{"product_id":"air-flow-products-84db12-duct-board-tab-takeoff-12-in","title":"Air Flow Products 84DB12 Duct Board Tab Takeoff 12 in","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe AIR FLOW PRODUCTS 84DB12 is a duct board tab takeoff fitting designed for use in low-pressure air distribution systems. This 12-inch fitting connects branch ducts to a main duct board trunk, allowing conditioned air to be directed from the primary supply plenum into individual branch runs. It is installed by sheet metal mechanics and HVAC technicians during new construction and retrofit duct system builds. The tab-style design secures directly to duct board panels without additional hardware, providing a clean, reliable connection point in fiberglass duct board assemblies.\u003c\/p\u003e\u003cp\u003eThis fitting is suited for residential and light commercial HVAC applications where fiberglass duct board is the primary distribution medium. It is used in forced-air heating and cooling systems where a branch takeoff is needed at the trunk line. The 12-inch sizing accommodates larger branch duct runs serving zones that require higher airflow volume. HVAC installers typically use this fitting during rough-in of duct systems before grilles and registers are set.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e12-inch diameter for high-volume branch duct connections\u003c\/li\u003e\n\u003cli\u003eTab-style mounting integrates directly with fiberglass duct board panels\u003c\/li\u003e\n\u003cli\u003eDesigned for low-pressure air distribution systems\u003c\/li\u003e\n\u003cli\u003eSupports clean branch takeoff connections from main trunk lines\u003c\/li\u003e\n\u003cli\u003eCompatible with standard duct board construction techniques\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned as an OEM-style replacement and new-installation fitting for fiberglass duct board trunk and branch systems in residential and light commercial forced-air HVAC applications.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation is performed by licensed HVAC technicians or qualified sheet metal mechanics. Power down the air handling unit and verify the system is de-energized before working inside the duct system. Follow local mechanical codes and SMACNA guidelines for duct board construction and takeoff placement. Seal all connections with approved duct board adhesive or foil tape rated for the application.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize\u003c\/strong\u003e: 12 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFitting Type\u003c\/strong\u003e: Tab Takeoff\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDuct System Type\u003c\/strong\u003e: Duct Board\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eStandard Information\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: AIR FLOW PRODUCTS\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 84DB12\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"AIR FLOW PRODUCTS","offers":[{"title":"Default Title","offer_id":51344404545842,"sku":"84DB12","price":20.86,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/310553305.jpg?v=1782035112","url":"https:\/\/voomisupply.com\/products\/air-flow-products-84db12-duct-board-tab-takeoff-12-in","provider":"Voomi Supply","version":"1.0","type":"link"}