{"title":"12\"W x 4\"H","description":"","products":[{"product_id":"12-x-4-duct-opening-2-way-steel-air-supply-diffuser-for-sidewall-and-ceiling","title":"12 X 4 Duct Opening | 2 WAY Steel Air Supply Diffuser for Sidewall and Ceiling","description":"\u003cb\u003e12\"W x 4\"H [Duct Opening Measurements] 2 WAY Steel Air Supply Diffuser | Vent Cover Grill for Sidewall and Ceiling | White | Outer Dimensions: 13.75\"W X 5.75\"H for 12x4 Duct Opening\u003c\/b\u003e\u003cbr\u003e\u003cbr\u003e\u003cb\u003e\u003c\/b\u003e 1\/2 inch spaced fins set at 40 degrees.\u003cbr\u003e\u003cb\u003e\u003c\/b\u003e Primary use: Side wall and ceiling.\u003cbr\u003e\u003cb\u003e\u003c\/b\u003e Screws are included with the system, standard.\u003cbr\u003e\u003cb\u003e\u003c\/b\u003e All-steel construction.\u003cbr\u003e\u003cb\u003e\u003c\/b\u003e Durable white powder coated.\u003cbr\u003e\u003cb\u003e\u003c\/b\u003e Standard color is white (Ral9016).\u003cbr\u003e\u003cbr\u003e\u003cb\u003eHow To Measure A Grille\u003c\/b\u003e\u003cbr\u003eAlways measure the size of the duct opening (the 'hole' in the duct\/wall). Do not measure the entire size of the register itself. Size of the grille is; listed size +1.75-inch.\u003cbr\u003e\u003cbr\u003e\u003cb\u003eUnderstanding Width \u0026amp; Height\u003c\/b\u003e\u003cbr\u003eIn a grille size, the first number always represents the width and the second one is the height. As an Example: If the hole on your wall\/duct is 12 inches wide by 4 inches tall, order 12x4 option.\u003cbr\u003e\u003cbr\u003e\n\nFor this particular product you're viewing at the moment, the hole on your wall\/duct opening \u003cb\u003eshould be 12x4 duct opening.\u003c\/b\u003e\u003cbr\u003e\u003cbr\u003e \n\nClick the \u003cb\u003e'Add To Cart' button now\u003c\/b\u003e to order your \u003cb\u003eAir Supply Grille!\u003c\/b\u003e","brand":"AirGrilles.com","offers":[{"title":"Default Title","offer_id":42424702304432,"sku":"HND-ASG-WH-2WAY-12x4-fbm","price":17.94,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0593\/7201\/1696\/files\/HND-ASG-WH-2WAY-12x4-1.jpg?v=1771336782"},{"product_id":"12-w-x-4-h-steel-adjustable-air-supply-grille-13-75-w-x-5-75-h-for-12x4-duct-opening","title":"12x4 Steel Adjustable Air Vent Cover | Supply Register for Wall \u0026 Ceiling | Black | Outer Dimension: 13-3\/4\"W X 5-3\/4\"H","description":"\u003cp\u003e\n\u003cb\u003e Steel Adjustable Supply Grille for 12x4 Duct Opening, Black | Outer Dimensions: 13-3\/4\"W X 5-3\/4\"H\u003c\/b\u003e\n\u003cbr\u003e\n\u003cbr\u003e\nAdjustable spaced fins.\n\u003cbr\u003e\nPrimary use: Side wall and ceiling.\n\u003cbr\u003e\nScrews are included with the system, standard.\n\u003cbr\u003e\nDurable black powder coated.\n\u003cbr\u003e\nStandard color is black.\n\u003cbr\u003e\n\u003cbr\u003e\n\u003cb\u003eHOW TO MEASURE A Grille\u003c\/b\u003e\n\u003cbr\u003e\nAlways measure the size of the duct opening (the 'hole' in the duct\/wall). Do not measure the entire size of the register itself. Size of the grille is; listed size +1.75-inch.\n\u003cbr\u003e\n\u003cbr\u003e\n\u003cb\u003eUnderstanding Width \u0026amp; Height\u003c\/b\u003e\n\u003cbr\u003e\nIn a grille size, the first number always represents the width and the second one is the height. As an Example: If the hole on your wall\/duct is 12 inches wide by 4 inches tall, order 12x4 option.\n\u003cbr\u003e\n\u003cbr\u003e\n\u003c\/p\u003e","brand":"AirGrilles.com","offers":[{"title":"Default Title","offer_id":42424801001648,"sku":"HND-ADJ-BL-12x4-fbm","price":9.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0593\/7201\/1696\/files\/12x4-BL-1_a17253f9-a187-4885-8970-df1db1e4dfb7.jpg?v=1775376975"},{"product_id":"4-x-12-toe-kick-register-grille-vent-cover-outer-dimensions-5-5-x-13-5-white","title":"4\" x 12\" [Duct Opening Size] Toe Kick Register Grille | Vent Cover  | Outer Dimensions: 5.5\" X 13.5\" | White","description":"\u003cp\u003eAirGrilles.com Toe Space Grilles used for under kitchen cabinet.¬†\u003c\/p\u003e\n\u003cp\u003eUsing our Toe Space Grille within your ventilation system will improve your home circulation.¬†\u003c\/p\u003e\n\u003cp\u003eThe steel is stamped so there is no sharp edges. It is noise free product.¬†\u003c\/p\u003e\n\u003cp\u003eThe listed size is for the opening size (duct opening, vent hole or neck size) dimension. Outer dimensions are 1.5\" wider. Durable white powder coated, made of high quality steel.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"AirGrilles.com","offers":[{"title":"Default Title","offer_id":42424793694384,"sku":"HND-TGS-WH-4x12-fbm","price":13.39,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0593\/7201\/1696\/products\/HND-TGS-WH-4x12-1_c32ac714-64ad-43c9-b63b-94af06526819.jpg?v=1757320439"},{"product_id":"4-x-12-floor-register-with-louvered-design-white","title":"4\"x12\" Heavy Duty Steel Floor Register, Louvered Air Vent with Adjustable Damper | White | Out. Dim.: 13-3\/4\"W X 5-3\/4\"H","description":"\u003cp\u003e\u003cstrong\u003e 4\"x12\" Heavy Duty Steel Floor Register, Louvered Air Vent with Adjustable Damper | White | Out. Dim.: 13-3\/4\"W X 5-3\/4\"H \u003c\/strong\u003e\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eHeavy-Duty Strength Meets Refined Design\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eEnhance your home's HVAC system with the AirGrilles.com Steel Floor Register. Engineered for high-traffic areas, this vent cover is built from \u003cstrong\u003eheavy-duty stamped steel\u003c\/strong\u003e, making it fully walkable and incredibly durable. Its classic louvered design provides a polished, finished look that blends seamlessly into any room’s decor.\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cstrong\u003eWalkable \u0026amp; Durable Construction:\u003c\/strong\u003e Made with thick, heavy-duty steel and finished with a premium powder coating. Unlike plastic alternatives, this metal register is designed to withstand the weight of foot traffic without bending or cracking.\n\u003cbr\u003e\n\u003cstrong\u003eSafety First (No Sharp Edges):\u003c\/strong\u003e The steel is precision-stamped to ensure smooth, rounded edges. This prevents snagging on socks or carpets and makes it safe for homes with children and pets.\n\u003cbr\u003e\n\u003cstrong\u003ePrecision Airflow Control:\u003c\/strong\u003e Equipped with an easy-to-reach supply lever and a smooth-acting damper mechanism. Quickly adjust or completely shut off the airflow to customize the comfort level of your space.\n\u003cbr\u003e\n\u003cstrong\u003eNoise-Free Operation:\u003c\/strong\u003e Designed for stability, this register fits snugly to prevent rattling or whistling, ensuring quiet and efficient air distribution throughout your home.\n\u003cbr\u003e\n\u003cstrong\u003eTool-Free Installation:\u003c\/strong\u003e No screws or complicated hardware required. Simply drop the register into your duct opening for an instant, secure fit.","brand":"AirGrilles.com","offers":[{"title":"Default Title","offer_id":42424791400624,"sku":"HND-FLG-WH-4x12-fbm","price":14.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0593\/7201\/1696\/files\/HND-FLG-WH-4x12-2.jpg?v=1775514083"},{"product_id":"4-x-12-floor-register-with-louvered-design-brown","title":"4\"x12\" Heavy Duty Steel Floor Register, Louvered Air Vent with Adjustable Damper | Brown | Out. Dim.: 13-1\/2\"W X 5-3\/4\"H","description":"\u003cp\u003e\u003cstrong\u003e 4\"x12\" Heavy Duty Steel Floor Register, Louvered Air Vent with Adjustable Damper | Brown | Out. Dim.: 13-1\/2\"W X 5-3\/4\"H \u003c\/strong\u003e\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eHeavy-Duty Strength Meets Refined Design\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eEnhance your home's HVAC system with the AirGrilles.com Steel Floor Register. Engineered for high-traffic areas, this vent cover is built from \u003cstrong\u003eheavy-duty stamped steel\u003c\/strong\u003e, making it fully walkable and incredibly durable. Its classic louvered design provides a polished, finished look that blends seamlessly into any room’s decor.\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cstrong\u003eWalkable \u0026amp; Durable Construction:\u003c\/strong\u003e Made with thick, heavy-duty steel and finished with a premium powder coating. Unlike plastic alternatives, this metal register is designed to withstand the weight of foot traffic without bending or cracking.\n\u003cbr\u003e\n\u003cstrong\u003eSafety First (No Sharp Edges):\u003c\/strong\u003e The steel is precision-stamped to ensure smooth, rounded edges. This prevents snagging on socks or carpets and makes it safe for homes with children and pets.\n\u003cbr\u003e\n\u003cstrong\u003ePrecision Airflow Control:\u003c\/strong\u003e Equipped with an easy-to-reach supply lever and a smooth-acting damper mechanism. Quickly adjust or completely shut off the airflow to customize the comfort level of your space.\n\u003cbr\u003e\n\u003cstrong\u003eNoise-Free Operation:\u003c\/strong\u003e Designed for stability, this register fits snugly to prevent rattling or whistling, ensuring quiet and efficient air distribution throughout your home.\n\u003cbr\u003e\n\u003cstrong\u003eTool-Free Installation:\u003c\/strong\u003e No screws or complicated hardware required. Simply drop the register into your duct opening for an instant, secure fit.","brand":"AirGrilles.com","offers":[{"title":"Default Title","offer_id":42424791105712,"sku":"HND-FLG-BR-4x12-fbm","price":13.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0593\/7201\/1696\/files\/HND-FLG-BR-4x12-1.jpg?v=1775513757"},{"product_id":"12w-x-4h-steel-adjustable-air-supply-grille","title":"12x4 Steel Adjustable Air Vent Cover | Supply Register for Wall \u0026 Ceiling | Black | Outer Dimension: 13-3\/4\"W X 5-3\/4\"H","description":"\u003cp\u003e\n\u003cb\u003e Steel Adjustable Supply Grille for 12x4 Duct Opening, Black | Outer Dimensions: 13-3\/4\"W X 5-3\/4\"H\u003c\/b\u003e\n\u003cbr\u003e\n\u003cbr\u003e\nAdjustable spaced fins.\n\u003cbr\u003e\nPrimary use: Side wall and ceiling.\n\u003cbr\u003e\nScrews are included with the system, standard.\n\u003cbr\u003e\nDurable black powder coated.\n\u003cbr\u003e\nStandard color is black.\n\u003cbr\u003e\n\u003cbr\u003e\n\u003cb\u003eHOW TO MEASURE A Grille\u003c\/b\u003e\n\u003cbr\u003e\nAlways measure the size of the duct opening (the 'hole' in the duct\/wall). Do not measure the entire size of the register itself. Size of the grille is; listed size +1.75-inch.\n\u003cbr\u003e\n\u003cbr\u003e\n\u003cb\u003eUnderstanding Width \u0026amp; Height\u003c\/b\u003e\n\u003cbr\u003e\nIn a grille size, the first number always represents the width and the second one is the height. As an Example: If the hole on your wall\/duct is 12 inches wide by 4 inches tall, order 12x4 option.\n\u003cbr\u003e\n\u003cbr\u003e\n\u003c\/p\u003e","brand":"AirGrilles.com","offers":[{"title":"Default Title","offer_id":43058349572272,"sku":"HND-ADJ-BL-12x4-V1-fbm","price":23.19,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0593\/7201\/1696\/files\/12x4-BL-1.jpg?v=1775376907"},{"product_id":"12w-x-4h-steel-adjustable-air-supply-grille-register-vent-cover-grill-for-sidewall-and-ceiling-white-outer-dimensions-13-75w-x-5-75h-for-12x4-duct-opening","title":"12x4 Steel Adjustable Air Vent Cover | Supply Register for Wall \u0026 Ceiling | White | Outer Dimension: 13-3\/4\"W X 5-3\/4\"H","description":"\n\u003cstyle\u003e\n\t.cfm-table {\n\t\twidth: 50% !important;\n\n\t\tth {\n\t\t\ttext-align: left;\n\t\t\tpadding-left: 13px;\n\t\t}\n\t}\n\n\t@media (max-width: 768px) {\n\t\t.cfm-table {\n\t\t\twidth: 100% !important;\n\t\t}\n\t}\n\u003c\/style\u003e\u003cp\u003e\u003cb\u003e Adjustable Air Supply Grille for 12x4 Duct Opening, White, Steel\u003c\/b\u003e\u003cbr\u003e\u003cmeta charset=\"utf-8\"\u003e\u003c\/p\u003e\n\u003ctable class=\"cfm-table\" xmlns=\"http:\/\/www.w3.org\/1999\/xhtml\" cellspacing=\"0\" cellpadding=\"0\" dir=\"ltr\" border=\"1\" data-sheets-root=\"1\" data-sheets-baot=\"1\"\u003e\n\u003ccolgroup\u003e\n\u003ccol width=\"15\"\u003e\n\u003ccol width=\"7\"\u003e\n\u003ccol width=\"7\"\u003e\n\u003ccol width=\"15\"\u003e\n\u003ccol width=\"7\"\u003e\n\u003ccol width=\"52\"\u003e\n\u003ccol width=\"7\"\u003e\n\u003ccol width=\"7\"\u003e\n\u003ccol width=\"7\"\u003e\n\u003ccol width=\"7\"\u003e\n\u003ccol width=\"7\"\u003e\n\u003ccol width=\"15\"\u003e\n\u003ccol width=\"7\"\u003e\n\u003ccol width=\"7\"\u003e\n\u003ccol width=\"7\"\u003e\n\u003ccol width=\"7\"\u003e\n\u003ccol width=\"15\"\u003e\n\u003ccol width=\"7\"\u003e\n\u003ccol width=\"15\"\u003e\n\u003ccol width=\"7\"\u003e\n\u003ccol width=\"7\"\u003e\n\u003ccol width=\"7\"\u003e\n\u003ccol width=\"15\"\u003e\n\u003ccol width=\"7\"\u003e\n\u003ccol width=\"7\"\u003e\n\u003ccol width=\"7\"\u003e\n\u003ccol width=\"7\"\u003e\n\u003ccol width=\"7\"\u003e\n\u003ccol width=\"7\"\u003e\n\u003ccol width=\"7\"\u003e\n\u003ccol width=\"7\"\u003e\n\u003ccol width=\"7\"\u003e\n\u003ccol width=\"7\"\u003e\n\u003ccol width=\"15\"\u003e\n\u003ccol width=\"7\"\u003e\n\u003ccol width=\"7\"\u003e\n\u003ccol width=\"15\"\u003e\n\u003ccol width=\"7\"\u003e\n\u003ccol width=\"7\"\u003e\n\u003c\/colgroup\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd rowspan=\"2\" colspan=\"3\"\u003e\n\u003cdiv\u003e\n\u003cspan\u003e12*4\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003eAk.197\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd rowspan=\"1\" colspan=\"3\"\u003ecfm\u003c\/td\u003e\n\u003ctd rowspan=\"1\" colspan=\"4\"\u003e59\u003c\/td\u003e\n\u003ctd rowspan=\"1\" colspan=\"3\"\u003e79\u003c\/td\u003e\n\u003ctd rowspan=\"1\" colspan=\"4\"\u003e99\u003c\/td\u003e\n\u003ctd rowspan=\"1\" colspan=\"2\"\u003e118\u003c\/td\u003e\n\u003ctd rowspan=\"1\" colspan=\"4\"\u003e138\u003c\/td\u003e\n\u003ctd rowspan=\"1\" colspan=\"3\"\u003e158\u003c\/td\u003e\n\u003ctd rowspan=\"1\" colspan=\"5\"\u003e177\u003c\/td\u003e\n\u003ctd rowspan=\"1\" colspan=\"2\"\u003e197\u003c\/td\u003e\n\u003ctd rowspan=\"1\" colspan=\"4\"\u003e217\u003c\/td\u003e\n\u003ctd rowspan=\"1\" colspan=\"2\"\u003e236\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd rowspan=\"1\" colspan=\"3\"\u003eThrow\u003c\/td\u003e\n\u003ctd rowspan=\"1\" colspan=\"4\"\u003e4.0\u003c\/td\u003e\n\u003ctd rowspan=\"1\" colspan=\"3\"\u003e5.0\u003c\/td\u003e\n\u003ctd rowspan=\"1\" colspan=\"4\"\u003e7.0\u003c\/td\u003e\n\u003ctd rowspan=\"1\" colspan=\"2\"\u003e9.0\u003c\/td\u003e\n\u003ctd rowspan=\"1\" colspan=\"4\"\u003e10.0\u003c\/td\u003e\n\u003ctd rowspan=\"1\" colspan=\"3\"\u003e12.0\u003c\/td\u003e\n\u003ctd rowspan=\"1\" colspan=\"5\"\u003e13.0\u003c\/td\u003e\n\u003ctd rowspan=\"1\" colspan=\"2\"\u003e14.0\u003c\/td\u003e\n\u003ctd rowspan=\"1\" colspan=\"4\"\u003e16.0\u003c\/td\u003e\n\u003ctd rowspan=\"1\" colspan=\"2\"\u003e17.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cbr\u003e\u003cb\u003e\u003c\/b\u003e Adjustable spaced fins.\u003cbr\u003e\u003cb\u003e\u003c\/b\u003e Primary use: Side wall and ceiling.\u003cbr\u003e\u003cb\u003e\u003c\/b\u003e Screws are included with the system, standard.\u003cbr\u003e\u003cb\u003e\u003c\/b\u003e All-steel construction.\u003cbr\u003e\u003cb\u003e\u003c\/b\u003e Durable white powder coated.\u003cbr\u003e\u003cb\u003e\u003c\/b\u003e Standard color is white (Ral9016).\u003cbr\u003e\u003cbr\u003e\u003cb\u003eHow To Measure A Grille\u003c\/b\u003e\u003cbr\u003eAlways measure the size of the duct opening (the 'hole' in the duct\/wall). Do not measure the entire size of the register itself. Size of the grille is; listed size +1.75-inch.\u003cbr\u003e\u003cbr\u003e\u003cb\u003eUnderstanding Width \u0026amp; Height\u003c\/b\u003e\u003cbr\u003eIn a grille size, the first number always represents the width and the second one is the height. As an Example: If the hole on your wall\/duct is 12 inches wide by 4 inches tall, order 12x4 option.\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"AirGrilles.com","offers":[{"title":"Default Title","offer_id":43172074193072,"sku":"HND-ADJ-WH-12x4-V1-fbm","price":23.02,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0593\/7201\/1696\/files\/12x4-1.jpg?v=1775378158"},{"product_id":"12-w-x-4-h-baseboard-return-air-grille-white-outer-dimensions-13-75-w-x-5-75-h-for-12x4-duct-opening","title":"12\"x4\" Steel Baseboard Return Air Grille | White | Outer Dimension: 13-3\/4\"W X 5-3\/4\"H","description":"\u003cp\u003e\u003cb\u003e Baseboard Return Air Grille Grille for 12\"x4\" Duct Opening, White, Steel\u003c\/b\u003e\n\u003cbr\u003e\n\u003cbr\u003e\n7\/8\" Margin Turnback [Depth] to Fit Baseboard\n\u003cbr\u003e\n1\/2 inch spaced fins set at 40 degrees.\n\u003cbr\u003e\nPrimary use: Baseboard\n\u003cbr\u003e\nScrews are included with the system, standard.\n\u003cbr\u003e\nAll-steel construction.\n\u003cbr\u003e\nDurable white powder coated.\n\u003cbr\u003e\nStandard color is white (Ral9016).\n\u003cbr\u003e\n\u003cbr\u003e\n\u003cb\u003eHow To Measure A Grille\u003c\/b\u003e\n\u003cbr\u003e\nAlways measure the size of the duct opening (the 'hole' in the duct\/wall). Do not measure the entire size of the register itself. Size of the grille is; listed size +1.75-inch.\n\u003cbr\u003e\n\u003cbr\u003e\n\u003cb\u003eUnderstanding Width \u0026amp; Height\u003c\/b\u003e\n\u003cbr\u003e\nIn a grille size, the first number always represents the width and the second one is the height. As an Example: If the hole on your wall\/duct is 24 inches wide by 8 inches tall, order 24x8 option.\n\u003cbr\u003e\n\u003cbr\u003e\nFor this particular product you're viewing at the moment, the hole on your wall\/duct opening \u003cb\u003eshould be 12\"x4\" duct opening.\u003c\/b\u003e\n\u003cbr\u003e\n\u003cbr\u003e\nClick the \u003cb\u003e'Add To Cart' \u003c\/b\u003ebutton now to order your \u003cb\u003eBaseboard Return Air Grille!\u003c\/b\u003e\u003c\/p\u003e12\"x4\"","brand":"AirGrilles.com","offers":[{"title":"Default Title","offer_id":44741457641648,"sku":"HND-BRA-WH-12x4-fbm","price":13.79,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0593\/7201\/1696\/files\/HND-BRA-WH-12x4.jpg?v=1775644280"},{"product_id":"fits-12x4-duct-opening-2-way-steel-air-supply-diffuser-by-handua-register-vent-cover-grille-for-sidewall-and-ceiling-black-outer-dimensions-13-75-x-5-75","title":"Fits 12x4 Duct Opening 2 Way Steel Air Supply Diffuser | Register Vent Cover Grille for Sidewall and Ceiling | Black | Outer Dimensions: 13.75\" X 5.75\"","description":"","brand":"AirGrilles.com","offers":[{"title":"Default Title","offer_id":44783989915824,"sku":"HND-ASG-BL-2WAY-12x4-fbm","price":20.96,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0593\/7201\/1696\/files\/161716.jpg?v=1772104808"},{"product_id":"aluminum-adjustable-air-supply-grille-register-vent-cover-grill-20","title":"12x4 Modern Aluminum Air Vent Covers \u0026 HVAC Grilles | Wall \u0026 Ceiling | White | Outer Dimension: 13-3\/4\"W X 5-3\/4\"H","description":"\u003cp\u003e\n\u003cb\u003e Aluminum Adjustable Supply Grille for 12x4 Duct Opening, White, Steel | Outer Dimensions: 13-3\/4\"W X 5-3\/4\"H\u003c\/b\u003e\n\u003cbr\u003e\n\u003cbr\u003e\nAdjustable spaced fins.\n\u003cbr\u003e\nPrimary use: Side wall and ceiling.\n\u003cbr\u003e\nScrews are included with the system, standard.\n\u003cbr\u003e\nDurable white powder coated.\n\u003cbr\u003e\nStandard color is white (Ral9016).\n\u003cbr\u003e\n\u003cbr\u003e\n\u003cb\u003eAluminum construction, last long, rust proof.\u003c\/b\u003e\n\u003cbr\u003e\n\u003cbr\u003e\n\u003cb\u003eHOW TO MEASURE A Grille\u003c\/b\u003e\n\u003cbr\u003e\nAlways measure the size of the duct opening (the 'hole' in the duct\/wall). Do not measure the entire size of the register itself. Size of the grille is; listed size +1.75-inch.\n\u003cbr\u003e\n\u003cbr\u003e\n\u003cb\u003eUnderstanding Width \u0026amp; Height\u003c\/b\u003e\n\u003cbr\u003e\nIn a grille size, the first number always represents the width and the second one is the height. As an Example: If the hole on your wall\/duct is 12 inches wide by 4 inches tall, order 12x4 option.\n\u003cbr\u003e\n\u003cbr\u003e\n\u003c\/p\u003e","brand":"AirGrilles.com","offers":[{"title":"Default Title","offer_id":44951028269232,"sku":"HND-ADJ-ALM-WH-12x4-fbm","price":32.19,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0593\/7201\/1696\/files\/HND-ADJ-ALM-WH-12x4-5.jpg?v=1774728825"},{"product_id":"fits-12x4-duct-opening-modern-air-vent-cover-aluminum-linear-slot-diffuser-air-supply-grille-for-ceiling-sidewall-and-floors-white-outer-dimensions-13-3-4-x-5-7-8","title":"12\"x 4\" Aluminum Linear Slot Diffuser, Modern AC Vent Cover for Sidewall, Ceiling, Floor | Out. Dim.: 13-5\/8\"X 5-5\/6\"","description":"\u003cp\u003e\u003cstrong\u003e 12\"x 4\" Aluminum Linear Slot Diffuser, Modern AC Vent Cover for Sidewall, Ceiling, Floor | Out. 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Whether used for supply or return air, it improves HVAC efficiency while maintaining a whisper-quiet environment.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\n\u003cbr\u003e\n\u003cstrong\u003eCorrosion-Resistant Aluminum:\u003c\/strong\u003e Unlike steel vents, our aluminum construction is naturally rust-resistant, making it ideal for high-moisture areas or long-term durability in any climate.\n\u003cbr\u003e\n\u003cstrong\u003eModern Slim Profile:\u003c\/strong\u003e The sleek, stamped design eliminates sharp edges and offers a flush, low-profile appearance that complements modern minimalist interiors.\n\u003cbr\u003e\n\u003cstrong\u003eVersatile 3-Way Mounting:\u003c\/strong\u003e Engineered for maximum flexibility; install it effortlessly on ceilings, sidewalls, or floors to match your space’s requirements.\n\u003cbr\u003e\n\u003cstrong\u003ePremium Powder-Coated Finish:\u003c\/strong\u003e Features a high-quality, chip-resistant powder coating that maintains its clean, modern look over years of use.\u003c\/p\u003e","brand":"AirGrilles.com","offers":[{"title":"Default Title","offer_id":45005552615600,"sku":"HND-ASD-WH-12x4-fbm","price":33.88,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0593\/7201\/1696\/files\/1_651444b3-a717-4064-8a52-72a38658abc1.jpg?v=1775379431"}],"url":"https:\/\/airgrilles.com\/collections\/12w-x-4h.oembed","provider":"AirGrilles.com","version":"1.0","type":"link"}