparison Guide\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg style=\"margin-bottom: 16px; float: none;\" alt=\"Flo-Matrix HVAC professional-grade linear slot diffusers and air grilles compared to mass-produced generic store diffusers, highlighting T5 aluminum construction, superior airflow performance, expert technical support, custom manufacturing options, commercial project experience, showroom availability, and long-term HVAC performance benefits.\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\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=\"Double Deflection Air Grille (Front Horizontal Blades) Submittal Sheet High Resolution Download\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Double_Deflection_Air_Grille_Submittal.PDF?v=1750109108\" 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=\"Double Deflection air grilles Submittal Sheet\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Double_Deflection_Air_Grille_Submittal.jpg?v=1750109108\"\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 style=\"color: rgb(37, 150, 190);\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/double-deflection-vs-single-deflection-air-grilles-which-one-is-right-for-you\" title=\"Double Deflection vs. Single Deflection Air Grilles: Which One Is Right for You?\" rel=\"noopener\" target=\"_blank\"\u003eDouble Deflection vs. Single Deflection Air Grilles: Which One Is Right for You?\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\/horizontal-or-vertical-a-quick-guide-to-double-deflection-air-grille-blades\" title=\"Front Horizontal or Vertical? A Quick Guide to Double Deflection Air Grille Blades\" rel=\"noopener\" target=\"_blank\"\u003eFront Horizontal or Vertical? A Quick Guide to Double Deflection Air Grille Blades\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\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" 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=\"CFD Airflow Analysis Services for Smarter HVAC Design\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/cfd-airflow-analysis-hvac-design\" target=\"_blank\"\u003eCFD Airflow Analysis Services for Smarter HVAC Design\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eDecoding \"Commercial-Grade\" for Your HVAC Specifications\u003c\/h4\u003e\n\u003cp\u003eFor architects and engineers, specifying true commercial-grade HVAC components involves more than just finding a durable product. It's about securing a partnership that provides deep technical support to guarantee your design functions perfectly. This requires complete clarity on material composition and, crucially, certified performance metrics. Essential data includes acoustic levels (NC ratings), system pressure drop, and accurate CFM airflow numbers.\u003c\/p\u003e\n\u003cp\u003eTrust is built on proof, not promises. That's why our air distribution products undergo rigorous independent testing to comply with strict industry standards such as ASHRAE 70-2006 and ADC1062:GRD-84. We go a step further by \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"CFD Airflow Analysis Services for Smarter HVAC Design by Flo-Matrix\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/cfd-airflow-analysis-hvac-design\" target=\"_blank\"\u003eintegrating advanced computer simulations\u003c\/a\u003e\u003c\/span\u003e in our design process. This allows us to refine the aerodynamics and energy performance of our modern linear bar grilles and diffusers long before manufacturing begins.\u003c\/p\u003e\n\u003cp\u003eFor high-performance air distribution solutions you can count on, Flo-Matrix HVAC has been a leading manufacturer for years. We focus on commercial-grade diffusers and linear grilles engineered for the most challenging environments. Have a project on the boards? \u003ca rel=\"noopener\" title=\"Contact Us Form - Flo-Matrix HVAC\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" target=\"_blank\"\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003eOur product experts are here to assist\u003c\/span\u003e\u003c\/a\u003e. Reach out to us at +1-604-437-1527 to talk about your specific requirements.\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\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=8ON0uNlEVQBXisuZ\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"Linear Air Diffusers","offers":[{"title":"Default Title","offer_id":41792459341987,"sku":"FWADH\/508x203\/PCWS02","price":36.35,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/20x8-air-grille-double-deflection-horizontal-front-metal.png?v=1776372079"},{"product_id":"18x8-air-grille-double-deflection-horizontal-front","title":"18x8\" Double Deflection Supply Grille \/ Register - Front Horizontal Blades Vent Cover - Flo-Matrix HVAC","description":"\u003ch5\u003eDetails\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eEngineered for precision airflow control, these 18x8 inch double deflection supply air grilles and registers feature independently adjustable blades to direct ventilation exactly where it’s needed. The horizontal front blades manage vertical airflow (up\/down), while vertical rear blades handle side-to-side distribution—giving HVAC installers and architects complete command over comfort conditions. These heavy-duty registers work equally well in sidewall, ceiling, or duct applications, making them ideal for commercial HVAC systems where customizable air patterns matter. With their high free area design, they maintain strong airflow while reducing whistling and pressure drops—critical for quiet, efficient operation. Unlike standard supply grilles, the dual-adjustment system prevents drafts by letting professionals fine-tune both the throw distance and spread pattern. Whether retrofitting existing spaces or designing new installations, these adaptable air registers solve common airflow challenges without sacrificing performance. \u003cstrong\u003eProfessional installation recommended.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision 18x8\" Duct Opening: \u003c\/strong\u003eEngineered for a perfect fit on standard 18x8” ductwork, this double deflection grille ensures optimal compatibility for a seamless HVAC integration. \u003cem\u003ePlease confirm exact measurements with our sizing chart\u003c\/em\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuperior Airflow Control:\u003c\/strong\u003e Features front horizontal blades for precise, multi-directional airflow management, allowing you to expertly direct comfort where it's needed most.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrevents Ceiling Stains:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eA built-in weather-stripping gasket stops air leaks, shielding your ceiling from dust buildup and ensuring optimal airflow direction.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClean, Architectural Aesthetic:\u003c\/strong\u003e Designed for a flawless look with no visible pre-drilled holes. Fastening is discreetly located on the inner border sides to maintain the grille's sleek, modern profile.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommercial-Grade Aluminum Build:\u003c\/strong\u003e Constructed from \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca style=\"color: rgb(37, 150, 190);\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/why-6063-t5-aluminum-is-great-for-linear-slot-diffuser-vent-covers\" title=\"Why 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\" rel=\"noopener\" target=\"_blank\"\u003esolid extruded 6063-T5 aluminum\u003c\/a\u003e\u003c\/span\u003e, this heavy-duty air register is built for exceptional durability and reliable, long-term performance in demanding environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Matte White Finish:\u003c\/strong\u003e Coated with a strong matte white powder coat that provides superior resistance to fading, corrosion, and everyday wear, ensuring the finish lasts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlexible Installation Options:\u003c\/strong\u003e This grille is supplied without fasteners to provide installers with the flexibility to choose the best mounting hardware for their specific substrate and project requirements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTailor your Airflow Performance: \u003c\/strong\u003eUnlock the full potential of your HVAC system by pairing this air register with a matching \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/pages\/custom-hvac-plenums\" title=\"Custom Plenum Box - Built to your specifications by Flo-Matrix HVAC\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003ecustom plenum box\u003c\/a\u003e\u003c\/span\u003e (sold separately) to achieve perfectly balanced and optimized airflow for your specific space.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShips worldwide from our Vancouver, Canada facility. Local pickup is also available at our showroom.\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eLooking for 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 Custom Double Deflection Grilles\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/linear-slot-diffuser-quote-request\" target=\"_blank\"\u003eRequest a quote for custom double deflection grilles and plenums\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e to get pricing, lead times, and support for your project.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \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-double-deflection-air-grille-horizontal-front-blades-installed.jpg?v=1781646372\" alt=\"Flo-Matrix HVAC double deflection air grille installed in a commercial HVAC ventilation system for directional airflow control, balanced air distribution, and modern architectural aesthetics\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003ePerformance\u003c\/h5\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" alt=\"Flo-Matrix HVAC vent cover with built-in weather foam strip compared to standard vent covers without foam gasket, showing improved air seal, reduced dust streaks, cleaner ceilings, better airflow efficiency, and lower maintenance requirements for residential and commercial HVAC applications.\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781729213\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\" title=\"High Resolution of Professional HVAC Diffusers vs Mass Produced Diffusers | Quality Comparison Guide\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg style=\"margin-bottom: 16px; float: none;\" alt=\"Flo-Matrix HVAC professional-grade linear slot diffusers and air grilles compared to mass-produced generic store diffusers, highlighting T5 aluminum construction, superior airflow performance, expert technical support, custom manufacturing options, commercial project experience, showroom availability, and long-term HVAC performance benefits.\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\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=\"Double Deflection Air Grille (Front Horizontal Blades) Submittal Sheet High Resolution Download\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Double_Deflection_Air_Grille_Submittal.PDF?v=1750109108\" 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=\"Double Deflection air grilles Submittal Sheet\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Double_Deflection_Air_Grille_Submittal.jpg?v=1750109108\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003e\u003cbr\u003e\u003c\/h5\u003e\n\u003ch5\u003eResources \u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca style=\"color: rgb(37, 150, 190);\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/double-deflection-vs-single-deflection-air-grilles-which-one-is-right-for-you\" title=\"Double Deflection vs. Single Deflection Air Grilles: Which One Is Right for You?\" rel=\"noopener\" target=\"_blank\"\u003eDouble Deflection vs. Single Deflection Air Grilles: Which One Is Right for You?\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\/horizontal-or-vertical-a-quick-guide-to-double-deflection-air-grille-blades\" title=\"Front Horizontal or Vertical? A Quick Guide to Double Deflection Air Grille Blades\" rel=\"noopener\" target=\"_blank\"\u003eFront Horizontal or Vertical? A Quick Guide to Double Deflection Air Grille Blades\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\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" 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=\"CFD Airflow Analysis Services for Smarter HVAC Design\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/cfd-airflow-analysis-hvac-design\" target=\"_blank\"\u003eCFD Airflow Analysis Services for Smarter HVAC Design\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eDecoding \"Commercial-Grade\" for Your HVAC Specifications\u003c\/h4\u003e\n\u003cp\u003eFor architects and engineers, specifying true commercial-grade HVAC components involves more than just finding a durable product. It's about securing a partnership that provides deep technical support to guarantee your design functions perfectly. This requires complete clarity on material composition and, crucially, certified performance metrics. Essential data includes acoustic levels (NC ratings), system pressure drop, and accurate CFM airflow numbers.\u003c\/p\u003e\n\u003cp\u003eTrust is built on proof, not promises. That's why our air distribution products undergo rigorous independent testing to comply with strict industry standards such as ASHRAE 70-2006 and ADC1062:GRD-84. We go a step further by \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"CFD Airflow Analysis Services for Smarter HVAC Design by Flo-Matrix\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/cfd-airflow-analysis-hvac-design\" target=\"_blank\"\u003eintegrating advanced computer simulations\u003c\/a\u003e\u003c\/span\u003e in our design process. This allows us to refine the aerodynamics and energy performance of our modern linear bar grilles and diffusers long before manufacturing begins.\u003c\/p\u003e\n\u003cp\u003eFor high-performance air distribution solutions you can count on, Flo-Matrix HVAC has been a leading manufacturer for years. We focus on commercial-grade diffusers and linear grilles engineered for the most challenging environments. Have a project on the boards? \u003ca rel=\"noopener\" title=\"Contact Us Form - Flo-Matrix HVAC\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" target=\"_blank\"\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003eOur product experts are here to assist\u003c\/span\u003e\u003c\/a\u003e. Reach out to us at +1-604-437-1527 to talk about your specific requirements.\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\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=8ON0uNlEVQBXisuZ\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"Linear Air Diffusers","offers":[{"title":"Default Title","offer_id":41792461471907,"sku":"FWADH\/457x203\/PCWS02","price":32.39,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/18x8-air-grille-double-deflection-horizontal-front-metal.png?v=1776365599"},{"product_id":"22x10-air-grille-double-deflection-horizontal-front","title":"22x10\" Double Deflection Supply Grille \/ Register - Front Horizontal Blades Vent Cover - Flo-Matrix HVAC","description":"\u003ch5\u003eDetails\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eEngineered for precision airflow control, these 22x10 inch double deflection supply air grilles and registers feature independently adjustable blades to direct ventilation exactly where it’s needed. The horizontal front blades manage vertical airflow (up\/down), while vertical rear blades handle side-to-side distribution—giving HVAC installers and architects complete command over comfort conditions. These heavy-duty registers work equally well in sidewall, ceiling, or duct applications, making them ideal for commercial HVAC systems where customizable air patterns matter. With their high free area design, they maintain strong airflow while reducing whistling and pressure drops—critical for quiet, efficient operation. Unlike standard supply grilles, the dual-adjustment system prevents drafts by letting professionals fine-tune both the throw distance and spread pattern. Whether retrofitting existing spaces or designing new installations, these adaptable air registers solve common airflow challenges without sacrificing performance. \u003cstrong\u003eProfessional installation recommended.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision 22x10\" Duct Opening: \u003c\/strong\u003eEngineered for a perfect fit on standard 22x10” ductwork, this double deflection grille ensures optimal compatibility for a seamless HVAC integration. \u003cem\u003ePlease confirm exact measurements with our sizing chart\u003c\/em\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuperior Airflow Control:\u003c\/strong\u003e Features front horizontal blades for precise, multi-directional airflow management, allowing you to expertly direct comfort where it's needed most.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrevents Ceiling Stains:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eA built-in weather-stripping gasket stops air leaks, shielding your ceiling from dust buildup and ensuring optimal airflow direction.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClean, Architectural Aesthetic:\u003c\/strong\u003e Designed for a flawless look with no visible pre-drilled holes. Fastening is discreetly located on the inner border sides to maintain the grille's sleek, modern profile.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommercial-Grade Aluminum Build:\u003c\/strong\u003e Constructed from \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca style=\"color: rgb(37, 150, 190);\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/why-6063-t5-aluminum-is-great-for-linear-slot-diffuser-vent-covers\" title=\"Why 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\" rel=\"noopener\" target=\"_blank\"\u003esolid extruded 6063-T5 aluminum\u003c\/a\u003e\u003c\/span\u003e, this heavy-duty air register is built for exceptional durability and reliable, long-term performance in demanding environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Matte White Finish:\u003c\/strong\u003e Coated with a strong matte white powder coat that provides superior resistance to fading, corrosion, and everyday wear, ensuring the finish lasts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlexible Installation Options:\u003c\/strong\u003e This grille is supplied without fasteners to provide installers with the flexibility to choose the best mounting hardware for their specific substrate and project requirements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTailor your Airflow Performance: \u003c\/strong\u003eUnlock the full potential of your HVAC system by pairing this air register with a matching \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/pages\/custom-hvac-plenums\" title=\"Custom Plenum Box - Built to your specifications by Flo-Matrix HVAC\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003ecustom plenum box\u003c\/a\u003e\u003c\/span\u003e (sold separately) to achieve perfectly balanced and optimized airflow for your specific space.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShips worldwide from our Vancouver, Canada facility. Local pickup is also available at our showroom.\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eLooking for 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 Custom Double Deflection Grilles\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/linear-slot-diffuser-quote-request\" target=\"_blank\"\u003eRequest a quote for custom double deflection grilles 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\/flo-matrix-hvac-double-deflection-air-grille-horizontal-front-blades-installed.jpg?v=1781646372\" alt=\"Flo-Matrix HVAC double deflection air grille installed in a commercial HVAC ventilation system for directional airflow control, balanced air distribution, and modern architectural aesthetics\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003ePerformance\u003c\/h5\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" alt=\"Flo-Matrix HVAC vent cover with built-in weather foam strip compared to standard vent covers without foam gasket, showing improved air seal, reduced dust streaks, cleaner ceilings, better airflow efficiency, and lower maintenance requirements for residential and commercial HVAC applications.\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781729213\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\" title=\"High Resolution of Professional HVAC Diffusers vs Mass Produced Diffusers | Quality Comparison Guide\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg style=\"margin-bottom: 16px; float: none;\" alt=\"Flo-Matrix HVAC professional-grade linear slot diffusers and air grilles compared to mass-produced generic store diffusers, highlighting T5 aluminum construction, superior airflow performance, expert technical support, custom manufacturing options, commercial project experience, showroom availability, and long-term HVAC performance benefits.\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\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=\"Double Deflection Air Grille (Front Horizontal Blades) Submittal Sheet High Resolution Download\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Double_Deflection_Air_Grille_Submittal.PDF?v=1750109108\" 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=\"Double Deflection air grilles Submittal Sheet\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Double_Deflection_Air_Grille_Submittal.jpg?v=1750109108\"\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 style=\"color: rgb(37, 150, 190);\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/double-deflection-vs-single-deflection-air-grilles-which-one-is-right-for-you\" title=\"Double Deflection vs. Single Deflection Air Grilles: Which One Is Right for You?\" rel=\"noopener\" target=\"_blank\"\u003eDouble Deflection vs. Single Deflection Air Grilles: Which One Is Right for You?\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\/horizontal-or-vertical-a-quick-guide-to-double-deflection-air-grille-blades\" title=\"Front Horizontal or Vertical? A Quick Guide to Double Deflection Air Grille Blades\" rel=\"noopener\" target=\"_blank\"\u003eFront Horizontal or Vertical? A Quick Guide to Double Deflection Air Grille Blades\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\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" 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=\"CFD Airflow Analysis Services for Smarter HVAC Design\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/cfd-airflow-analysis-hvac-design\" target=\"_blank\"\u003eCFD Airflow Analysis Services for Smarter HVAC Design\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eDecoding \"Commercial-Grade\" for Your HVAC Specifications\u003c\/h4\u003e\n\u003cp\u003eFor architects and engineers, specifying true commercial-grade HVAC components involves more than just finding a durable product. It's about securing a partnership that provides deep technical support to guarantee your design functions perfectly. This requires complete clarity on material composition and, crucially, certified performance metrics. Essential data includes acoustic levels (NC ratings), system pressure drop, and accurate CFM airflow numbers.\u003c\/p\u003e\n\u003cp\u003eTrust is built on proof, not promises. That's why our air distribution products undergo rigorous independent testing to comply with strict industry standards such as ASHRAE 70-2006 and ADC1062:GRD-84. We go a step further by \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"CFD Airflow Analysis Services for Smarter HVAC Design by Flo-Matrix\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/cfd-airflow-analysis-hvac-design\" target=\"_blank\"\u003eintegrating advanced computer simulations\u003c\/a\u003e\u003c\/span\u003e in our design process. This allows us to refine the aerodynamics and energy performance of our modern linear bar grilles and diffusers long before manufacturing begins.\u003c\/p\u003e\n\u003cp\u003eFor high-performance air distribution solutions you can count on, Flo-Matrix HVAC has been a leading manufacturer for years. We focus on commercial-grade diffusers and linear grilles engineered for the most challenging environments. Have a project on the boards? \u003ca rel=\"noopener\" title=\"Contact Us Form - Flo-Matrix HVAC\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" target=\"_blank\"\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003eOur product experts are here to assist\u003c\/span\u003e\u003c\/a\u003e. Reach out to us at +1-604-437-1527 to talk about your specific requirements.\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\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=8ON0uNlEVQBXisuZ\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"Linear Air Diffusers","offers":[{"title":"Default Title","offer_id":41792472350883,"sku":"FWADH\/559x254\/PCWS02","price":47.03,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/22x10-air-grille-double-deflection-horizontal-front-metal.png?v=1776378963"},{"product_id":"12x10-air-grille-double-deflection-horizontal-front","title":"12x10\" Double Deflection Supply Grille \/ Register - Front Horizontal Blades Vent Cover - Flo-Matrix HVAC","description":"\u003ch5\u003eDetails\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eEngineered for precision airflow control, these 12x10 inch double deflection supply air grilles and registers feature independently adjustable blades to direct ventilation exactly where it’s needed. The horizontal front blades manage vertical airflow (up\/down), while vertical rear blades handle side-to-side distribution—giving HVAC installers and architects complete command over comfort conditions. These heavy-duty registers work equally well in sidewall, ceiling, or duct applications, making them ideal for commercial HVAC systems where customizable air patterns matter. With their high free area design, they maintain strong airflow while reducing whistling and pressure drops—critical for quiet, efficient operation. Unlike standard supply grilles, the dual-adjustment system prevents drafts by letting professionals fine-tune both the throw distance and spread pattern. Whether retrofitting existing spaces or designing new installations, these adaptable air registers solve common airflow challenges without sacrificing performance. \u003cstrong\u003eProfessional installation recommended.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision 12x10\" Duct Opening: \u003c\/strong\u003eEngineered for a perfect fit on standard 12x10” ductwork, this double deflection grille ensures optimal compatibility for a seamless HVAC integration. \u003cem\u003ePlease confirm exact measurements with our sizing chart\u003c\/em\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuperior Airflow Control:\u003c\/strong\u003e Features front horizontal blades for precise, multi-directional airflow management, allowing you to expertly direct comfort where it's needed most.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrevents Ceiling Stains:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eA built-in weather-stripping gasket stops air leaks, shielding your ceiling from dust buildup and ensuring optimal airflow direction.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClean, Architectural Aesthetic:\u003c\/strong\u003e Designed for a flawless look with no visible pre-drilled holes. Fastening is discreetly located on the inner border sides to maintain the grille's sleek, modern profile.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommercial-Grade Aluminum Build:\u003c\/strong\u003e Constructed from \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca style=\"color: rgb(37, 150, 190);\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/why-6063-t5-aluminum-is-great-for-linear-slot-diffuser-vent-covers\" title=\"Why 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\" rel=\"noopener\" target=\"_blank\"\u003esolid extruded 6063-T5 aluminum\u003c\/a\u003e\u003c\/span\u003e, this heavy-duty air register is built for exceptional durability and reliable, long-term performance in demanding environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Matte White Finish:\u003c\/strong\u003e Coated with a strong matte white powder coat that provides superior resistance to fading, corrosion, and everyday wear, ensuring the finish lasts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlexible Installation Options:\u003c\/strong\u003e This grille is supplied without fasteners to provide installers with the flexibility to choose the best mounting hardware for their specific substrate and project requirements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTailor your Airflow Performance: \u003c\/strong\u003eUnlock the full potential of your HVAC system by pairing this air register with a matching \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/pages\/custom-hvac-plenums\" title=\"Custom Plenum Box - Built to your specifications by Flo-Matrix HVAC\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003ecustom plenum box\u003c\/a\u003e\u003c\/span\u003e (sold separately) to achieve perfectly balanced and optimized airflow for your specific space.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShips worldwide from our Vancouver, Canada facility. Local pickup is also available at our showroom.\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eLooking for 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 Custom Double Deflection Grilles\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/linear-slot-diffuser-quote-request\" target=\"_blank\"\u003eRequest a quote for custom double deflection grilles 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\/flo-matrix-hvac-double-deflection-air-grille-horizontal-front-blades-installed.jpg?v=1781646372\" alt=\"Flo-Matrix HVAC double deflection air grille installed in a commercial HVAC ventilation system for directional airflow control, balanced air distribution, and modern architectural aesthetics\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003ePerformance\u003c\/h5\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" alt=\"Flo-Matrix HVAC vent cover with built-in weather foam strip compared to standard vent covers without foam gasket, showing improved air seal, reduced dust streaks, cleaner ceilings, better airflow efficiency, and lower maintenance requirements for residential and commercial HVAC applications.\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781729213\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\" title=\"High Resolution of Professional HVAC Diffusers vs Mass Produced Diffusers | Quality Comparison Guide\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg style=\"margin-bottom: 16px; float: none;\" alt=\"Flo-Matrix HVAC professional-grade linear slot diffusers and air grilles compared to mass-produced generic store diffusers, highlighting T5 aluminum construction, superior airflow performance, expert technical support, custom manufacturing options, commercial project experience, showroom availability, and long-term HVAC performance benefits.\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eSubmittal\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Double Deflection Air Grille (Front Horizontal Blades) Submittal Sheet High Resolution Download\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Double_Deflection_Air_Grille_Submittal.PDF?v=1750109108\" 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\/Double_Deflection_Air_Grille_Submittal.jpg?v=1750109108\" alt=\"Double Deflection air grilles Submittal Sheet\"\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 style=\"color: rgb(37, 150, 190);\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/double-deflection-vs-single-deflection-air-grilles-which-one-is-right-for-you\" title=\"Double Deflection vs. Single Deflection Air Grilles: Which One Is Right for You?\" rel=\"noopener\" target=\"_blank\"\u003eDouble Deflection vs. Single Deflection Air Grilles: Which One Is Right for You?\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\/horizontal-or-vertical-a-quick-guide-to-double-deflection-air-grille-blades\" title=\"Front Horizontal or Vertical? A Quick Guide to Double Deflection Air Grille Blades\" rel=\"noopener\" target=\"_blank\"\u003eFront Horizontal or Vertical? A Quick Guide to Double Deflection Air Grille Blades\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\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" 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=\"CFD Airflow Analysis Services for Smarter HVAC Design\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/cfd-airflow-analysis-hvac-design\" target=\"_blank\"\u003eCFD Airflow Analysis Services for Smarter HVAC Design\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eDecoding \"Commercial-Grade\" for Your HVAC Specifications\u003c\/h4\u003e\n\u003cp\u003eFor architects and engineers, specifying true commercial-grade HVAC components involves more than just finding a durable product. It's about securing a partnership that provides deep technical support to guarantee your design functions perfectly. This requires complete clarity on material composition and, crucially, certified performance metrics. Essential data includes acoustic levels (NC ratings), system pressure drop, and accurate CFM airflow numbers.\u003c\/p\u003e\n\u003cp\u003eTrust is built on proof, not promises. That's why our air distribution products undergo rigorous independent testing to comply with strict industry standards such as ASHRAE 70-2006 and ADC1062:GRD-84. We go a step further by \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"CFD Airflow Analysis Services for Smarter HVAC Design by Flo-Matrix\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/cfd-airflow-analysis-hvac-design\" target=\"_blank\"\u003eintegrating advanced computer simulations\u003c\/a\u003e\u003c\/span\u003e in our design process. This allows us to refine the aerodynamics and energy performance of our modern linear bar grilles and diffusers long before manufacturing begins.\u003c\/p\u003e\n\u003cp\u003eFor high-performance air distribution solutions you can count on, Flo-Matrix HVAC has been a leading manufacturer for years. We focus on commercial-grade diffusers and linear grilles engineered for the most challenging environments. Have a project on the boards? \u003ca rel=\"noopener\" title=\"Contact Us Form - Flo-Matrix HVAC\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" target=\"_blank\"\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003eOur product experts are here to assist\u003c\/span\u003e\u003c\/a\u003e. Reach out to us at +1-604-437-1527 to talk about your specific requirements.\u003c\/p\u003e\n\u003ch5\u003e\u003cbr\u003e\u003c\/h5\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\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=8ON0uNlEVQBXisuZ\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"Linear Air Diffusers","offers":[{"title":"Default Title","offer_id":41792489455779,"sku":"FWADH\/305x254\/PCWS02","price":29.39,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/12x10-air-grille-double-deflection-horizontal-front-metal.png?v=1776463363"},{"product_id":"16x10-air-grille-double-deflection-horizontal-front","title":"16x10\" Double Deflection Supply Grille \/ Register - Front Horizontal Blades Vent Cover - Flo-Matrix HVAC","description":"\u003ch5\u003eDetails\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eEngineered for precision airflow control, these 16x10 inch double deflection supply air grilles and registers feature independently adjustable blades to direct ventilation exactly where it’s needed. The horizontal front blades manage vertical airflow (up\/down), while vertical rear blades handle side-to-side distribution—giving HVAC installers and architects complete command over comfort conditions. These heavy-duty registers work equally well in sidewall, ceiling, or duct applications, making them ideal for commercial HVAC systems where customizable air patterns matter. With their high free area design, they maintain strong airflow while reducing whistling and pressure drops—critical for quiet, efficient operation. Unlike standard supply grilles, the dual-adjustment system prevents drafts by letting professionals fine-tune both the throw distance and spread pattern. Whether retrofitting existing spaces or designing new installations, these adaptable air registers solve common airflow challenges without sacrificing performance. \u003cstrong\u003eProfessional installation recommended.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision 16x10\" Duct Opening: \u003c\/strong\u003eEngineered for a perfect fit on standard 16x10” ductwork, this double deflection grille ensures optimal compatibility for a seamless HVAC integration. \u003cem\u003ePlease confirm exact measurements with our sizing chart\u003c\/em\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuperior Airflow Control:\u003c\/strong\u003e Features front horizontal blades for precise, multi-directional airflow management, allowing you to expertly direct comfort where it's needed most.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrevents Ceiling Stains:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eA built-in weather-stripping gasket stops air leaks, shielding your ceiling from dust buildup and ensuring optimal airflow direction.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClean, Architectural Aesthetic:\u003c\/strong\u003e Designed for a flawless look with no visible pre-drilled holes. Fastening is discreetly located on the inner border sides to maintain the grille's sleek, modern profile.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommercial-Grade Aluminum Build:\u003c\/strong\u003e Constructed from \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca style=\"color: rgb(37, 150, 190);\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/why-6063-t5-aluminum-is-great-for-linear-slot-diffuser-vent-covers\" title=\"Why 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\" rel=\"noopener\" target=\"_blank\"\u003esolid extruded 6063-T5 aluminum\u003c\/a\u003e\u003c\/span\u003e, this heavy-duty air register is built for exceptional durability and reliable, long-term performance in demanding environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Matte White Finish:\u003c\/strong\u003e Coated with a strong matte white powder coat that provides superior resistance to fading, corrosion, and everyday wear, ensuring the finish lasts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlexible Installation Options:\u003c\/strong\u003e This grille is supplied without fasteners to provide installers with the flexibility to choose the best mounting hardware for their specific substrate and project requirements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTailor your Airflow Performance: \u003c\/strong\u003eUnlock the full potential of your HVAC system by pairing this air register with a matching \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/pages\/custom-hvac-plenums\" title=\"Custom Plenum Box - Built to your specifications by Flo-Matrix HVAC\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003ecustom plenum box\u003c\/a\u003e\u003c\/span\u003e (sold separately) to achieve perfectly balanced and optimized airflow for your specific space.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShips worldwide from our Vancouver, Canada facility. Local pickup is also available at our showroom.\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eLooking for 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 Custom Double Deflection Grilles\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/linear-slot-diffuser-quote-request\" target=\"_blank\"\u003eRequest a quote for custom double deflection grilles 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\/flo-matrix-hvac-double-deflection-air-grille-horizontal-front-blades-installed.jpg?v=1781646372\" alt=\"Flo-Matrix HVAC double deflection air grille installed in a commercial HVAC ventilation system for directional airflow control, balanced air distribution, and modern architectural aesthetics\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003ePerformance\u003c\/h5\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" alt=\"Flo-Matrix HVAC vent cover with built-in weather foam strip compared to standard vent covers without foam gasket, showing improved air seal, reduced dust streaks, cleaner ceilings, better airflow efficiency, and lower maintenance requirements for residential and commercial HVAC applications.\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781729213\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\" title=\"High Resolution of Professional HVAC Diffusers vs Mass Produced Diffusers | Quality Comparison Guide\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg style=\"margin-bottom: 16px; float: none;\" alt=\"Flo-Matrix HVAC professional-grade linear slot diffusers and air grilles compared to mass-produced generic store diffusers, highlighting T5 aluminum construction, superior airflow performance, expert technical support, custom manufacturing options, commercial project experience, showroom availability, and long-term HVAC performance benefits.\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\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=\"Double Deflection Air Grille (Front Horizontal Blades) Submittal Sheet High Resolution Download\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Double_Deflection_Air_Grille_Submittal.PDF?v=1750109108\" 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=\"Double Deflection air grilles Submittal Sheet\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Double_Deflection_Air_Grille_Submittal.jpg?v=1750109108\"\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 style=\"color: rgb(37, 150, 190);\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/double-deflection-vs-single-deflection-air-grilles-which-one-is-right-for-you\" title=\"Double Deflection vs. Single Deflection Air Grilles: Which One Is Right for You?\" rel=\"noopener\" target=\"_blank\"\u003eDouble Deflection vs. Single Deflection Air Grilles: Which One Is Right for You?\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\/horizontal-or-vertical-a-quick-guide-to-double-deflection-air-grille-blades\" title=\"Front Horizontal or Vertical? A Quick Guide to Double Deflection Air Grille Blades\" rel=\"noopener\" target=\"_blank\"\u003eFront Horizontal or Vertical? A Quick Guide to Double Deflection Air Grille Blades\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\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" 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=\"CFD Airflow Analysis Services for Smarter HVAC Design\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/cfd-airflow-analysis-hvac-design\" target=\"_blank\"\u003eCFD Airflow Analysis Services for Smarter HVAC Design\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eDecoding \"Commercial-Grade\" for Your HVAC Specifications\u003c\/h4\u003e\n\u003cp\u003eFor architects and engineers, specifying true commercial-grade HVAC components involves more than just finding a durable product. It's about securing a partnership that provides deep technical support to guarantee your design functions perfectly. This requires complete clarity on material composition and, crucially, certified performance metrics. Essential data includes acoustic levels (NC ratings), system pressure drop, and accurate CFM airflow numbers.\u003c\/p\u003e\n\u003cp\u003eTrust is built on proof, not promises. That's why our air distribution products undergo rigorous independent testing to comply with strict industry standards such as ASHRAE 70-2006 and ADC1062:GRD-84. We go a step further by \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"CFD Airflow Analysis Services for Smarter HVAC Design by Flo-Matrix\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/cfd-airflow-analysis-hvac-design\" target=\"_blank\"\u003eintegrating advanced computer simulations\u003c\/a\u003e\u003c\/span\u003e in our design process. This allows us to refine the aerodynamics and energy performance of our modern linear bar grilles and diffusers long before manufacturing begins.\u003c\/p\u003e\n\u003cp\u003eFor high-performance air distribution solutions you can count on, Flo-Matrix HVAC has been a leading manufacturer for years. We focus on commercial-grade diffusers and linear grilles engineered for the most challenging environments. Have a project on the boards? \u003ca rel=\"noopener\" title=\"Contact Us Form - Flo-Matrix HVAC\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" target=\"_blank\"\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003eOur product experts are here to assist\u003c\/span\u003e\u003c\/a\u003e. Reach out to us at +1-604-437-1527 to talk about your specific requirements.\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\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=8ON0uNlEVQBXisuZ\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"Linear Air Diffusers","offers":[{"title":"Default Title","offer_id":41792498860195,"sku":"FWADH\/406x254\/PCWS02","price":32.39,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/16x10-air-grille-double-deflection-horizontal-front-metal.png?v=1776376625"},{"product_id":"16x12-air-grille-double-deflection-horizontal-front","title":"16x12\" Double Deflection Supply Grille \/ Register - Front Horizontal Blades Vent Cover - Flo-Matrix HVAC","description":"\u003ch5\u003eDetails\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eEngineered for precision airflow control, these 16x12 inch double deflection supply air grilles and registers feature independently adjustable blades to direct ventilation exactly where it’s needed. The horizontal front blades manage vertical airflow (up\/down), while vertical rear blades handle side-to-side distribution—giving HVAC installers and architects complete command over comfort conditions. These heavy-duty registers work equally well in sidewall, ceiling, or duct applications, making them ideal for commercial HVAC systems where customizable air patterns matter. With their high free area design, they maintain strong airflow while reducing whistling and pressure drops—critical for quiet, efficient operation. Unlike standard supply grilles, the dual-adjustment system prevents drafts by letting professionals fine-tune both the throw distance and spread pattern. Whether retrofitting existing spaces or designing new installations, these adaptable air registers solve common airflow challenges without sacrificing performance. \u003cstrong\u003eProfessional installation recommended.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision 16x12\" Duct Opening: \u003c\/strong\u003eEngineered for a perfect fit on standard 16x12” ductwork, this double deflection grille ensures optimal compatibility for a seamless HVAC integration. \u003cem\u003ePlease confirm exact measurements with our sizing chart\u003c\/em\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuperior Airflow Control:\u003c\/strong\u003e Features front horizontal blades for precise, multi-directional airflow management, allowing you to expertly direct comfort where it's needed most.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrevents Ceiling Stains:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eA built-in weather-stripping gasket stops air leaks, shielding your ceiling from dust buildup and ensuring optimal airflow direction.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClean, Architectural Aesthetic:\u003c\/strong\u003e Designed for a flawless look with no visible pre-drilled holes. Fastening is discreetly located on the inner border sides to maintain the grille's sleek, modern profile.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommercial-Grade Aluminum Build:\u003c\/strong\u003e Constructed from \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca style=\"color: rgb(37, 150, 190);\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/why-6063-t5-aluminum-is-great-for-linear-slot-diffuser-vent-covers\" title=\"Why 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\" rel=\"noopener\" target=\"_blank\"\u003esolid extruded 6063-T5 aluminum\u003c\/a\u003e\u003c\/span\u003e, this heavy-duty air register is built for exceptional durability and reliable, long-term performance in demanding environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Matte White Finish:\u003c\/strong\u003e Coated with a strong matte white powder coat that provides superior resistance to fading, corrosion, and everyday wear, ensuring the finish lasts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlexible Installation Options:\u003c\/strong\u003e This grille is supplied without fasteners to provide installers with the flexibility to choose the best mounting hardware for their specific substrate and project requirements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTailor your Airflow Performance: \u003c\/strong\u003eUnlock the full potential of your HVAC system by pairing this air register with a matching \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/pages\/custom-hvac-plenums\" title=\"Custom Plenum Box - Built to your specifications by Flo-Matrix HVAC\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003ecustom plenum box\u003c\/a\u003e\u003c\/span\u003e (sold separately) to achieve perfectly balanced and optimized airflow for your specific space.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShips worldwide from our Vancouver, Canada facility. Local pickup is also available at our showroom.\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eLooking for 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 Custom Double Deflection Grilles\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/linear-slot-diffuser-quote-request\" target=\"_blank\"\u003eRequest a quote for custom double deflection grilles 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\/flo-matrix-hvac-double-deflection-air-grille-horizontal-front-blades-installed.jpg?v=1781646372\" alt=\"Flo-Matrix HVAC double deflection air grille installed in a commercial HVAC ventilation system for directional airflow control, balanced air distribution, and modern architectural aesthetics\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003ePerformance\u003c\/h5\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" alt=\"Flo-Matrix HVAC vent cover with built-in weather foam strip compared to standard vent covers without foam gasket, showing improved air seal, reduced dust streaks, cleaner ceilings, better airflow efficiency, and lower maintenance requirements for residential and commercial HVAC applications.\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781729213\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\" title=\"High Resolution of Professional HVAC Diffusers vs Mass Produced Diffusers | Quality Comparison Guide\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg style=\"margin-bottom: 16px; float: none;\" alt=\"Flo-Matrix HVAC professional-grade linear slot diffusers and air grilles compared to mass-produced generic store diffusers, highlighting T5 aluminum construction, superior airflow performance, expert technical support, custom manufacturing options, commercial project experience, showroom availability, and long-term HVAC performance benefits.\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eSubmittal\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Double Deflection Air Grille (Front Horizontal Blades) Submittal Sheet High Resolution Download\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Double_Deflection_Air_Grille_Submittal.PDF?v=1750109108\" 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=\"Double Deflection air grilles Submittal Sheet\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Double_Deflection_Air_Grille_Submittal.jpg?v=1750109108\"\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 style=\"color: rgb(37, 150, 190);\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/double-deflection-vs-single-deflection-air-grilles-which-one-is-right-for-you\" title=\"Double Deflection vs. Single Deflection Air Grilles: Which One Is Right for You?\" rel=\"noopener\" target=\"_blank\"\u003eDouble Deflection vs. Single Deflection Air Grilles: Which One Is Right for You?\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\/horizontal-or-vertical-a-quick-guide-to-double-deflection-air-grille-blades\" title=\"Front Horizontal or Vertical? A Quick Guide to Double Deflection Air Grille Blades\" rel=\"noopener\" target=\"_blank\"\u003eFront Horizontal or Vertical? A Quick Guide to Double Deflection Air Grille Blades\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\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" 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=\"CFD Airflow Analysis Services for Smarter HVAC Design\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/cfd-airflow-analysis-hvac-design\" target=\"_blank\"\u003eCFD Airflow Analysis Services for Smarter HVAC Design\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eDecoding \"Commercial-Grade\" for Your HVAC Specifications\u003c\/h4\u003e\n\u003cp\u003eFor architects and engineers, specifying true commercial-grade HVAC components involves more than just finding a durable product. It's about securing a partnership that provides deep technical support to guarantee your design functions perfectly. This requires complete clarity on material composition and, crucially, certified performance metrics. Essential data includes acoustic levels (NC ratings), system pressure drop, and accurate CFM airflow numbers.\u003c\/p\u003e\n\u003cp\u003eTrust is built on proof, not promises. That's why our air distribution products undergo rigorous independent testing to comply with strict industry standards such as ASHRAE 70-2006 and ADC1062:GRD-84. We go a step further by \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"CFD Airflow Analysis Services for Smarter HVAC Design by Flo-Matrix\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/cfd-airflow-analysis-hvac-design\" target=\"_blank\"\u003eintegrating advanced computer simulations\u003c\/a\u003e\u003c\/span\u003e in our design process. This allows us to refine the aerodynamics and energy performance of our modern linear bar grilles and diffusers long before manufacturing begins.\u003c\/p\u003e\n\u003cp\u003eFor high-performance air distribution solutions you can count on, Flo-Matrix HVAC has been a leading manufacturer for years. We focus on commercial-grade diffusers and linear grilles engineered for the most challenging environments. Have a project on the boards? \u003ca rel=\"noopener\" title=\"Contact Us Form - Flo-Matrix HVAC\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" target=\"_blank\"\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003eOur product experts are here to assist\u003c\/span\u003e\u003c\/a\u003e. Reach out to us at +1-604-437-1527 to talk about your specific requirements.\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\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=8ON0uNlEVQBXisuZ\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"Linear Air Diffusers","offers":[{"title":"Default Title","offer_id":41803416305827,"sku":"FWADH\/406x305\/PCWS02","price":36.35,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/16x12-air-grille-double-deflection-horizontal-front-metal.png?v=1776463894"},{"product_id":"18x14-air-grille-double-deflection-horizontal-front","title":"18x14\" Double Deflection Supply Grille \/ Register - Front Horizontal Blades Vent Cover - Flo-Matrix HVAC","description":"\u003ch5\u003eDetails\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eEngineered for precision airflow control, these 18x14 inch double deflection supply air grilles and registers feature independently adjustable blades to direct ventilation exactly where it’s needed. The horizontal front blades manage vertical airflow (up\/down), while vertical rear blades handle side-to-side distribution—giving HVAC installers and architects complete command over comfort conditions. These heavy-duty registers work equally well in sidewall, ceiling, or duct applications, making them ideal for commercial HVAC systems where customizable air patterns matter. With their high free area design, they maintain strong airflow while reducing whistling and pressure drops—critical for quiet, efficient operation. Unlike standard supply grilles, the dual-adjustment system prevents drafts by letting professionals fine-tune both the throw distance and spread pattern. Whether retrofitting existing spaces or designing new installations, these adaptable air registers solve common airflow challenges without sacrificing performance. \u003cstrong\u003eProfessional installation recommended.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision 18x14\" Duct Opening: \u003c\/strong\u003eEngineered for a perfect fit on standard 18x14” ductwork, this double deflection grille ensures optimal compatibility for a seamless HVAC integration. \u003cem\u003ePlease confirm exact measurements with our sizing chart\u003c\/em\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuperior Airflow Control:\u003c\/strong\u003e Features front horizontal blades for precise, multi-directional airflow management, allowing you to expertly direct comfort where it's needed most.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrevents Ceiling Stains:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eA built-in weather-stripping gasket stops air leaks, shielding your ceiling from dust buildup and ensuring optimal airflow direction.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClean, Architectural Aesthetic:\u003c\/strong\u003e Designed for a flawless look with no visible pre-drilled holes. Fastening is discreetly located on the inner border sides to maintain the grille's sleek, modern profile.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommercial-Grade Aluminum Build:\u003c\/strong\u003e Constructed from \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca style=\"color: rgb(37, 150, 190);\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/why-6063-t5-aluminum-is-great-for-linear-slot-diffuser-vent-covers\" title=\"Why 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\" rel=\"noopener\" target=\"_blank\"\u003esolid extruded 6063-T5 aluminum\u003c\/a\u003e\u003c\/span\u003e, this heavy-duty air register is built for exceptional durability and reliable, long-term performance in demanding environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Matte White Finish:\u003c\/strong\u003e Coated with a strong matte white powder coat that provides superior resistance to fading, corrosion, and everyday wear, ensuring the finish lasts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlexible Installation Options:\u003c\/strong\u003e This grille is supplied without fasteners to provide installers with the flexibility to choose the best mounting hardware for their specific substrate and project requirements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTailor your Airflow Performance: \u003c\/strong\u003eUnlock the full potential of your HVAC system by pairing this air register with a matching \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/pages\/custom-hvac-plenums\" title=\"Custom Plenum Box - Built to your specifications by Flo-Matrix HVAC\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003ecustom plenum box\u003c\/a\u003e\u003c\/span\u003e (sold separately) to achieve perfectly balanced and optimized airflow for your specific space.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShips worldwide from our Vancouver, Canada facility. Local pickup is also available at our showroom.\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eLooking for 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 Custom Double Deflection Grilles\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/linear-slot-diffuser-quote-request\" target=\"_blank\"\u003eRequest a quote for custom double deflection grilles 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\/flo-matrix-hvac-double-deflection-air-grille-horizontal-front-blades-installed.jpg?v=1781646372\" alt=\"Flo-Matrix HVAC double deflection air grille installed in a commercial HVAC ventilation system for directional airflow control, balanced air distribution, and modern architectural aesthetics\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003ePerformance\u003c\/h5\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" alt=\"Flo-Matrix HVAC vent cover with built-in weather foam strip compared to standard vent covers without foam gasket, showing improved air seal, reduced dust streaks, cleaner ceilings, better airflow efficiency, and lower maintenance requirements for residential and commercial HVAC applications.\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781729213\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\" title=\"High Resolution of Professional HVAC Diffusers vs Mass Produced Diffusers | Quality Comparison Guide\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg style=\"margin-bottom: 16px; float: none;\" alt=\"Flo-Matrix HVAC professional-grade linear slot diffusers and air grilles compared to mass-produced generic store diffusers, highlighting T5 aluminum construction, superior airflow performance, expert technical support, custom manufacturing options, commercial project experience, showroom availability, and long-term HVAC performance benefits.\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\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=\"Double Deflection Air Grille (Front Horizontal Blades) Submittal Sheet High Resolution Download\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Double_Deflection_Air_Grille_Submittal.PDF?v=1750109108\" 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=\"Double Deflection air grilles Submittal Sheet\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Double_Deflection_Air_Grille_Submittal.jpg?v=1750109108\"\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 style=\"color: rgb(37, 150, 190);\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/double-deflection-vs-single-deflection-air-grilles-which-one-is-right-for-you\" title=\"Double Deflection vs. Single Deflection Air Grilles: Which One Is Right for You?\" rel=\"noopener\" target=\"_blank\"\u003eDouble Deflection vs. Single Deflection Air Grilles: Which One Is Right for You?\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\/horizontal-or-vertical-a-quick-guide-to-double-deflection-air-grille-blades\" title=\"Front Horizontal or Vertical? A Quick Guide to Double Deflection Air Grille Blades\" rel=\"noopener\" target=\"_blank\"\u003eFront Horizontal or Vertical? A Quick Guide to Double Deflection Air Grille Blades\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\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" 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=\"CFD Airflow Analysis Services for Smarter HVAC Design\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/cfd-airflow-analysis-hvac-design\" target=\"_blank\"\u003eCFD Airflow Analysis Services for Smarter HVAC Design\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eDecoding \"Commercial-Grade\" for Your HVAC Specifications\u003c\/h4\u003e\n\u003cp\u003eFor architects and engineers, specifying true commercial-grade HVAC components involves more than just finding a durable product. It's about securing a partnership that provides deep technical support to guarantee your design functions perfectly. This requires complete clarity on material composition and, crucially, certified performance metrics. Essential data includes acoustic levels (NC ratings), system pressure drop, and accurate CFM airflow numbers.\u003c\/p\u003e\n\u003cp\u003eTrust is built on proof, not promises. That's why our air distribution products undergo rigorous independent testing to comply with strict industry standards such as ASHRAE 70-2006 and ADC1062:GRD-84. We go a step further by \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"CFD Airflow Analysis Services for Smarter HVAC Design by Flo-Matrix\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/cfd-airflow-analysis-hvac-design\" target=\"_blank\"\u003eintegrating advanced computer simulations\u003c\/a\u003e\u003c\/span\u003e in our design process. This allows us to refine the aerodynamics and energy performance of our modern linear bar grilles and diffusers long before manufacturing begins.\u003c\/p\u003e\n\u003cp\u003eFor high-performance air distribution solutions you can count on, Flo-Matrix HVAC has been a leading manufacturer for years. We focus on commercial-grade diffusers and linear grilles engineered for the most challenging environments. Have a project on the boards? \u003ca rel=\"noopener\" title=\"Contact Us Form - Flo-Matrix HVAC\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" target=\"_blank\"\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003eOur product experts are here to assist\u003c\/span\u003e\u003c\/a\u003e. Reach out to us at +1-604-437-1527 to talk about your specific requirements.\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\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=8ON0uNlEVQBXisuZ\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"Linear Air Diffusers","offers":[{"title":"Default Title","offer_id":41803438227619,"sku":"FWADH\/457x356\/PCWS02","price":47.03,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/18x14-air-grille-double-deflection-horizontal-front-metal.png?v=1776382295"},{"product_id":"22x14-air-grille-double-deflection-horizontal-front","title":"22x14\" Double Deflection Supply Grille \/ Register - Front Horizontal Blades Vent Cover - Flo-Matrix HVAC","description":"\u003ch5\u003eDetails\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eEngineered for precision airflow control, these 22x14 inch double deflection supply air grilles and registers feature independently adjustable blades to direct ventilation exactly where it’s needed. The horizontal front blades manage vertical airflow (up\/down), while vertical rear blades handle side-to-side distribution—giving HVAC installers and architects complete command over comfort conditions. These heavy-duty registers work equally well in sidewall, ceiling, or duct applications, making them ideal for commercial HVAC systems where customizable air patterns matter. With their high free area design, they maintain strong airflow while reducing whistling and pressure drops—critical for quiet, efficient operation. Unlike standard supply grilles, the dual-adjustment system prevents drafts by letting professionals fine-tune both the throw distance and spread pattern. Whether retrofitting existing spaces or designing new installations, these adaptable air registers solve common airflow challenges without sacrificing performance. \u003cstrong\u003eProfessional installation recommended.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision 22x14\" Duct Opening: \u003c\/strong\u003eEngineered for a perfect fit on standard 22x14” ductwork, this double deflection grille ensures optimal compatibility for a seamless HVAC integration. \u003cem\u003ePlease confirm exact measurements with our sizing chart\u003c\/em\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuperior Airflow Control:\u003c\/strong\u003e Features front horizontal blades for precise, multi-directional airflow management, allowing you to expertly direct comfort where it's needed most.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrevents Ceiling Stains:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eA built-in weather-stripping gasket stops air leaks, shielding your ceiling from dust buildup and ensuring optimal airflow direction.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClean, Architectural Aesthetic:\u003c\/strong\u003e Designed for a flawless look with no visible pre-drilled holes. Fastening is discreetly located on the inner border sides to maintain the grille's sleek, modern profile.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommercial-Grade Aluminum Build:\u003c\/strong\u003e Constructed from \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca style=\"color: rgb(37, 150, 190);\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/why-6063-t5-aluminum-is-great-for-linear-slot-diffuser-vent-covers\" title=\"Why 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\" rel=\"noopener\" target=\"_blank\"\u003esolid extruded 6063-T5 aluminum\u003c\/a\u003e\u003c\/span\u003e, this heavy-duty air register is built for exceptional durability and reliable, long-term performance in demanding environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Matte White Finish:\u003c\/strong\u003e Coated with a strong matte white powder coat that provides superior resistance to fading, corrosion, and everyday wear, ensuring the finish lasts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlexible Installation Options:\u003c\/strong\u003e This grille is supplied without fasteners to provide installers with the flexibility to choose the best mounting hardware for their specific substrate and project requirements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTailor your Airflow Performance: \u003c\/strong\u003eUnlock the full potential of your HVAC system by pairing this air register with a matching \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/pages\/custom-hvac-plenums\" title=\"Custom Plenum Box - Built to your specifications by Flo-Matrix HVAC\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003ecustom plenum box\u003c\/a\u003e\u003c\/span\u003e (sold separately) to achieve perfectly balanced and optimized airflow for your specific space.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShips worldwide from our Vancouver, Canada facility. Local pickup is also available at our showroom.\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eLooking for 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 Custom Double Deflection Grilles\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/linear-slot-diffuser-quote-request\" target=\"_blank\"\u003eRequest a quote for custom double deflection grilles 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\/flo-matrix-hvac-double-deflection-air-grille-horizontal-front-blades-installed.jpg?v=1781646372\" alt=\"Flo-Matrix HVAC double deflection air grille installed in a commercial HVAC ventilation system for directional airflow control, balanced air distribution, and modern architectural aesthetics\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003ePerformance\u003c\/h5\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" alt=\"Flo-Matrix HVAC vent cover with built-in weather foam strip compared to standard vent covers without foam gasket, showing improved air seal, reduced dust streaks, cleaner ceilings, better airflow efficiency, and lower maintenance requirements for residential and commercial HVAC applications.\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781729213\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\" title=\"High Resolution of Professional HVAC Diffusers vs Mass Produced Diffusers | Quality Comparison Guide\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg style=\"margin-bottom: 16px; float: none;\" alt=\"Flo-Matrix HVAC professional-grade linear slot diffusers and air grilles compared to mass-produced generic store diffusers, highlighting T5 aluminum construction, superior airflow performance, expert technical support, custom manufacturing options, commercial project experience, showroom availability, and long-term HVAC performance benefits.\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eSubmittal\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Double Deflection Air Grille (Front Horizontal Blades) Submittal Sheet High Resolution Download\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Double_Deflection_Air_Grille_Submittal.PDF?v=1750109108\" 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\/Double_Deflection_Air_Grille_Submittal.jpg?v=1750109108\" alt=\"Double Deflection air grilles Submittal Sheet\"\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 style=\"color: rgb(37, 150, 190);\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/double-deflection-vs-single-deflection-air-grilles-which-one-is-right-for-you\" title=\"Double Deflection vs. Single Deflection Air Grilles: Which One Is Right for You?\" rel=\"noopener\" target=\"_blank\"\u003eDouble Deflection vs. Single Deflection Air Grilles: Which One Is Right for You?\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\/horizontal-or-vertical-a-quick-guide-to-double-deflection-air-grille-blades\" title=\"Front Horizontal or Vertical? A Quick Guide to Double Deflection Air Grille Blades\" rel=\"noopener\" target=\"_blank\"\u003eFront Horizontal or Vertical? A Quick Guide to Double Deflection Air Grille Blades\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\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" 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=\"CFD Airflow Analysis Services for Smarter HVAC Design\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/cfd-airflow-analysis-hvac-design\" target=\"_blank\"\u003eCFD Airflow Analysis Services for Smarter HVAC Design\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eDecoding \"Commercial-Grade\" for Your HVAC Specifications\u003c\/h4\u003e\n\u003cp\u003eFor architects and engineers, specifying true commercial-grade HVAC components involves more than just finding a durable product. It's about securing a partnership that provides deep technical support to guarantee your design functions perfectly. This requires complete clarity on material composition and, crucially, certified performance metrics. Essential data includes acoustic levels (NC ratings), system pressure drop, and accurate CFM airflow numbers.\u003c\/p\u003e\n\u003cp\u003eTrust is built on proof, not promises. That's why our air distribution products undergo rigorous independent testing to comply with strict industry standards such as ASHRAE 70-2006 and ADC1062:GRD-84. We go a step further by \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"CFD Airflow Analysis Services for Smarter HVAC Design by Flo-Matrix\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/cfd-airflow-analysis-hvac-design\" target=\"_blank\"\u003eintegrating advanced computer simulations\u003c\/a\u003e\u003c\/span\u003e in our design process. This allows us to refine the aerodynamics and energy performance of our modern linear bar grilles and diffusers long before manufacturing begins.\u003c\/p\u003e\n\u003cp\u003eFor high-performance air distribution solutions you can count on, Flo-Matrix HVAC has been a leading manufacturer for years. We focus on commercial-grade diffusers and linear grilles engineered for the most challenging environments. Have a project on the boards? \u003ca rel=\"noopener\" title=\"Contact Us Form - Flo-Matrix HVAC\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" target=\"_blank\"\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003eOur product experts are here to assist\u003c\/span\u003e\u003c\/a\u003e. Reach out to us at +1-604-437-1527 to talk about your specific requirements.\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\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=8ON0uNlEVQBXisuZ\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"Linear Air Diffusers","offers":[{"title":"Default Title","offer_id":41803441504419,"sku":"FWADH\/559x356\/PCWS02","price":67.16,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/22x14-air-grille-double-deflection-horizontal-front-metal.png?v=1776383385"},{"product_id":"18x16-air-grille-double-deflection-horizontal-front","title":"18x16\" Double Deflection Supply Grille \/ Register - Front Horizontal Blades Vent Cover - Flo-Matrix HVAC","description":"\u003ch5\u003eDetails\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eEngineered for precision airflow control, these 18x16 inch double deflection supply air grilles and registers feature independently adjustable blades to direct ventilation exactly where it’s needed. The horizontal front blades manage vertical airflow (up\/down), while vertical rear blades handle side-to-side distribution—giving HVAC installers and architects complete command over comfort conditions. These heavy-duty registers work equally well in sidewall, ceiling, or duct applications, making them ideal for commercial HVAC systems where customizable air patterns matter. With their high free area design, they maintain strong airflow while reducing whistling and pressure drops—critical for quiet, efficient operation. Unlike standard supply grilles, the dual-adjustment system prevents drafts by letting professionals fine-tune both the throw distance and spread pattern. Whether retrofitting existing spaces or designing new installations, these adaptable air registers solve common airflow challenges without sacrificing performance. \u003cstrong\u003eProfessional installation recommended.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision 18x16\" Duct Opening: \u003c\/strong\u003eEngineered for a perfect fit on standard 18x16” ductwork, this double deflection grille ensures optimal compatibility for a seamless HVAC integration. \u003cem\u003ePlease confirm exact measurements with our sizing chart\u003c\/em\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuperior Airflow Control:\u003c\/strong\u003e Features front horizontal blades for precise, multi-directional airflow management, allowing you to expertly direct comfort where it's needed most.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrevents Ceiling Stains:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eA built-in weather-stripping gasket stops air leaks, shielding your ceiling from dust buildup and ensuring optimal airflow direction.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClean, Architectural Aesthetic:\u003c\/strong\u003e Designed for a flawless look with no visible pre-drilled holes. Fastening is discreetly located on the inner border sides to maintain the grille's sleek, modern profile.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommercial-Grade Aluminum Build:\u003c\/strong\u003e Constructed from \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca style=\"color: rgb(37, 150, 190);\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/why-6063-t5-aluminum-is-great-for-linear-slot-diffuser-vent-covers\" title=\"Why 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\" rel=\"noopener\" target=\"_blank\"\u003esolid extruded 6063-T5 aluminum\u003c\/a\u003e\u003c\/span\u003e, this heavy-duty air register is built for exceptional durability and reliable, long-term performance in demanding environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Matte White Finish:\u003c\/strong\u003e Coated with a strong matte white powder coat that provides superior resistance to fading, corrosion, and everyday wear, ensuring the finish lasts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlexible Installation Options:\u003c\/strong\u003e This grille is supplied without fasteners to provide installers with the flexibility to choose the best mounting hardware for their specific substrate and project requirements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTailor your Airflow Performance: \u003c\/strong\u003eUnlock the full potential of your HVAC system by pairing this air register with a matching \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/pages\/custom-hvac-plenums\" title=\"Custom Plenum Box - Built to your specifications by Flo-Matrix HVAC\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003ecustom plenum box\u003c\/a\u003e\u003c\/span\u003e (sold separately) to achieve perfectly balanced and optimized airflow for your specific space.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShips worldwide from our Vancouver, Canada facility. Local pickup is also available at our showroom.\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eLooking for 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 Custom Double Deflection Grilles\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/linear-slot-diffuser-quote-request\" target=\"_blank\"\u003eRequest a quote for custom double deflection grilles 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\/flo-matrix-hvac-double-deflection-air-grille-horizontal-front-blades-installed.jpg?v=1781646372\" alt=\"Flo-Matrix HVAC double deflection air grille installed in a commercial HVAC ventilation system for directional airflow control, balanced air distribution, and modern architectural aesthetics\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003ePerformance\u003c\/h5\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" alt=\"Flo-Matrix HVAC vent cover with built-in weather foam strip compared to standard vent covers without foam gasket, showing improved air seal, reduced dust streaks, cleaner ceilings, better airflow efficiency, and lower maintenance requirements for residential and commercial HVAC applications.\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781729213\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\" title=\"High Resolution of Professional HVAC Diffusers vs Mass Produced Diffusers | Quality Comparison Guide\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg style=\"margin-bottom: 16px; float: none;\" alt=\"Flo-Matrix HVAC professional-grade linear slot diffusers and air grilles compared to mass-produced generic store diffusers, highlighting T5 aluminum construction, superior airflow performance, expert technical support, custom manufacturing options, commercial project experience, showroom availability, and long-term HVAC performance benefits.\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eSubmittal\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Double Deflection Air Grille (Front Horizontal Blades) Submittal Sheet High Resolution Download\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Double_Deflection_Air_Grille_Submittal.PDF?v=1750109108\" 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\/Double_Deflection_Air_Grille_Submittal.jpg?v=1750109108\" alt=\"Double Deflection air grilles Submittal Sheet\"\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 style=\"color: rgb(37, 150, 190);\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/double-deflection-vs-single-deflection-air-grilles-which-one-is-right-for-you\" title=\"Double Deflection vs. Single Deflection Air Grilles: Which One Is Right for You?\" rel=\"noopener\" target=\"_blank\"\u003eDouble Deflection vs. Single Deflection Air Grilles: Which One Is Right for You?\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\/horizontal-or-vertical-a-quick-guide-to-double-deflection-air-grille-blades\" title=\"Front Horizontal or Vertical? A Quick Guide to Double Deflection Air Grille Blades\" rel=\"noopener\" target=\"_blank\"\u003eFront Horizontal or Vertical? A Quick Guide to Double Deflection Air Grille Blades\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\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" 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=\"CFD Airflow Analysis Services for Smarter HVAC Design\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/cfd-airflow-analysis-hvac-design\" target=\"_blank\"\u003eCFD Airflow Analysis Services for Smarter HVAC Design\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eDecoding \"Commercial-Grade\" for Your HVAC Specifications\u003c\/h4\u003e\n\u003cp\u003eFor architects and engineers, specifying true commercial-grade HVAC components involves more than just finding a durable product. It's about securing a partnership that provides deep technical support to guarantee your design functions perfectly. This requires complete clarity on material composition and, crucially, certified performance metrics. Essential data includes acoustic levels (NC ratings), system pressure drop, and accurate CFM airflow numbers.\u003c\/p\u003e\n\u003cp\u003eTrust is built on proof, not promises. That's why our air distribution products undergo rigorous independent testing to comply with strict industry standards such as ASHRAE 70-2006 and ADC1062:GRD-84. We go a step further by \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"CFD Airflow Analysis Services for Smarter HVAC Design by Flo-Matrix\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/cfd-airflow-analysis-hvac-design\" target=\"_blank\"\u003eintegrating advanced computer simulations\u003c\/a\u003e\u003c\/span\u003e in our design process. This allows us to refine the aerodynamics and energy performance of our modern linear bar grilles and diffusers long before manufacturing begins.\u003c\/p\u003e\n\u003cp\u003eFor high-performance air distribution solutions you can count on, Flo-Matrix HVAC has been a leading manufacturer for years. We focus on commercial-grade diffusers and linear grilles engineered for the most challenging environments. Have a project on the boards? \u003ca rel=\"noopener\" title=\"Contact Us Form - Flo-Matrix HVAC\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" target=\"_blank\"\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003eOur product experts are here to assist\u003c\/span\u003e\u003c\/a\u003e. Reach out to us at +1-604-437-1527 to talk about your specific requirements.\u003c\/p\u003e\n\u003cp\u003e \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\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=8ON0uNlEVQBXisuZ\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"Linear Air Diffusers","offers":[{"title":"Default Title","offer_id":41803445469347,"sku":"FWADH\/457x406\/PCWS02","price":58.54,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/18x16-air-grille-double-deflection-horizontal-front-metal.png?v=1776383705"},{"product_id":"22x16-air-grille-double-deflection-horizontal-front","title":"22x16\" Double Deflection Supply Grille \/ Register - Front Horizontal Blades Vent Cover - Flo-Matrix HVAC","description":"\u003ch5\u003eDetails\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eEngineered for precision airflow control, these 22x16 inch double deflection supply air grilles and registers feature independently adjustable blades to direct ventilation exactly where it’s needed. The horizontal front blades manage vertical airflow (up\/down), while vertical rear blades handle side-to-side distribution—giving HVAC installers and architects complete command over comfort conditions. These heavy-duty registers work equally well in sidewall, ceiling, or duct applications, making them ideal for commercial HVAC systems where customizable air patterns matter. With their high free area design, they maintain strong airflow while reducing whistling and pressure drops—critical for quiet, efficient operation. Unlike standard supply grilles, the dual-adjustment system prevents drafts by letting professionals fine-tune both the throw distance and spread pattern. Whether retrofitting existing spaces or designing new installations, these adaptable air registers solve common airflow challenges without sacrificing performance. \u003cstrong\u003eProfessional installation recommended.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision 22x16\" Duct Opening: \u003c\/strong\u003eEngineered for a perfect fit on standard 22x16” ductwork, this double deflection grille ensures optimal compatibility for a seamless HVAC integration. \u003cem\u003ePlease confirm exact measurements with our sizing chart\u003c\/em\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuperior Airflow Control:\u003c\/strong\u003e Features front horizontal blades for precise, multi-directional airflow management, allowing you to expertly direct comfort where it's needed most.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrevents Ceiling Stains:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eA built-in weather-stripping gasket stops air leaks, shielding your ceiling from dust buildup and ensuring optimal airflow direction.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClean, Architectural Aesthetic:\u003c\/strong\u003e Designed for a flawless look with no visible pre-drilled holes. Fastening is discreetly located on the inner border sides to maintain the grille's sleek, modern profile.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommercial-Grade Aluminum Build:\u003c\/strong\u003e Constructed from \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca style=\"color: rgb(37, 150, 190);\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/why-6063-t5-aluminum-is-great-for-linear-slot-diffuser-vent-covers\" title=\"Why 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\" rel=\"noopener\" target=\"_blank\"\u003esolid extruded 6063-T5 aluminum\u003c\/a\u003e\u003c\/span\u003e, this heavy-duty air register is built for exceptional durability and reliable, long-term performance in demanding environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Matte White Finish:\u003c\/strong\u003e Coated with a strong matte white powder coat that provides superior resistance to fading, corrosion, and everyday wear, ensuring the finish lasts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlexible Installation Options:\u003c\/strong\u003e This grille is supplied without fasteners to provide installers with the flexibility to choose the best mounting hardware for their specific substrate and project requirements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTailor your Airflow Performance: \u003c\/strong\u003eUnlock the full potential of your HVAC system by pairing this air register with a matching \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/pages\/custom-hvac-plenums\" title=\"Custom Plenum Box - Built to your specifications by Flo-Matrix HVAC\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003ecustom plenum box\u003c\/a\u003e\u003c\/span\u003e (sold separately) to achieve perfectly balanced and optimized airflow for your specific space.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShips worldwide from our Vancouver, Canada facility. Local pickup is also available at our showroom.\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eLooking for 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 Custom Double Deflection Grilles\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/linear-slot-diffuser-quote-request\" target=\"_blank\"\u003eRequest a quote for custom double deflection grilles 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\/flo-matrix-hvac-double-deflection-air-grille-horizontal-front-blades-installed.jpg?v=1781646372\" alt=\"Flo-Matrix HVAC double deflection air grille installed in a commercial HVAC ventilation system for directional airflow control, balanced air distribution, and modern architectural aesthetics\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003ePerformance\u003c\/h5\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" alt=\"Flo-Matrix HVAC vent cover with built-in weather foam strip compared to standard vent covers without foam gasket, showing improved air seal, reduced dust streaks, cleaner ceilings, better airflow efficiency, and lower maintenance requirements for residential and commercial HVAC applications.\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781729213\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\" title=\"High Resolution of Professional HVAC Diffusers vs Mass Produced Diffusers | Quality Comparison Guide\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg style=\"margin-bottom: 16px; float: none;\" alt=\"Flo-Matrix HVAC professional-grade linear slot diffusers and air grilles compared to mass-produced generic store diffusers, highlighting T5 aluminum construction, superior airflow performance, expert technical support, custom manufacturing options, commercial project experience, showroom availability, and long-term HVAC performance benefits.\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\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=\"Double Deflection Air Grille (Front Horizontal Blades) Submittal Sheet High Resolution Download\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Double_Deflection_Air_Grille_Submittal.PDF?v=1750109108\" 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\/Double_Deflection_Air_Grille_Submittal.jpg?v=1750109108\" alt=\"Double Deflection air grilles Submittal Sheet\"\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 style=\"color: rgb(37, 150, 190);\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/double-deflection-vs-single-deflection-air-grilles-which-one-is-right-for-you\" title=\"Double Deflection vs. Single Deflection Air Grilles: Which One Is Right for You?\" rel=\"noopener\" target=\"_blank\"\u003eDouble Deflection vs. Single Deflection Air Grilles: Which One Is Right for You?\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\/horizontal-or-vertical-a-quick-guide-to-double-deflection-air-grille-blades\" title=\"Front Horizontal or Vertical? A Quick Guide to Double Deflection Air Grille Blades\" rel=\"noopener\" target=\"_blank\"\u003eFront Horizontal or Vertical? A Quick Guide to Double Deflection Air Grille Blades\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\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" 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=\"CFD Airflow Analysis Services for Smarter HVAC Design\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/cfd-airflow-analysis-hvac-design\" target=\"_blank\"\u003eCFD Airflow Analysis Services for Smarter HVAC Design\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eDecoding \"Commercial-Grade\" for Your HVAC Specifications\u003c\/h4\u003e\n\u003cp\u003eFor architects and engineers, specifying true commercial-grade HVAC components involves more than just finding a durable product. It's about securing a partnership that provides deep technical support to guarantee your design functions perfectly. This requires complete clarity on material composition and, crucially, certified performance metrics. Essential data includes acoustic levels (NC ratings), system pressure drop, and accurate CFM airflow numbers.\u003c\/p\u003e\n\u003cp\u003eTrust is built on proof, not promises. That's why our air distribution products undergo rigorous independent testing to comply with strict industry standards such as ASHRAE 70-2006 and ADC1062:GRD-84. We go a step further by \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"CFD Airflow Analysis Services for Smarter HVAC Design by Flo-Matrix\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/cfd-airflow-analysis-hvac-design\" target=\"_blank\"\u003eintegrating advanced computer simulations\u003c\/a\u003e\u003c\/span\u003e in our design process. This allows us to refine the aerodynamics and energy performance of our modern linear bar grilles and diffusers long before manufacturing begins.\u003c\/p\u003e\n\u003cp\u003eFor high-performance air distribution solutions you can count on, Flo-Matrix HVAC has been a leading manufacturer for years. We focus on commercial-grade diffusers and linear grilles engineered for the most challenging environments. Have a project on the boards? \u003ca rel=\"noopener\" title=\"Contact Us Form - Flo-Matrix HVAC\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" target=\"_blank\"\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003eOur product experts are here to assist\u003c\/span\u003e\u003c\/a\u003e. Reach out to us at +1-604-437-1527 to talk about your specific requirements.\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\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=8ON0uNlEVQBXisuZ\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"Linear Air Diffusers","offers":[{"title":"Default Title","offer_id":41803446648995,"sku":"FWADH\/559x406\/PCWS02","price":72.16,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/22x16-air-grille-double-deflection-horizontal-front-metal.png?v=1776384113"},{"product_id":"20x16-air-grille-double-deflection-horizontal-front","title":"20x16\" Double Deflection Supply Grille \/ Register - Front Horizontal Blades Vent Cover - Flo-Matrix HVAC","description":"\u003ch5\u003eDetails\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eEngineered for precision airflow control, these 20x16 inch double deflection supply air grilles and registers feature independently adjustable blades to direct ventilation exactly where it’s needed. The horizontal front blades manage vertical airflow (up\/down), while vertical rear blades handle side-to-side distribution—giving HVAC installers and architects complete command over comfort conditions. These heavy-duty registers work equally well in sidewall, ceiling, or duct applications, making them ideal for commercial HVAC systems where customizable air patterns matter. With their high free area design, they maintain strong airflow while reducing whistling and pressure drops—critical for quiet, efficient operation. Unlike standard supply grilles, the dual-adjustment system prevents drafts by letting professionals fine-tune both the throw distance and spread pattern. Whether retrofitting existing spaces or designing new installations, these adaptable air registers solve common airflow challenges without sacrificing performance. \u003cstrong\u003eProfessional installation recommended.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision 20x16\" Duct Opening: \u003c\/strong\u003eEngineered for a perfect fit on standard 20x16” ductwork, this double deflection grille ensures optimal compatibility for a seamless HVAC integration. \u003cem\u003ePlease confirm exact measurements with our sizing chart\u003c\/em\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuperior Airflow Control:\u003c\/strong\u003e Features front horizontal blades for precise, multi-directional airflow management, allowing you to expertly direct comfort where it's needed most.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrevents Ceiling Stains:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eA built-in weather-stripping gasket stops air leaks, shielding your ceiling from dust buildup and ensuring optimal airflow direction.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClean, Architectural Aesthetic:\u003c\/strong\u003e Designed for a flawless look with no visible pre-drilled holes. Fastening is discreetly located on the inner border sides to maintain the grille's sleek, modern profile.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommercial-Grade Aluminum Build:\u003c\/strong\u003e Constructed from \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca style=\"color: rgb(37, 150, 190);\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/why-6063-t5-aluminum-is-great-for-linear-slot-diffuser-vent-covers\" title=\"Why 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\" rel=\"noopener\" target=\"_blank\"\u003esolid extruded 6063-T5 aluminum\u003c\/a\u003e\u003c\/span\u003e, this heavy-duty air register is built for exceptional durability and reliable, long-term performance in demanding environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Matte White Finish:\u003c\/strong\u003e Coated with a strong matte white powder coat that provides superior resistance to fading, corrosion, and everyday wear, ensuring the finish lasts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlexible Installation Options:\u003c\/strong\u003e This grille is supplied without fasteners to provide installers with the flexibility to choose the best mounting hardware for their specific substrate and project requirements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTailor your Airflow Performance: \u003c\/strong\u003eUnlock the full potential of your HVAC system by pairing this air register with a matching \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/pages\/custom-hvac-plenums\" title=\"Custom Plenum Box - Built to your specifications by Flo-Matrix HVAC\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003ecustom plenum box\u003c\/a\u003e\u003c\/span\u003e (sold separately) to achieve perfectly balanced and optimized airflow for your specific space.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShips worldwide from our Vancouver, Canada facility. Local pickup is also available at our showroom.\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eLooking for 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 Custom Double Deflection Grilles\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/linear-slot-diffuser-quote-request\" target=\"_blank\"\u003eRequest a quote for custom double deflection grilles 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\/flo-matrix-hvac-double-deflection-air-grille-horizontal-front-blades-installed.jpg?v=1781646372\" alt=\"Flo-Matrix HVAC double deflection air grille installed in a commercial HVAC ventilation system for directional airflow control, balanced air distribution, and modern architectural aesthetics\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003ePerformance\u003c\/h5\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" alt=\"Flo-Matrix HVAC vent cover with built-in weather foam strip compared to standard vent covers without foam gasket, showing improved air seal, reduced dust streaks, cleaner ceilings, better airflow efficiency, and lower maintenance requirements for residential and commercial HVAC applications.\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781729213\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\" title=\"High Resolution of Professional HVAC Diffusers vs Mass Produced Diffusers | Quality Comparison Guide\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg style=\"margin-bottom: 16px; float: none;\" alt=\"Flo-Matrix HVAC professional-grade linear slot diffusers and air grilles compared to mass-produced generic store diffusers, highlighting T5 aluminum construction, superior airflow performance, expert technical support, custom manufacturing options, commercial project experience, showroom availability, and long-term HVAC performance benefits.\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eSubmittal\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Double Deflection Air Grille (Front Horizontal Blades) Submittal Sheet High Resolution Download\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Double_Deflection_Air_Grille_Submittal.PDF?v=1750109108\" 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\/Double_Deflection_Air_Grille_Submittal.jpg?v=1750109108\" alt=\"Double Deflection air grilles Submittal Sheet\"\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 style=\"color: rgb(37, 150, 190);\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/double-deflection-vs-single-deflection-air-grilles-which-one-is-right-for-you\" title=\"Double Deflection vs. Single Deflection Air Grilles: Which One Is Right for You?\" rel=\"noopener\" target=\"_blank\"\u003eDouble Deflection vs. Single Deflection Air Grilles: Which One Is Right for You?\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\/horizontal-or-vertical-a-quick-guide-to-double-deflection-air-grille-blades\" title=\"Front Horizontal or Vertical? A Quick Guide to Double Deflection Air Grille Blades\" rel=\"noopener\" target=\"_blank\"\u003eFront Horizontal or Vertical? A Quick Guide to Double Deflection Air Grille Blades\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\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" 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=\"CFD Airflow Analysis Services for Smarter HVAC Design\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/cfd-airflow-analysis-hvac-design\" target=\"_blank\"\u003eCFD Airflow Analysis Services for Smarter HVAC Design\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eDecoding \"Commercial-Grade\" for Your HVAC Specifications\u003c\/h4\u003e\n\u003cp\u003eFor architects and engineers, specifying true commercial-grade HVAC components involves more than just finding a durable product. It's about securing a partnership that provides deep technical support to guarantee your design functions perfectly. This requires complete clarity on material composition and, crucially, certified performance metrics. Essential data includes acoustic levels (NC ratings), system pressure drop, and accurate CFM airflow numbers.\u003c\/p\u003e\n\u003cp\u003eTrust is built on proof, not promises. That's why our air distribution products undergo rigorous independent testing to comply with strict industry standards such as ASHRAE 70-2006 and ADC1062:GRD-84. We go a step further by \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"CFD Airflow Analysis Services for Smarter HVAC Design by Flo-Matrix\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/cfd-airflow-analysis-hvac-design\" target=\"_blank\"\u003eintegrating advanced computer simulations\u003c\/a\u003e\u003c\/span\u003e in our design process. This allows us to refine the aerodynamics and energy performance of our modern linear bar grilles and diffusers long before manufacturing begins.\u003c\/p\u003e\n\u003cp\u003eFor high-performance air distribution solutions you can count on, Flo-Matrix HVAC has been a leading manufacturer for years. We focus on commercial-grade diffusers and linear grilles engineered for the most challenging environments. Have a project on the boards? \u003ca rel=\"noopener\" title=\"Contact Us Form - Flo-Matrix HVAC\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" target=\"_blank\"\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003eOur product experts are here to assist\u003c\/span\u003e\u003c\/a\u003e. Reach out to us at +1-604-437-1527 to talk about your specific requirements.\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\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=8ON0uNlEVQBXisuZ\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"Linear Air Diffusers","offers":[{"title":"Default Title","offer_id":41803447894179,"sku":"FWADH\/508x406\/PCWS02","price":67.16,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/20x16-air-grille-double-deflection-horizontal-front-metal.png?v=1776383881"},{"product_id":"10x10-air-grille-double-deflection-vertical-front","title":"10x10\" Double Deflection Supply Grille \/ Register - Front Vertical Blades Vent Cover - Flo-Matrix HVAC","description":"\u003ch5\u003eDetails\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eDesigned for precision airflow control in commercial HVAC systems, our 10x10 inch double deflection grilles feature front vertical blades for side-to-side air direction, paired with rear horizontal blades for up\/down throw adjustment. The dual-blade system gives contractors and engineers complete command over ventilation patterns—perfect for theaters, lobbies, or office spaces where drafts must be eliminated. This register delivers optimal air distribution with minimal turbulence, while the high free area design maintains airflow efficiency and reduces noise. Whether balancing an existing system or specifying new construction, the double deflection design ensures consistent comfort with customizable horizontal and vertical air distribution. \u003cstrong\u003eProfessional installation recommended.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePerfect Fit for 10x10\" Duct Opening:\u003c\/strong\u003e Designed for a seamless fit on 10x10” ductwork, this air register guarantees easy HVAC integration. \u003cem\u003ePlease confirm your exact measurements with our detailed sizing chart for a perfect match.\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExpert Airflow Management:\u003c\/strong\u003e The front vertical blades provide precise, multi-directional control, allowing you to expertly direct conditioned air exactly where it’s needed for optimal comfort in any room.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEliminate Air Leaks \u0026amp; Ceiling Stains:\u003c\/strong\u003e A built-in foam gasket creates a tight seal against the ceiling or wall, preventing air leakage that can lead to dust streaks and unsightly staining over time.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSleek, No-Hole Aesthetic:\u003c\/strong\u003e Achieve a flawless, modern look with a design that hides mounting hardware. Fastening points are discreetly located on the inner sides, preserving the grille's clean, uninterrupted lines.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRugged Aluminum Construction:\u003c\/strong\u003e Built from heavy-duty, \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca style=\"color: rgb(37, 150, 190);\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/why-6063-t5-aluminum-is-great-for-linear-slot-diffuser-vent-covers\" title=\"Why 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\" rel=\"noopener\" target=\"_blank\"\u003e6063-T5 architectural aluminum\u003c\/a\u003e\u003c\/span\u003e, this air grille is manufactured for exceptional durability and reliable, long-lasting performance, even in demanding commercial settings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStrong Matte White Finish:\u003c\/strong\u003e The tough powder coat finish is not only matte white for a timeless look but also provides superior resistance to corrosion and fading, ensuring it stays looking new.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation Flexibility for Pros:\u003c\/strong\u003e We supply this air grille without fasteners, giving professional installers the freedom to choose their preferred screws or anchors for any specific drywall, plaster, or other substrate.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximize HVAC Performance:\u003c\/strong\u003e For the ultimate in balanced airflow and system efficiency, pair this double deflection grille with a matching \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Custom Plenum Box - Built to your specifications by Flo-Matrix HVAC\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/custom-hvac-plenums\" target=\"_blank\"\u003ecustom plenum box\u003c\/a\u003e\u003c\/span\u003e (sold separately) to tailor performance to your unique space requirements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShips worldwide from our Vancouver, Canada facility. Local pickup is also available at our showroom.\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eLooking for 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 Custom Double Deflection Grilles\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/linear-slot-diffuser-quote-request\" target=\"_blank\"\u003eRequest a quote for custom double deflection grilles 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\/double-deflection-vertical-air-grille-wall-installation-modern-hvac-vent-cover.jpg?v=1781900491\" alt=\"Modern double deflection vertical air grille register cover engineered for efficient air distribution, combining adjustable airflow performance with a clean architectural appearance.\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003ePerformance\u003c\/h5\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" alt=\"Flo-Matrix HVAC vent cover with built-in weather foam strip compared to standard vent covers without foam gasket, showing improved air seal, reduced dust streaks, cleaner ceilings, better airflow efficiency, and lower maintenance requirements for residential and commercial HVAC applications.\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781729213\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\" title=\"High Resolution of Professional HVAC Diffusers vs Mass Produced Diffusers | Quality Comparison Guide\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg style=\"margin-bottom: 16px; float: none;\" alt=\"Flo-Matrix HVAC professional-grade linear slot diffusers and air grilles compared to mass-produced generic store diffusers, highlighting T5 aluminum construction, superior airflow performance, expert technical support, custom manufacturing options, commercial project experience, showroom availability, and long-term HVAC performance benefits.\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eSubmittal\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Double Deflection Air Grille (Front Vertical Blades) Submittal Sheet High Resolution Download\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Double_Deflection_Front_Vertical_Air_Grille_Submittal.PDF?v=1750118175\" target=\"_blank\"\u003eClick here to download a high resolution of this submittal sheet\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(43, 0, 255);\"\u003e\u003cstrong\u003e\u003cimg alt=\"Double Deflection (front vertical blades) air grilles Submittal Sheet\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Double_Deflection_Front_Vertical_Air_Grille_Submittal.jpg?v=1750118176\"\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch5\u003e\u003cbr\u003e\u003c\/h5\u003e\n\u003ch5\u003e\u003cbr\u003e\u003c\/h5\u003e\n\u003ch5\u003eResources \u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca rel=\"noopener\" title=\"Double Deflection vs. Single Deflection Air Grilles: Which One Is Right for You?\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/double-deflection-vs-single-deflection-air-grilles-which-one-is-right-for-you\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eDouble Deflection vs. Single Deflection Air Grilles: Which One Is Right for You?\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\" title=\"Front Horizontal or Vertical? A Quick Guide to Double Deflection Air Grille Blades\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/horizontal-or-vertical-a-quick-guide-to-double-deflection-air-grille-blades\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eFront Horizontal or Vertical? A Quick Guide to Double Deflection Air Grille Blades\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\" 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\"\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\/pages\/cfd-airflow-analysis-hvac-design\" title=\"CFD Airflow Analysis Services for Smarter HVAC Design\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eCFD Airflow Analysis Services for Smarter HVAC Design\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eBeyond the Label: What \"Commercial-Grade\" Really Delivers\u003c\/h4\u003e\n\u003cp\u003eThe term \"commercial-grade\" is a commitment to quality that design professionals rely on. It signifies a component backed by extensive technical resources and verifiable data to ensure project success. This partnership provides absolute transparency on materials and delivers the hard performance figures you need—like sound level classifications (NC ratings), precise pressure drop, and reliable CFM calculations.\u003c\/p\u003e\n\u003cp\u003eThis confidence comes from third-party verification. Our ventilation solutions are tested to meet recognized benchmarks like ADC1062:GRD-84 and ASHRAE 70-2006. To achieve superior results, we utilize \u003ca href=\"https:\/\/www.linearairdiffusers.com\/pages\/cfd-airflow-analysis-hvac-design\" title=\"CFD Airflow Analysis Services for Smarter HVAC Design by Flo-Matrix\" rel=\"noopener\" target=\"_blank\"\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003esophisticated modeling software\u003c\/span\u003e\u003c\/a\u003e during the design phase. This technology helps us optimize the air distribution patterns and efficiency of our contemporary vent covers and linear grilles, ensuring they perform impeccably in the field.\u003c\/p\u003e\n\u003cp\u003eFlo-Matrix HVAC is a trusted provider of robust air distribution solutions for commercial projects. We specialize in manufacturing heavy-duty linear bar grilles and diffusers designed for demanding applications. Ready to find the right solution for your project? \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" title=\"Contact Us Form - Flo-Matrix HVAC\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eOur specialist team is standing by\u003c\/a\u003e\u003c\/span\u003e. Call us today at +1-604-437-1527 for a consultation.\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\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=8ON0uNlEVQBXisuZ\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"Linear Air Diffusers","offers":[{"title":"Default Title","offer_id":41803539087523,"sku":"FWADV\/254x254\/PCWS02","price":28.39,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/10x10-air-grille-double-deflection-vertical-front-metal.png?v=1776372400"},{"product_id":"10x4-air-grille-double-deflection-vertical-front","title":"10x4\" Double Deflection Supply Grille \/ Register - Front Vertical Blades Vent Cover - Flo-Matrix HVAC","description":"\u003ch5\u003eDetails\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eDesigned for precision airflow control in commercial HVAC systems, our 10x4 inch double deflection grilles feature front vertical blades for side-to-side air direction, paired with rear horizontal blades for up\/down throw adjustment. The dual-blade system gives contractors and engineers complete command over ventilation patterns—perfect for theaters, lobbies, or office spaces where drafts must be eliminated. This register delivers optimal air distribution with minimal turbulence, while the high free area design maintains airflow efficiency and reduces noise. Whether balancing an existing system or specifying new construction, the double deflection design ensures consistent comfort with customizable horizontal and vertical air distribution. \u003cstrong\u003eProfessional installation recommended.\u003c\/strong\u003e  \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePerfect Fit for 10x4\" Duct Opening:\u003c\/strong\u003e Designed for a seamless fit on 10x4” ductwork, this air register guarantees easy HVAC integration. \u003cem\u003ePlease confirm your exact measurements with our detailed sizing chart for a perfect match.\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExpert Airflow Management:\u003c\/strong\u003e The front vertical blades provide precise, multi-directional control, allowing you to expertly direct conditioned air exactly where it’s needed for optimal comfort in any room.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEliminate Air Leaks \u0026amp; Ceiling Stains:\u003c\/strong\u003e A built-in foam gasket creates a tight seal against the ceiling or wall, preventing air leakage that can lead to dust streaks and unsightly staining over time.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSleek, No-Hole Aesthetic:\u003c\/strong\u003e Achieve a flawless, modern look with a design that hides mounting hardware. Fastening points are discreetly located on the inner sides, preserving the grille's clean, uninterrupted lines.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRugged Aluminum Construction:\u003c\/strong\u003e Built from heavy-duty, \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" title=\"Why 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/why-6063-t5-aluminum-is-great-for-linear-slot-diffuser-vent-covers\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003e6063-T5 architectural aluminum\u003c\/a\u003e\u003c\/span\u003e, this air grille is manufactured for exceptional durability and reliable, long-lasting performance, even in demanding commercial settings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStrong Matte White Finish:\u003c\/strong\u003e The tough powder coat finish is not only matte white for a timeless look but also provides superior resistance to corrosion and fading, ensuring it stays looking new.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation Flexibility for Pros:\u003c\/strong\u003e We supply this air grille without fasteners, giving professional installers the freedom to choose their preferred screws or anchors for any specific drywall, plaster, or other substrate.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximize HVAC Performance:\u003c\/strong\u003e For the ultimate in balanced airflow and system efficiency, pair this double deflection grille with a matching \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/pages\/custom-hvac-plenums\" title=\"Custom Plenum Box - Built to your specifications by Flo-Matrix HVAC\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003ecustom plenum box\u003c\/a\u003e\u003c\/span\u003e (sold separately) to tailor performance to your unique space requirements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShips worldwide from our Vancouver, Canada facility. Local pickup is also available at our showroom.\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eLooking for 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 Custom Double Deflection Grilles\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/linear-slot-diffuser-quote-request\" target=\"_blank\"\u003eRequest a quote for custom double deflection grilles 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\/double-deflection-vertical-air-grille-wall-installation-modern-hvac-vent-cover.jpg?v=1781900491\" alt=\"Modern double deflection vertical air grille register cover engineered for efficient air distribution, combining adjustable airflow performance with a clean architectural appearance.\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003ePerformance\u003c\/h5\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" alt=\"Flo-Matrix HVAC vent cover with built-in weather foam strip compared to standard vent covers without foam gasket, showing improved air seal, reduced dust streaks, cleaner ceilings, better airflow efficiency, and lower maintenance requirements for residential and commercial HVAC applications.\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781729213\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\" title=\"High Resolution of Professional HVAC Diffusers vs Mass Produced Diffusers | Quality Comparison Guide\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg style=\"margin-bottom: 16px; float: none;\" alt=\"Flo-Matrix HVAC professional-grade linear slot diffusers and air grilles compared to mass-produced generic store diffusers, highlighting T5 aluminum construction, superior airflow performance, expert technical support, custom manufacturing options, commercial project experience, showroom availability, and long-term HVAC performance benefits.\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eSubmittal\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Double_Deflection_Front_Vertical_Air_Grille_Submittal.PDF?v=1750118175\" title=\"Double Deflection Air Grille (Front Vertical Blades) Submittal Sheet High Resolution Download\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eClick here to download a high resolution of this submittal sheet\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(43, 0, 255);\"\u003e\u003cstrong\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Double_Deflection_Front_Vertical_Air_Grille_Submittal.jpg?v=1750118176\" alt=\"Double Deflection (front vertical blades) air grilles Submittal Sheet\"\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eResources \u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca style=\"color: rgb(37, 150, 190);\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/double-deflection-vs-single-deflection-air-grilles-which-one-is-right-for-you\" title=\"Double Deflection vs. Single Deflection Air Grilles: Which One Is Right for You?\" rel=\"noopener\" target=\"_blank\"\u003eDouble Deflection vs. Single Deflection Air Grilles: Which One Is Right for You?\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\/horizontal-or-vertical-a-quick-guide-to-double-deflection-air-grille-blades\" title=\"Front Horizontal or Vertical? A Quick Guide to Double Deflection Air Grille Blades\" rel=\"noopener\" target=\"_blank\"\u003eFront Horizontal or Vertical? A Quick Guide to Double Deflection Air Grille Blades\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\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" 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=\"CFD Airflow Analysis Services for Smarter HVAC Design\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/cfd-airflow-analysis-hvac-design\" target=\"_blank\"\u003eCFD Airflow Analysis Services for Smarter HVAC Design\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eBeyond the Label: What \"Commercial-Grade\" Really Delivers\u003c\/h4\u003e\n\u003cp\u003eThe term \"commercial-grade\" is a commitment to quality that design professionals rely on. It signifies a component backed by extensive technical resources and verifiable data to ensure project success. This partnership provides absolute transparency on materials and delivers the hard performance figures you need—like sound level classifications (NC ratings), precise pressure drop, and reliable CFM calculations.\u003c\/p\u003e\n\u003cp\u003eThis confidence comes from third-party verification. Our ventilation solutions are tested to meet recognized benchmarks like ADC1062:GRD-84 and ASHRAE 70-2006. To achieve superior results, we utilize \u003ca rel=\"noopener\" title=\"CFD Airflow Analysis Services for Smarter HVAC Design by Flo-Matrix\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/cfd-airflow-analysis-hvac-design\" target=\"_blank\"\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003esophisticated modeling software\u003c\/span\u003e\u003c\/a\u003e during the design phase. This technology helps us optimize the air distribution patterns and efficiency of our contemporary vent covers and linear grilles, ensuring they perform impeccably in the field.\u003c\/p\u003e\n\u003cp\u003eFlo-Matrix HVAC is a trusted provider of robust air distribution solutions for commercial projects. We specialize in manufacturing heavy-duty linear bar grilles and diffusers designed for demanding applications. Ready to find the right solution for your project? \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Contact Us Form - Flo-Matrix HVAC\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" target=\"_blank\"\u003eOur specialist team is standing by\u003c\/a\u003e\u003c\/span\u003e. Call us today at +1-604-437-1527 for a consultation.\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\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=8ON0uNlEVQBXisuZ\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"Linear Air Diffusers","offers":[{"title":"Default Title","offer_id":41809316839587,"sku":"FWADV\/254x102\/PCWS02","price":25.39,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/10x4-air-grille-double-deflection-vertical-front-metal.png?v=1776288979"},{"product_id":"12x4-air-grille-double-deflection-vertical-front","title":"12x4\" Double Deflection Supply Grille \/ Register - Front Vertical Blades Vent Cover - Flo-Matrix HVAC","description":"\u003ch5\u003eDetails\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eDesigned for precision airflow control in commercial HVAC systems, our 12x4 inch double deflection grilles feature front vertical blades for side-to-side air direction, paired with rear horizontal blades for up\/down throw adjustment. The dual-blade system gives contractors and engineers complete command over ventilation patterns—perfect for theaters, lobbies, or office spaces where drafts must be eliminated. This register delivers optimal air distribution with minimal turbulence, while the high free area design maintains airflow efficiency and reduces noise. Whether balancing an existing system or specifying new construction, the double deflection design ensures consistent comfort with customizable horizontal and vertical air distribution. \u003cstrong\u003eProfessional installation recommended.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePerfect Fit for 12x4\" Duct Opening:\u003c\/strong\u003e Designed for a seamless fit on 12x4” ductwork, this air register guarantees easy HVAC integration. \u003cem\u003ePlease confirm your exact measurements with our detailed sizing chart for a perfect match.\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExpert Airflow Management:\u003c\/strong\u003e The front vertical blades provide precise, multi-directional control, allowing you to expertly direct conditioned air exactly where it’s needed for optimal comfort in any room.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEliminate Air Leaks \u0026amp; Ceiling Stains:\u003c\/strong\u003e A built-in foam gasket creates a tight seal against the ceiling or wall, preventing air leakage that can lead to dust streaks and unsightly staining over time.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSleek, No-Hole Aesthetic:\u003c\/strong\u003e Achieve a flawless, modern look with a design that hides mounting hardware. Fastening points are discreetly located on the inner sides, preserving the grille's clean, uninterrupted lines.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRugged Aluminum Construction:\u003c\/strong\u003e Built from heavy-duty, \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca style=\"color: rgb(37, 150, 190);\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/why-6063-t5-aluminum-is-great-for-linear-slot-diffuser-vent-covers\" title=\"Why 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\" rel=\"noopener\" target=\"_blank\"\u003e6063-T5 architectural aluminum\u003c\/a\u003e\u003c\/span\u003e, this air grille is manufactured for exceptional durability and reliable, long-lasting performance, even in demanding commercial settings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStrong Matte White Finish:\u003c\/strong\u003e The tough powder coat finish is not only matte white for a timeless look but also provides superior resistance to corrosion and fading, ensuring it stays looking new.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation Flexibility for Pros:\u003c\/strong\u003e We supply this air grille without fasteners, giving professional installers the freedom to choose their preferred screws or anchors for any specific drywall, plaster, or other substrate.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximize HVAC Performance:\u003c\/strong\u003e For the ultimate in balanced airflow and system efficiency, pair this double deflection grille with a matching \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Custom Plenum Box - Built to your specifications by Flo-Matrix HVAC\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/custom-hvac-plenums\" target=\"_blank\"\u003ecustom plenum box\u003c\/a\u003e\u003c\/span\u003e (sold separately) to tailor performance to your unique space requirements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShips worldwide from our Vancouver, Canada facility. Local pickup is also available at our showroom.\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eLooking for 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 Custom Double Deflection Grilles\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/linear-slot-diffuser-quote-request\" target=\"_blank\"\u003eRequest a quote for custom double deflection grilles 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\/double-deflection-vertical-air-grille-wall-installation-modern-hvac-vent-cover.jpg?v=1781900491\" alt=\"Modern double deflection vertical air grille register cover engineered for efficient air distribution, combining adjustable airflow performance with a clean architectural appearance.\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003ePerformance\u003c\/h5\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" alt=\"Flo-Matrix HVAC vent cover with built-in weather foam strip compared to standard vent covers without foam gasket, showing improved air seal, reduced dust streaks, cleaner ceilings, better airflow efficiency, and lower maintenance requirements for residential and commercial HVAC applications.\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781729213\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\" title=\"High Resolution of Professional HVAC Diffusers vs Mass Produced Diffusers | Quality Comparison Guide\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg style=\"margin-bottom: 16px; float: none;\" alt=\"Flo-Matrix HVAC professional-grade linear slot diffusers and air grilles compared to mass-produced generic store diffusers, highlighting T5 aluminum construction, superior airflow performance, expert technical support, custom manufacturing options, commercial project experience, showroom availability, and long-term HVAC performance benefits.\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eSubmittal\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Double Deflection Air Grille (Front Vertical Blades) Submittal Sheet High Resolution Download\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Double_Deflection_Front_Vertical_Air_Grille_Submittal.PDF?v=1750118175\" target=\"_blank\"\u003eClick here to download a high resolution of this submittal sheet\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(43, 0, 255);\"\u003e\u003cstrong\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Double_Deflection_Front_Vertical_Air_Grille_Submittal.jpg?v=1750118176\" alt=\"Double Deflection (front vertical blades) air grilles Submittal Sheet\"\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eResources \u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca rel=\"noopener\" title=\"Double Deflection vs. Single Deflection Air Grilles: Which One Is Right for You?\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/double-deflection-vs-single-deflection-air-grilles-which-one-is-right-for-you\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eDouble Deflection vs. Single Deflection Air Grilles: Which One Is Right for You?\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\" title=\"Front Horizontal or Vertical? A Quick Guide to Double Deflection Air Grille Blades\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/horizontal-or-vertical-a-quick-guide-to-double-deflection-air-grille-blades\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eFront Horizontal or Vertical? A Quick Guide to Double Deflection Air Grille Blades\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\" 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\"\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\/pages\/cfd-airflow-analysis-hvac-design\" title=\"CFD Airflow Analysis Services for Smarter HVAC Design\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eCFD Airflow Analysis Services for Smarter HVAC Design\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eBeyond the Label: What \"Commercial-Grade\" Really Delivers\u003c\/h4\u003e\n\u003cp\u003eThe term \"commercial-grade\" is a commitment to quality that design professionals rely on. It signifies a component backed by extensive technical resources and verifiable data to ensure project success. This partnership provides absolute transparency on materials and delivers the hard performance figures you need—like sound level classifications (NC ratings), precise pressure drop, and reliable CFM calculations.\u003c\/p\u003e\n\u003cp\u003eThis confidence comes from third-party verification. Our ventilation solutions are tested to meet recognized benchmarks like ADC1062:GRD-84 and ASHRAE 70-2006. To achieve superior results, we utilize \u003ca href=\"https:\/\/www.linearairdiffusers.com\/pages\/cfd-airflow-analysis-hvac-design\" title=\"CFD Airflow Analysis Services for Smarter HVAC Design by Flo-Matrix\" rel=\"noopener\" target=\"_blank\"\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003esophisticated modeling software\u003c\/span\u003e\u003c\/a\u003e during the design phase. This technology helps us optimize the air distribution patterns and efficiency of our contemporary vent covers and linear grilles, ensuring they perform impeccably in the field.\u003c\/p\u003e\n\u003cp\u003eFlo-Matrix HVAC is a trusted provider of robust air distribution solutions for commercial projects. We specialize in manufacturing heavy-duty linear bar grilles and diffusers designed for demanding applications. Ready to find the right solution for your project? \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" title=\"Contact Us Form - Flo-Matrix HVAC\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eOur specialist team is standing by\u003c\/a\u003e\u003c\/span\u003e. Call us today at +1-604-437-1527 for a consultation.\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\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=8ON0uNlEVQBXisuZ\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"Linear Air Diffusers","offers":[{"title":"Default Title","offer_id":41809322508451,"sku":"FWADV\/305x102\/PCWS02","price":26.39,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/12x4-air-grille-double-deflection-vertical-front-metal.png?v=1776290028"},{"product_id":"10x6-air-grille-double-deflection-vertical-front","title":"10x6\" Double Deflection Supply Grille \/ Register - Front Vertical Blades Vent Cover - Flo-Matrix HVAC","description":"\u003ch5\u003eDetails\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eDesigned for precision airflow control in commercial HVAC systems, our 10x6 inch double deflection grilles feature front vertical blades for side-to-side air direction, paired with rear horizontal blades for up\/down throw adjustment. The dual-blade system gives contractors and engineers complete command over ventilation patterns—perfect for theaters, lobbies, or office spaces where drafts must be eliminated. This register delivers optimal air distribution with minimal turbulence, while the high free area design maintains airflow efficiency and reduces noise. Whether balancing an existing system or specifying new construction, the double deflection design ensures consistent comfort with customizable horizontal and vertical air distribution. \u003cstrong\u003eProfessional installation recommended.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePerfect Fit for 10x6\" Duct Opening:\u003c\/strong\u003e Designed for a seamless fit on 10x6” ductwork, this air register guarantees easy HVAC integration. \u003cem\u003ePlease confirm your exact measurements with our detailed sizing chart for a perfect match.\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExpert Airflow Management:\u003c\/strong\u003e The front vertical blades provide precise, multi-directional control, allowing you to expertly direct conditioned air exactly where it’s needed for optimal comfort in any room.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEliminate Air Leaks \u0026amp; Ceiling Stains:\u003c\/strong\u003e A built-in foam gasket creates a tight seal against the ceiling or wall, preventing air leakage that can lead to dust streaks and unsightly staining over time.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSleek, No-Hole Aesthetic:\u003c\/strong\u003e Achieve a flawless, modern look with a design that hides mounting hardware. Fastening points are discreetly located on the inner sides, preserving the grille's clean, uninterrupted lines.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRugged Aluminum Construction:\u003c\/strong\u003e Built from heavy-duty, \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca style=\"color: rgb(37, 150, 190);\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/why-6063-t5-aluminum-is-great-for-linear-slot-diffuser-vent-covers\" title=\"Why 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\" rel=\"noopener\" target=\"_blank\"\u003e6063-T5 architectural aluminum\u003c\/a\u003e\u003c\/span\u003e, this air grille is manufactured for exceptional durability and reliable, long-lasting performance, even in demanding commercial settings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStrong Matte White Finish:\u003c\/strong\u003e The tough powder coat finish is not only matte white for a timeless look but also provides superior resistance to corrosion and fading, ensuring it stays looking new.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation Flexibility for Pros:\u003c\/strong\u003e We supply this air grille without fasteners, giving professional installers the freedom to choose their preferred screws or anchors for any specific drywall, plaster, or other substrate.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximize HVAC Performance:\u003c\/strong\u003e For the ultimate in balanced airflow and system efficiency, pair this double deflection grille with a matching \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Custom Plenum Box - Built to your specifications by Flo-Matrix HVAC\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/custom-hvac-plenums\" target=\"_blank\"\u003ecustom plenum box\u003c\/a\u003e\u003c\/span\u003e (sold separately) to tailor performance to your unique space requirements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShips worldwide from our Vancouver, Canada facility. Local pickup is also available at our showroom.\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eLooking for 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 Custom Double Deflection Grilles\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/linear-slot-diffuser-quote-request\" target=\"_blank\"\u003eRequest a quote for custom double deflection grilles 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\/double-deflection-vertical-air-grille-wall-installation-modern-hvac-vent-cover.jpg?v=1781900491\" alt=\"Modern double deflection vertical air grille register cover engineered for efficient air distribution, combining adjustable airflow performance with a clean architectural appearance.\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003ePerformance\u003c\/h5\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" alt=\"Flo-Matrix HVAC vent cover with built-in weather foam strip compared to standard vent covers without foam gasket, showing improved air seal, reduced dust streaks, cleaner ceilings, better airflow efficiency, and lower maintenance requirements for residential and commercial HVAC applications.\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781729213\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\" title=\"High Resolution of Professional HVAC Diffusers vs Mass Produced Diffusers | Quality Comparison Guide\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg style=\"margin-bottom: 16px; float: none;\" alt=\"Flo-Matrix HVAC professional-grade linear slot diffusers and air grilles compared to mass-produced generic store diffusers, highlighting T5 aluminum construction, superior airflow performance, expert technical support, custom manufacturing options, commercial project experience, showroom availability, and long-term HVAC performance benefits.\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eSubmittal\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Double Deflection Air Grille (Front Vertical Blades) Submittal Sheet High Resolution Download\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Double_Deflection_Front_Vertical_Air_Grille_Submittal.PDF?v=1750118175\" target=\"_blank\"\u003eClick here to download a high resolution of this submittal sheet\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(43, 0, 255);\"\u003e\u003cstrong\u003e\u003cimg alt=\"Double Deflection (front vertical blades) air grilles Submittal Sheet\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Double_Deflection_Front_Vertical_Air_Grille_Submittal.jpg?v=1750118176\"\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch5\u003e\u003cbr\u003e\u003c\/h5\u003e\n\u003ch5\u003e\u003cbr\u003e\u003c\/h5\u003e\n\u003ch5\u003eResources \u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca rel=\"noopener\" title=\"Double Deflection vs. Single Deflection Air Grilles: Which One Is Right for You?\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/double-deflection-vs-single-deflection-air-grilles-which-one-is-right-for-you\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eDouble Deflection vs. Single Deflection Air Grilles: Which One Is Right for You?\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\" title=\"Front Horizontal or Vertical? A Quick Guide to Double Deflection Air Grille Blades\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/horizontal-or-vertical-a-quick-guide-to-double-deflection-air-grille-blades\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eFront Horizontal or Vertical? A Quick Guide to Double Deflection Air Grille Blades\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\" 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\"\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\/pages\/cfd-airflow-analysis-hvac-design\" title=\"CFD Airflow Analysis Services for Smarter HVAC Design\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eCFD Airflow Analysis Services for Smarter HVAC Design\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eBeyond the Label: What \"Commercial-Grade\" Really Delivers\u003c\/h4\u003e\n\u003cp\u003eThe term \"commercial-grade\" is a commitment to quality that design professionals rely on. It signifies a component backed by extensive technical resources and verifiable data to ensure project success. This partnership provides absolute transparency on materials and delivers the hard performance figures you need—like sound level classifications (NC ratings), precise pressure drop, and reliable CFM calculations.\u003c\/p\u003e\n\u003cp\u003eThis confidence comes from third-party verification. Our ventilation solutions are tested to meet recognized benchmarks like ADC1062:GRD-84 and ASHRAE 70-2006. To achieve superior results, we utilize \u003ca href=\"https:\/\/www.linearairdiffusers.com\/pages\/cfd-airflow-analysis-hvac-design\" title=\"CFD Airflow Analysis Services for Smarter HVAC Design by Flo-Matrix\" rel=\"noopener\" target=\"_blank\"\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003esophisticated modeling software\u003c\/span\u003e\u003c\/a\u003e during the design phase. This technology helps us optimize the air distribution patterns and efficiency of our contemporary vent covers and linear grilles, ensuring they perform impeccably in the field.\u003c\/p\u003e\n\u003cp\u003eFlo-Matrix HVAC is a trusted provider of robust air distribution solutions for commercial projects. We specialize in manufacturing heavy-duty linear bar grilles and diffusers designed for demanding applications. Ready to find the right solution for your project? \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" title=\"Contact Us Form - Flo-Matrix HVAC\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eOur specialist team is standing by\u003c\/a\u003e\u003c\/span\u003e. Call us today at +1-604-437-1527 for a consultation.\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\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=8ON0uNlEVQBXisuZ\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"Linear Air Diffusers","offers":[{"title":"Default Title","offer_id":41809386537123,"sku":"FWADV\/254x152\/PCWS02","price":26.39,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/10x6-air-grille-double-deflection-vertical-front-metal.png?v=1776292722"},{"product_id":"12x6-air-grille-double-deflection-vertical-front","title":"12x6\" Double Deflection Supply Grille \/ Register - Front Vertical Blades Vent Cover - Flo-Matrix HVAC","description":"\u003ch5\u003eDetails\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eDesigned for precision airflow control in commercial HVAC systems, our 12x6 inch double deflection grilles feature front vertical blades for side-to-side air direction, paired with rear horizontal blades for up\/down throw adjustment. The dual-blade system gives contractors and engineers complete command over ventilation patterns—perfect for theaters, lobbies, or office spaces where drafts must be eliminated. This register delivers optimal air distribution with minimal turbulence, while the high free area design maintains airflow efficiency and reduces noise. Whether balancing an existing system or specifying new construction, the double deflection design ensures consistent comfort with customizable horizontal and vertical air distribution. \u003cstrong\u003eProfessional installation recommended.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePerfect Fit for 12x6\" Duct Opening:\u003c\/strong\u003e Designed for a seamless fit on 12x6” ductwork, this air register guarantees easy HVAC integration. \u003cem\u003ePlease confirm your exact measurements with our detailed sizing chart for a perfect match.\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExpert Airflow Management:\u003c\/strong\u003e The front vertical blades provide precise, multi-directional control, allowing you to expertly direct conditioned air exactly where it’s needed for optimal comfort in any room.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEliminate Air Leaks \u0026amp; Ceiling Stains:\u003c\/strong\u003e A built-in foam gasket creates a tight seal against the ceiling or wall, preventing air leakage that can lead to dust streaks and unsightly staining over time.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSleek, No-Hole Aesthetic:\u003c\/strong\u003e Achieve a flawless, modern look with a design that hides mounting hardware. Fastening points are discreetly located on the inner sides, preserving the grille's clean, uninterrupted lines.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRugged Aluminum Construction:\u003c\/strong\u003e Built from heavy-duty, \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca style=\"color: rgb(37, 150, 190);\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/why-6063-t5-aluminum-is-great-for-linear-slot-diffuser-vent-covers\" title=\"Why 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\" rel=\"noopener\" target=\"_blank\"\u003e6063-T5 architectural aluminum\u003c\/a\u003e\u003c\/span\u003e, this air grille is manufactured for exceptional durability and reliable, long-lasting performance, even in demanding commercial settings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStrong Matte White Finish:\u003c\/strong\u003e The tough powder coat finish is not only matte white for a timeless look but also provides superior resistance to corrosion and fading, ensuring it stays looking new.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation Flexibility for Pros:\u003c\/strong\u003e We supply this air grille without fasteners, giving professional installers the freedom to choose their preferred screws or anchors for any specific drywall, plaster, or other substrate.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximize HVAC Performance:\u003c\/strong\u003e For the ultimate in balanced airflow and system efficiency, pair this double deflection grille with a matching \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Custom Plenum Box - Built to your specifications by Flo-Matrix HVAC\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/custom-hvac-plenums\" target=\"_blank\"\u003ecustom plenum box\u003c\/a\u003e\u003c\/span\u003e (sold separately) to tailor performance to your unique space requirements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShips worldwide from our Vancouver, Canada facility. Local pickup is also available at our showroom.\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eLooking for 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 Custom Double Deflection Grilles\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/linear-slot-diffuser-quote-request\" target=\"_blank\"\u003eRequest a quote for custom double deflection grilles 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\/double-deflection-vertical-air-grille-wall-installation-modern-hvac-vent-cover.jpg?v=1781900491\" alt=\"Modern double deflection vertical air grille register cover engineered for efficient air distribution, combining adjustable airflow performance with a clean architectural appearance.\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003ePerformance\u003c\/h5\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" alt=\"Flo-Matrix HVAC vent cover with built-in weather foam strip compared to standard vent covers without foam gasket, showing improved air seal, reduced dust streaks, cleaner ceilings, better airflow efficiency, and lower maintenance requirements for residential and commercial HVAC applications.\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781729213\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\" title=\"High Resolution of Professional HVAC Diffusers vs Mass Produced Diffusers | Quality Comparison Guide\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg style=\"margin-bottom: 16px; float: none;\" alt=\"Flo-Matrix HVAC professional-grade linear slot diffusers and air grilles compared to mass-produced generic store diffusers, highlighting T5 aluminum construction, superior airflow performance, expert technical support, custom manufacturing options, commercial project experience, showroom availability, and long-term HVAC performance benefits.\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eSubmittal\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Double Deflection Air Grille (Front Vertical Blades) Submittal Sheet High Resolution Download\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Double_Deflection_Front_Vertical_Air_Grille_Submittal.PDF?v=1750118175\" target=\"_blank\"\u003eClick here to download a high resolution of this submittal sheet\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(43, 0, 255);\"\u003e\u003cstrong\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Double_Deflection_Front_Vertical_Air_Grille_Submittal.jpg?v=1750118176\" alt=\"Double Deflection (front vertical blades) air grilles Submittal Sheet\"\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch5\u003e\u003cbr\u003e\u003c\/h5\u003e\n\u003ch5\u003e\u003cbr\u003e\u003c\/h5\u003e\n\u003ch5\u003eResources \u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca rel=\"noopener\" title=\"Double Deflection vs. Single Deflection Air Grilles: Which One Is Right for You?\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/double-deflection-vs-single-deflection-air-grilles-which-one-is-right-for-you\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eDouble Deflection vs. Single Deflection Air Grilles: Which One Is Right for You?\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\" title=\"Front Horizontal or Vertical? A Quick Guide to Double Deflection Air Grille Blades\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/horizontal-or-vertical-a-quick-guide-to-double-deflection-air-grille-blades\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eFront Horizontal or Vertical? A Quick Guide to Double Deflection Air Grille Blades\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\" 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\"\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\/pages\/cfd-airflow-analysis-hvac-design\" title=\"CFD Airflow Analysis Services for Smarter HVAC Design\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eCFD Airflow Analysis Services for Smarter HVAC Design\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eBeyond the Label: What \"Commercial-Grade\" Really Delivers\u003c\/h4\u003e\n\u003cp\u003eThe term \"commercial-grade\" is a commitment to quality that design professionals rely on. It signifies a component backed by extensive technical resources and verifiable data to ensure project success. This partnership provides absolute transparency on materials and delivers the hard performance figures you need—like sound level classifications (NC ratings), precise pressure drop, and reliable CFM calculations.\u003c\/p\u003e\n\u003cp\u003eThis confidence comes from third-party verification. Our ventilation solutions are tested to meet recognized benchmarks like ADC1062:GRD-84 and ASHRAE 70-2006. To achieve superior results, we utilize \u003ca href=\"https:\/\/www.linearairdiffusers.com\/pages\/cfd-airflow-analysis-hvac-design\" title=\"CFD Airflow Analysis Services for Smarter HVAC Design by Flo-Matrix\" rel=\"noopener\" target=\"_blank\"\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003esophisticated modeling software\u003c\/span\u003e\u003c\/a\u003e during the design phase. This technology helps us optimize the air distribution patterns and efficiency of our contemporary vent covers and linear grilles, ensuring they perform impeccably in the field.\u003c\/p\u003e\n\u003cp\u003eFlo-Matrix HVAC is a trusted provider of robust air distribution solutions for commercial projects. We specialize in manufacturing heavy-duty linear bar grilles and diffusers designed for demanding applications. Ready to find the right solution for your project? \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" title=\"Contact Us Form - Flo-Matrix HVAC\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eOur specialist team is standing by\u003c\/a\u003e\u003c\/span\u003e. Call us today at +1-604-437-1527 for a consultation.\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\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=8ON0uNlEVQBXisuZ\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"Linear Air Diffusers","offers":[{"title":"Default Title","offer_id":41809392566435,"sku":"FWADV\/305x152\/PCWS02","price":27.39,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/12x6-air-grille-double-deflection-vertical-front-metal.png?v=1776293127"},{"product_id":"10x8-air-grille-double-deflection-vertical-front","title":"10x8\" Double Deflection Supply Grille \/ Register - Front Vertical Blades Vent Cover - Flo-Matrix HVAC","description":"\u003ch5\u003eDetails\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eDesigned for precision airflow control in commercial HVAC systems, our 10x8 inch double deflection grilles feature front vertical blades for side-to-side air direction, paired with rear horizontal blades for up\/down throw adjustment. The dual-blade system gives contractors and engineers complete command over ventilation patterns—perfect for theaters, lobbies, or office spaces where drafts must be eliminated. This register delivers optimal air distribution with minimal turbulence, while the high free area design maintains airflow efficiency and reduces noise. Whether balancing an existing system or specifying new construction, the double deflection design ensures consistent comfort with customizable horizontal and vertical air distribution. \u003cstrong\u003eProfessional installation recommended.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePerfect Fit for 10x8\" Duct Opening:\u003c\/strong\u003e Designed for a seamless fit on 10x8” ductwork, this air register guarantees easy HVAC integration. \u003cem\u003ePlease confirm your exact measurements with our detailed sizing chart for a perfect match.\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExpert Airflow Management:\u003c\/strong\u003e The front vertical blades provide precise, multi-directional control, allowing you to expertly direct conditioned air exactly where it’s needed for optimal comfort in any room.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEliminate Air Leaks \u0026amp; Ceiling Stains:\u003c\/strong\u003e A built-in foam gasket creates a tight seal against the ceiling or wall, preventing air leakage that can lead to dust streaks and unsightly staining over time.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSleek, No-Hole Aesthetic:\u003c\/strong\u003e Achieve a flawless, modern look with a design that hides mounting hardware. Fastening points are discreetly located on the inner sides, preserving the grille's clean, uninterrupted lines.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRugged Aluminum Construction:\u003c\/strong\u003e Built from heavy-duty, \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca style=\"color: rgb(37, 150, 190);\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/why-6063-t5-aluminum-is-great-for-linear-slot-diffuser-vent-covers\" title=\"Why 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\" rel=\"noopener\" target=\"_blank\"\u003e6063-T5 architectural aluminum\u003c\/a\u003e\u003c\/span\u003e, this air grille is manufactured for exceptional durability and reliable, long-lasting performance, even in demanding commercial settings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStrong Matte White Finish:\u003c\/strong\u003e The tough powder coat finish is not only matte white for a timeless look but also provides superior resistance to corrosion and fading, ensuring it stays looking new.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation Flexibility for Pros:\u003c\/strong\u003e We supply this air grille without fasteners, giving professional installers the freedom to choose their preferred screws or anchors for any specific drywall, plaster, or other substrate.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximize HVAC Performance:\u003c\/strong\u003e For the ultimate in balanced airflow and system efficiency, pair this double deflection grille with a matching \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Custom Plenum Box - Built to your specifications by Flo-Matrix HVAC\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/custom-hvac-plenums\" target=\"_blank\"\u003ecustom plenum box\u003c\/a\u003e\u003c\/span\u003e (sold separately) to tailor performance to your unique space requirements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShips worldwide from our Vancouver, Canada facility. Local pickup is also available at our showroom.\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eLooking for 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 Custom Double Deflection Grilles\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/linear-slot-diffuser-quote-request\" target=\"_blank\"\u003eRequest a quote for custom double deflection grilles 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\/double-deflection-vertical-air-grille-wall-installation-modern-hvac-vent-cover.jpg?v=1781900491\" alt=\"Modern double deflection vertical air grille register cover engineered for efficient air distribution, combining adjustable airflow performance with a clean architectural appearance.\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003ePerformance\u003c\/h5\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" alt=\"Flo-Matrix HVAC vent cover with built-in weather foam strip compared to standard vent covers without foam gasket, showing improved air seal, reduced dust streaks, cleaner ceilings, better airflow efficiency, and lower maintenance requirements for residential and commercial HVAC applications.\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781729213\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\" title=\"High Resolution of Professional HVAC Diffusers vs Mass Produced Diffusers | Quality Comparison Guide\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg style=\"margin-bottom: 16px; float: none;\" alt=\"Flo-Matrix HVAC professional-grade linear slot diffusers and air grilles compared to mass-produced generic store diffusers, highlighting T5 aluminum construction, superior airflow performance, expert technical support, custom manufacturing options, commercial project experience, showroom availability, and long-term HVAC performance benefits.\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eSubmittal\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Double Deflection Air Grille (Front Vertical Blades) Submittal Sheet High Resolution Download\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Double_Deflection_Front_Vertical_Air_Grille_Submittal.PDF?v=1750118175\" target=\"_blank\"\u003eClick here to download a high resolution of this submittal sheet\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(43, 0, 255);\"\u003e\u003cstrong\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Double_Deflection_Front_Vertical_Air_Grille_Submittal.jpg?v=1750118176\" alt=\"Double Deflection (front vertical blades) air grilles Submittal Sheet\"\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch5\u003e\u003cbr\u003e\u003c\/h5\u003e\n\u003ch5\u003e\u003cbr\u003e\u003c\/h5\u003e\n\u003ch5\u003eResources \u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca rel=\"noopener\" title=\"Double Deflection vs. Single Deflection Air Grilles: Which One Is Right for You?\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/double-deflection-vs-single-deflection-air-grilles-which-one-is-right-for-you\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eDouble Deflection vs. Single Deflection Air Grilles: Which One Is Right for You?\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\" title=\"Front Horizontal or Vertical? A Quick Guide to Double Deflection Air Grille Blades\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/horizontal-or-vertical-a-quick-guide-to-double-deflection-air-grille-blades\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eFront Horizontal or Vertical? A Quick Guide to Double Deflection Air Grille Blades\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\" 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\"\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\/pages\/cfd-airflow-analysis-hvac-design\" title=\"CFD Airflow Analysis Services for Smarter HVAC Design\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eCFD Airflow Analysis Services for Smarter HVAC Design\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eBeyond the Label: What \"Commercial-Grade\" Really Delivers\u003c\/h4\u003e\n\u003cp\u003eThe term \"commercial-grade\" is a commitment to quality that design professionals rely on. It signifies a component backed by extensive technical resources and verifiable data to ensure project success. This partnership provides absolute transparency on materials and delivers the hard performance figures you need—like sound level classifications (NC ratings), precise pressure drop, and reliable CFM calculations.\u003c\/p\u003e\n\u003cp\u003eThis confidence comes from third-party verification. Our ventilation solutions are tested to meet recognized benchmarks like ADC1062:GRD-84 and ASHRAE 70-2006. To achieve superior results, we utilize \u003ca href=\"https:\/\/www.linearairdiffusers.com\/pages\/cfd-airflow-analysis-hvac-design\" title=\"CFD Airflow Analysis Services for Smarter HVAC Design by Flo-Matrix\" rel=\"noopener\" target=\"_blank\"\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003esophisticated modeling software\u003c\/span\u003e\u003c\/a\u003e during the design phase. This technology helps us optimize the air distribution patterns and efficiency of our contemporary vent covers and linear grilles, ensuring they perform impeccably in the field.\u003c\/p\u003e\n\u003cp\u003eFlo-Matrix HVAC is a trusted provider of robust air distribution solutions for commercial projects. We specialize in manufacturing heavy-duty linear bar grilles and diffusers designed for demanding applications. Ready to find the right solution for your project? \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" title=\"Contact Us Form - Flo-Matrix HVAC\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eOur specialist team is standing by\u003c\/a\u003e\u003c\/span\u003e. Call us today at +1-604-437-1527 for a consultation.\u003c\/p\u003e\n\u003cp\u003e \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\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=8ON0uNlEVQBXisuZ\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"Linear Air Diffusers","offers":[{"title":"Default Title","offer_id":41809411211427,"sku":"FWADV\/254x203\/PCWS02","price":27.39,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/10x8-air-grille-double-deflection-vertical-front-metal.png?v=1776294521"},{"product_id":"24x12-air-grille-double-deflection-horizontal-front","title":"24x12\" Double Deflection Supply Grille \/ Register - Front Horizontal Blades Vent Cover - Flo-Matrix HVAC","description":"\u003ch5\u003eDetails\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eEngineered for precision airflow control, these 24x12 inch double deflection supply air grilles and registers feature independently adjustable blades to direct ventilation exactly where it’s needed. The horizontal front blades manage vertical airflow (up\/down), while vertical rear blades handle side-to-side distribution—giving HVAC installers and architects complete command over comfort conditions. These heavy-duty registers work equally well in sidewall, ceiling, or duct applications, making them ideal for commercial HVAC systems where customizable air patterns matter. With their high free area design, they maintain strong airflow while reducing whistling and pressure drops—critical for quiet, efficient operation. Unlike standard supply grilles, the dual-adjustment system prevents drafts by letting professionals fine-tune both the throw distance and spread pattern. Whether retrofitting existing spaces or designing new installations, these adaptable air registers solve common airflow challenges without sacrificing performance. \u003cstrong\u003eProfessional installation recommended.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eOverall \/ Face Size\u003c\/strong\u003e\u003c\/span\u003e: \u003cstrong\u003e24x12\" \u003c\/strong\u003e- \u003cem\u003ePlease confirm exact measurements with our sizing chart\u003c\/em\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuperior Airflow Control:\u003c\/strong\u003e Features front horizontal blades for precise, multi-directional airflow management, allowing you to expertly direct comfort where it's needed most.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrevents Ceiling Stains:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eA built-in weather-stripping gasket stops air leaks, shielding your ceiling from dust buildup and ensuring optimal airflow direction.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClean, Architectural Aesthetic:\u003c\/strong\u003e Designed for a flawless look with no visible pre-drilled holes. Fastening is discreetly located on the inner border sides to maintain the grille's sleek, modern profile.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommercial-Grade Aluminum Build:\u003c\/strong\u003e Constructed from \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca style=\"color: rgb(37, 150, 190);\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/why-6063-t5-aluminum-is-great-for-linear-slot-diffuser-vent-covers\" title=\"Why 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\" rel=\"noopener\" target=\"_blank\"\u003esolid extruded 6063-T5 aluminum\u003c\/a\u003e\u003c\/span\u003e, this heavy-duty air register is built for exceptional durability and reliable, long-term performance in demanding environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Matte White Finish:\u003c\/strong\u003e Coated with a strong matte white powder coat that provides superior resistance to fading, corrosion, and everyday wear, ensuring the finish lasts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlexible Installation Options:\u003c\/strong\u003e This grille is supplied without fasteners to provide installers with the flexibility to choose the best mounting hardware for their specific substrate and project requirements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTailor your Airflow Performance: \u003c\/strong\u003eUnlock the full potential of your HVAC system by pairing this air register with a matching \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca href=\"https:\/\/www.linearairdiffusers.com\/pages\/custom-hvac-plenums\" title=\"Custom Plenum Box - Built to your specifications by Flo-Matrix HVAC\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003ecustom plenum box\u003c\/a\u003e\u003c\/span\u003e (sold separately) to achieve perfectly balanced and optimized airflow for your specific space.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShips worldwide from our Vancouver, Canada facility. Local pickup is also available at our showroom.\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eLooking for 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 Custom Double Deflection Grilles\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/linear-slot-diffuser-quote-request\" target=\"_blank\"\u003eRequest a quote for custom double deflection grilles 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\/flo-matrix-hvac-double-deflection-air-grille-horizontal-front-blades-installed.jpg?v=1781646372\" alt=\"Flo-Matrix HVAC double deflection air grille installed in a commercial HVAC ventilation system for directional airflow control, balanced air distribution, and modern architectural aesthetics\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003ePerformance\u003c\/h5\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" alt=\"Flo-Matrix HVAC vent cover with built-in weather foam strip compared to standard vent covers without foam gasket, showing improved air seal, reduced dust streaks, cleaner ceilings, better airflow efficiency, and lower maintenance requirements for residential and commercial HVAC applications.\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781729213\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\" title=\"High Resolution of Professional HVAC Diffusers vs Mass Produced Diffusers | Quality Comparison Guide\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg style=\"margin-bottom: 16px; float: none;\" alt=\"Flo-Matrix HVAC professional-grade linear slot diffusers and air grilles compared to mass-produced generic store diffusers, highlighting T5 aluminum construction, superior airflow performance, expert technical support, custom manufacturing options, commercial project experience, showroom availability, and long-term HVAC performance benefits.\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eSubmittal\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003cstrong\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Double Deflection Air Grille (Front Horizontal Blades) Submittal Sheet High Resolution Download\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Double_Deflection_Air_Grille_Submittal.PDF?v=1750109108\" 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=\"Double Deflection air grilles Submittal Sheet\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Double_Deflection_Air_Grille_Submittal.jpg?v=1750109108\"\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 style=\"color: rgb(37, 150, 190);\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/double-deflection-vs-single-deflection-air-grilles-which-one-is-right-for-you\" title=\"Double Deflection vs. Single Deflection Air Grilles: Which One Is Right for You?\" rel=\"noopener\" target=\"_blank\"\u003eDouble Deflection vs. Single Deflection Air Grilles: Which One Is Right for You?\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\/horizontal-or-vertical-a-quick-guide-to-double-deflection-air-grille-blades\" title=\"Front Horizontal or Vertical? A Quick Guide to Double Deflection Air Grille Blades\" rel=\"noopener\" target=\"_blank\"\u003eFront Horizontal or Vertical? A Quick Guide to Double Deflection Air Grille Blades\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\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" 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=\"CFD Airflow Analysis Services for Smarter HVAC Design\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/cfd-airflow-analysis-hvac-design\" target=\"_blank\"\u003eCFD Airflow Analysis Services for Smarter HVAC Design\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eDecoding \"Commercial-Grade\" for Your HVAC Specifications\u003c\/h4\u003e\n\u003cp\u003eFor architects and engineers, specifying true commercial-grade HVAC components involves more than just finding a durable product. It's about securing a partnership that provides deep technical support to guarantee your design functions perfectly. This requires complete clarity on material composition and, crucially, certified performance metrics. Essential data includes acoustic levels (NC ratings), system pressure drop, and accurate CFM airflow numbers.\u003c\/p\u003e\n\u003cp\u003eTrust is built on proof, not promises. That's why our air distribution products undergo rigorous independent testing to comply with strict industry standards such as ASHRAE 70-2006 and ADC1062:GRD-84. We go a step further by \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"CFD Airflow Analysis Services for Smarter HVAC Design by Flo-Matrix\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/cfd-airflow-analysis-hvac-design\" target=\"_blank\"\u003eintegrating advanced computer simulations\u003c\/a\u003e\u003c\/span\u003e in our design process. This allows us to refine the aerodynamics and energy performance of our modern linear bar grilles and diffusers long before manufacturing begins.\u003c\/p\u003e\n\u003cp\u003eFor high-performance air distribution solutions you can count on, Flo-Matrix HVAC has been a leading manufacturer for years. We focus on commercial-grade diffusers and linear grilles engineered for the most challenging environments. Have a project on the boards? \u003ca rel=\"noopener\" title=\"Contact Us Form - Flo-Matrix HVAC\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" target=\"_blank\"\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003eOur product experts are here to assist\u003c\/span\u003e\u003c\/a\u003e. Reach out to us at +1-604-437-1527 to talk about your specific requirements.\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\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=8ON0uNlEVQBXisuZ\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"Linear Air Diffusers","offers":[{"title":"Default Title","offer_id":42201370788003,"sku":"FWADH\/610x305\/PCWS02","price":67.16,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/24x12-air-grille-double-deflection-horizontal-front-metal.png?v=1776381659"},{"product_id":"30x20-air-grille-double-deflection-horizontal-front","title":"30x20\" Double Deflection Supply Grille \/ Register - Front Horizontal Blades Vent Cover - Flo-Matrix HVAC","description":"\u003ch5\u003eDetails\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eEngineered for precision airflow control, these 30x20 inch double deflection supply air grilles and registers feature independently adjustable blades to direct ventilation exactly where it’s needed. The horizontal front blades manage vertical airflow (up\/down), while vertical rear blades handle side-to-side distribution—giving HVAC installers and architects complete command over comfort conditions. These heavy-duty registers work equally well in sidewall, ceiling, or duct applications, making them ideal for commercial HVAC systems where customizable air patterns matter. With their high free area design, they maintain strong airflow while reducing whistling and pressure drops—critical for quiet, efficient operation. Unlike standard supply grilles, the dual-adjustment system prevents drafts by letting professionals fine-tune both the throw distance and spread pattern. Whether retrofitting existing spaces or designing new installations, these adaptable air registers solve common airflow challenges without sacrificing performance. \u003cstrong\u003eProfessional installation recommended.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision 30x20\" Duct Opening: \u003c\/strong\u003eEngineered for a perfect fit on standard 30x20” ductwork, this double deflection grille ensures optimal compatibility for a seamless HVAC integration. \u003cem\u003ePlease confirm exact measurements with our sizing chart\u003c\/em\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuperior Airflow Control:\u003c\/strong\u003e Features front horizontal blades for precise, multi-directional airflow management, allowing you to expertly direct comfort where it's needed most.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrevents Ceiling Stains:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eA built-in weather-stripping gasket stops air leaks, shielding your ceiling from dust buildup and ensuring optimal airflow direction.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClean, Architectural Aesthetic:\u003c\/strong\u003e Designed for a flawless look with no visible pre-drilled holes. Fastening is discreetly located on the inner border sides to maintain the grille's sleek, modern profile.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommercial-Grade Aluminum Build:\u003c\/strong\u003e Constructed from \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" title=\"Why 6063-T5 Aluminum is the Gold Standard for Your Linear Slot Diffuser\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/why-6063-t5-aluminum-is-great-for-linear-slot-diffuser-vent-covers\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003esolid extruded 6063-T5 aluminum\u003c\/a\u003e\u003c\/span\u003e, this heavy-duty air register is built for exceptional durability and reliable, long-term performance in demanding environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Matte White Finish:\u003c\/strong\u003e Coated with a strong matte white powder coat that provides superior resistance to fading, corrosion, and everyday wear, ensuring the finish lasts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlexible Installation Options:\u003c\/strong\u003e This grille is supplied without fasteners to provide installers with the flexibility to choose the best mounting hardware for their specific substrate and project requirements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTailor your Airflow Performance: \u003c\/strong\u003eUnlock the full potential of your HVAC system by pairing this air register with a matching \u003cspan style=\"color: rgb(37, 150, 190);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(37, 150, 190);\" title=\"Custom Plenum Box - Built to your specifications by Flo-Matrix HVAC\" href=\"https:\/\/www.linearairdiffusers.com\/pages\/custom-hvac-plenums\" target=\"_blank\"\u003ecustom plenum box\u003c\/a\u003e\u003c\/span\u003e (sold separately) to achieve perfectly balanced and optimized airflow for your specific space.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShips worldwide from our Vancouver, Canada facility. Local pickup is also available at our showroom.\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eLooking for 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 Custom Double Deflection Grilles\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eRequest a quote for custom double deflection grilles 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\/flo-matrix-hvac-double-deflection-air-grille-horizontal-front-blades-installed.jpg?v=1781646372\" alt=\"Flo-Matrix HVAC double deflection air grille installed in a commercial HVAC ventilation system for directional airflow control, balanced air distribution, and modern architectural aesthetics\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003ePerformance\u003c\/h5\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781739881\" alt=\"Flo-Matrix HVAC vent cover with built-in weather foam strip compared to standard vent covers without foam gasket, showing improved air seal, reduced dust streaks, cleaner ceilings, better airflow efficiency, and lower maintenance requirements for residential and commercial HVAC applications.\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/flo-matrix-hvac-weather-foam-strip-vent-cover-comparison-cleaner-ceilings-air-seal-performance-poster_jpg.jpg?v=1781729213\" title=\"Flo-Matrix HVAC Weather Foam Strip Vent Cover Comparison – Cleaner Ceilings, Better Air Seal \u0026amp; Improved HVAC Performance\" rel=\"noopener\" target=\"_blank\"\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\" title=\"High Resolution of Professional HVAC Diffusers vs Mass Produced Diffusers | Quality Comparison Guide\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg style=\"margin-bottom: 16px; float: none;\" alt=\"Flo-Matrix HVAC professional-grade linear slot diffusers and air grilles compared to mass-produced generic store diffusers, highlighting T5 aluminum construction, superior airflow performance, expert technical support, custom manufacturing options, commercial project experience, showroom availability, and long-term HVAC performance benefits.\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/professional-vs-mass-produced-hvac-diffusers-air-grilles-comparison.png?v=1780707295\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\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\/Double_Deflection_Air_Grille_Submittal.PDF?v=1750109108\" title=\"Double Deflection Air Grille (Front Horizontal Blades) Submittal Sheet High Resolution 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=\"Double Deflection (front horizontal blades) air grilles Submittal Sheet\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/Double_Deflection_Air_Grille_Submittal.jpg?v=1750109108\"\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\" title=\"Double Deflection vs. Single Deflection Air Grilles: Which One Is Right for You?\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/double-deflection-vs-single-deflection-air-grilles-which-one-is-right-for-you\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eDouble Deflection vs. Single Deflection Air Grilles: Which One Is Right for You?\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\" title=\"Front Horizontal or Vertical? A Quick Guide to Double Deflection Air Grille Blades\" href=\"https:\/\/www.linearairdiffusers.com\/blogs\/hvac-diffusers-insights\/horizontal-or-vertical-a-quick-guide-to-double-deflection-air-grille-blades\" style=\"color: rgb(37, 150, 190);\" target=\"_blank\"\u003eFront Horizontal or Vertical? A Quick Guide to Double Deflection Air Grille Blades\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\" 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\"\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\/pages\/cfd-airflow-analysis-hvac-design\" title=\"CFD Airflow Analysis Services for Smarter HVAC Design\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eCFD Airflow Analysis Services for Smarter HVAC Design\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eDecoding \"Commercial-Grade\" for Your HVAC Specifications\u003c\/h4\u003e\n\u003cp\u003eFor architects and engineers, specifying true commercial-grade HVAC components involves more than just finding a durable product. It's about securing a partnership that provides deep technical support to guarantee your design functions perfectly. This requires complete clarity on material composition and, crucially, certified performance metrics. Essential data includes acoustic levels (NC ratings), system pressure drop, and accurate CFM airflow numbers.\u003c\/p\u003e\n\u003cp\u003eTrust is built on proof, not promises. That's why our air distribution products undergo rigorous independent testing to comply with strict industry standards such as ASHRAE 70-2006 and ADC1062:GRD-84. We go a step further by \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 by Flo-Matrix\" style=\"color: rgb(37, 150, 190);\" rel=\"noopener\" target=\"_blank\"\u003eintegrating advanced computer simulations\u003c\/a\u003e\u003c\/span\u003e in our design process. This allows us to refine the aerodynamics and energy performance of our modern linear bar grilles and diffusers long before manufacturing begins.\u003c\/p\u003e\n\u003cp\u003eFor high-performance air distribution solutions you can count on, Flo-Matrix HVAC has been a leading manufacturer for years. We focus on commercial-grade diffusers and linear grilles engineered for the most challenging environments. Have a project on the boards? \u003ca href=\"https:\/\/www.linearairdiffusers.com\/pages\/contact-us\" title=\"Contact Us Form - Flo-Matrix HVAC\" rel=\"noopener\" target=\"_blank\"\u003e\u003cspan style=\"color: rgb(37, 150, 190);\"\u003eOur product experts are here to assist\u003c\/span\u003e\u003c\/a\u003e. Reach out to us at +1-604-437-1527 to talk about your specific requirements.\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\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=8ON0uNlEVQBXisuZ\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"Linear Air Diffusers","offers":[{"title":"Default Title","offer_id":47584464142499,"sku":"FWADH\/762x508\/PCWS02","price":95.36,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/files\/30x20-air-grille-double-deflection-horizontal-front-metal.png?v=1776464558"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0478\/9515\/0755\/collections\/Deflection-air-grille-hvac.png?v=1786405086","url":"https:\/\/www.linearairdiffusers.com\/collections\/single-double-deflection-grilles-registers.oembed","provider":"Linear Air Diffusers by Flo-Matrix HVAC","version":"1.0","type":"link"}