{"product_id":"quietflex-460c-uv-inhibited-flexible-air-duct-4-in-x-25-ft","title":"Quietflex 460C UV-inhibited flexible air duct (4 in x 25 ft)","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eQuietflex 460C is a UV-inhibited insulated flexible air duct with a 4 in inside diameter and 25 ft length. It uses Johns Manville formaldehyde-free fiberglass insulation (R6) and a polyester\/fiberglass construction with a polyethylene vapor barrier. The duct is rated to 10 in-WC positive and 1\/2 in-WC negative pressure, 6000 fpm velocity, and -20 to 180 F continuous temperature (-20 to 200 F intermittent). It includes galvanized or bronze metal core reinforcing and an oversized core for collar\/register fit.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eR6 Johns Manville formaldehyde-free fiberglass insulation with polyester\/fiberglass construction and polyethylene vapor barrier\u003c\/li\u003e\n  \u003cli\u003ePressure rating 10 in-WC positive, 1\/2 in-WC negative; velocity rating 6000 fpm; temperature rating -20 to 180 F continuous (-20 to 200 F intermittent)\u003c\/li\u003e\n  \u003cli\u003eGalvanized or bronze metal core reinforcing and oversized core for collar and register fit; weather-resistant bag packaging\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eProduct Highlights\u003c\/h4\u003e\n\u003cp\u003e4 in x 25 ft UV-inhibited insulated flexible duct, R6 insulation, 10 in-WC positive \/ 1\/2 in-WC negative pressure, 6000 fpm, -20 to 180 F continuous\u003c\/p\u003e\n\u003ch3\u003eProduct Information\u003c\/h3\u003e\n\u003ch4\u003eStandard Information\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: QUIETFLEX\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 460C\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e: Domestic\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer\u003c\/strong\u003e: Quietflex Manufacturing\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: Quietflex\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMPN\u003c\/strong\u003e: 460C\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePart Number\u003c\/strong\u003e: 0460\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSeries\u003c\/strong\u003e: 60 Series\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength\u003c\/strong\u003e: 25 ft\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDiameter\u003c\/strong\u003e: 4 in (inside diameter)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: Polyester \/ Fiberglass with polyethylene vapor barrier\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInsulation Type\u003c\/strong\u003e: Johns Manville formaldehyde-free fiberglass\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eR-Value\u003c\/strong\u003e: R6\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePressure Rating\u003c\/strong\u003e: 10 in-WC positive; 1\/2 in-WC negative\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVelocity Rating\u003c\/strong\u003e: 6000 fpm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTemperature Rating\u003c\/strong\u003e: -20 to 180 F continuous; -20 to 200 F intermittent\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVapor Transmission\u003c\/strong\u003e: 0.11 perms\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCore Reinforcing\u003c\/strong\u003e: Galvanized or bronze metal core\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUV Inhibited\u003c\/strong\u003e: Yes\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSurface Burning Characteristics\u003c\/strong\u003e: Flame spread \u0026lt;25; smoke developed \u0026lt;50; Class 1 rated duct assembly\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDomestic Manufacture\u003c\/strong\u003e: Yes\u003c\/li\u003e\n\u003c\/ul\u003e\n","brand":"QUIETFLEX","offers":[{"title":"Default Title","offer_id":51468250513714,"sku":"460C","price":64.27,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/UVBLACKFLEXDUCT.jpg?v=1783915892","url":"https:\/\/voomisupply.com\/products\/quietflex-460c-uv-inhibited-flexible-air-duct-4-in-x-25-ft","provider":"Voomi Supply","version":"1.0","type":"link"}