{"product_id":"atco-products-17002518-18-x-25-r4-2-boxed-flexible-duct","title":"ATCO PRODUCTS 17002518 18 x 25' R4.2 Boxed Flexible Duct","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe ATCO PRODUCTS 17002518 is a UL 181 Class 1 flexible duct designed for HVAC applications. This duct features a fiberglass scrim reinforced grey polyester outer jacket and an air-tight inner core, making it suitable for low-to-medium operating pressures.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eReinforced grey polyester jacket for enhanced durability.\u003c\/li\u003e\n\u003cli\u003eAir-tight inner core for improved energy efficiency.\u003c\/li\u003e\n\u003cli\u003eDesigned to resist tears and punctures ensuring longevity.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eProduct Highlights\u003c\/h4\u003e\u003cp\u003eThe duct is engineered with a double lamination of polyester and a steel wire helix, encapsulated in fiberglass insulation, ensuring effective performance across various HVAC settings.\u003c\/p\u003e\u003ch3\u003eProduct Information\u003c\/h3\u003e\u003ch4\u003eStandard Information\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: ATCO\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompliance\u003c\/strong\u003e: UL 181 Air Duct\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: Fiberglass, Plastic, Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCore Material\u003c\/strong\u003e: Double ply polyester core\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInside Diameter\u003c\/strong\u003e: Eighteen inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlex Length\u003c\/strong\u003e: Twenty-five feet\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eR-Value\u003c\/strong\u003e: R4.2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eJacket Color\u003c\/strong\u003e: Gray\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eJacket Material\u003c\/strong\u003e: Polyester\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsulated\u003c\/strong\u003e: Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Air Flow\u003c\/strong\u003e: 5000 FPM\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Pressure\u003c\/strong\u003e: 6 W.G. Positive (4 to 12 diameter), 4 W.G. Positive (14 to 20 diameter), 3\/4 W.G. (all diameters)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Temperature\u003c\/strong\u003e: 250°F (121.11°C)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e: -20°F to 140°F (-28.8°C to 60°C)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFire Rating\u003c\/strong\u003e: Flame Spread: 25 max, Smoke Developed: 50 max\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVapor Transmission\u003c\/strong\u003e: .6 Perms\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApprovals\u003c\/strong\u003e: UL Listed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e: USA\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ATCO PRODUCTS","offers":[{"title":"Default Title","offer_id":50148822942002,"sku":"17002518","price":14.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/234604981.jpg?v=1751363957","url":"https:\/\/voomisupply.com\/products\/atco-products-17002518-18-x-25-r4-2-boxed-flexible-duct","provider":"Voomi Supply","version":"1.0","type":"link"}