{"product_id":"flex-480-4-inch-silver-flex-duct","title":"4 Inch Silver Flex Duct","description":"\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003eThe QuietFlex Rip-Stop Silver Jacket Flex Duct\u003c\/strong\u003e \u003c\/span\u003ehas a metallic, polyester “ vapor barrier with a special œrip-stop inches scrim reinforcement.\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003eCore:\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\r\n\u003cul\u003e\r\n\u003cli\u003eTwo tough plies of black polyester film encapsulate a steel wire helix. Rated pressures per UL-181: 10 in. W.C. positive, 1\/2 W.C. negative. Rated max. air velocity: 4000 FPM\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003cp\u003e\u003cbr\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003eThermal Characeristics:\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\r\n\u003cul\u003e\r\n\u003cli\u003eR-6 certified by Underwriters Laboratories Inc. and the Air Diffusion Council in accordance with ADC Flexible Duct Performance and Installation Standards using ASTM C-518 at installed wall thickness on flat insulation only.\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003cp\u003e\u003cbr\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003eVapor Barrier:\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\r\n\u003cul\u003e\r\n\u003cli\u003eA durable black polyethylene vapor barrier provides improved protection against ultra violet light. High tensile multi-directional fiberglass scrim is used under the vapor barrier to provide additional strength and tear resistance. Perm rating of 0.1 perms when measured per ASTM E96, Method A.\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003cp\u003e\u003cbr\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cb\u003eLength:\u003c\/b\u003e\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\r\n\u003cul\u003e\r\n\u003cli\u003e25ft\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003cp\u003e\u003cbr\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003e**THIS PRODUCT WILL ONLY BE SOLD WITH THE PURCHASE OF AN AIR CONDITIONING UNIT OR SYSTEM, NOT ON ITS OWN**\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"The AC Outlet","offers":[{"title":"Default Title","offer_id":48139339202727,"sku":"FLEX-480","price":69.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0727\/0416\/4007\/files\/FLEX_9.png?v=1769142573","url":"https:\/\/theacoutlet.com\/products\/flex-480-4-inch-silver-flex-duct","provider":"The AC Outlet","version":"1.0","type":"link"}