{"product_id":"atco-products-031-r8-20-air-duct-20-in","title":"ATCO PRODUCTS 031 R8 20 Air Duct 20 in","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe ATCO PRODUCTS 031 R8 20 is a UL 181, Class 1 air duct designed for HVAC applications. The duct features a tri-directional fiberglass scrim reinforced outer layer made of metallized polyester. This air duct includes an inner core that is air-tight, promoting energy efficiency and preventing fiberglass erosion. It is suitable for low-to-medium operating pressures, ensuring effective performance in various HVAC systems.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eAir-tight inner core enhances energy efficiency while preventing fiberglass wear.\u003c\/li\u003e\n\u003cli\u003eEncapsulated wire helix supports secure installation without unraveling.\u003c\/li\u003e\n\u003cli\u003eSmooth inner design reduces friction loss and lowers operating costs.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eProduct Highlights\u003c\/h4\u003e\u003cp\u003eThe air duct has an inside diameter of 20 inches and a length of 25 feet, making it suitable for various installation setups.\u003c\/p\u003e\u003ch3\u003eProduct Information\u003c\/h3\u003e\u003ch4\u003eStandard Information\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries\u003c\/strong\u003e: R8\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eJacket Material\u003c\/strong\u003e: Metallized Polyester\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInside Diameter\u003c\/strong\u003e: 20 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAir Flow\u003c\/strong\u003e: 5000 fpm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVapor Transmission\u003c\/strong\u003e: 0.05 perms\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Positive Pressure\u003c\/strong\u003e: 4 in WG\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eR-Value\u003c\/strong\u003e: 8\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlame Spread\u003c\/strong\u003e: 25 maximum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSmoke Developed\u003c\/strong\u003e: 50 maximum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Operating Temperature\u003c\/strong\u003e: -20 to 140 degrees F continuous (at maximum pressure)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ATCO PRODUCTS","offers":[{"title":"Default Title","offer_id":50880873365810,"sku":"031 R8 20","price":373.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/Atco_031_R810_AINS_224bfaa6-ebec-41f0-9fdf-8645f80809e7.jpg?v=1769816374","url":"https:\/\/voomisupply.com\/products\/atco-products-031-r8-20-air-duct-20-in","provider":"Voomi Supply","version":"1.0","type":"link"}