{"product_id":"4-silver-flex","title":"4” Silver Flex","description":"\u003cp\u003e4” Silver Flex\u003c\/p\u003e\n\u003cul class=\"KsbFXc U6u95\" jscontroller=\"mPWODf\" jsuid=\"svM54b_u\" data-processed=\"true\" data-complete=\"true\"\u003e\n\u003cli jscontroller=\"vsuOFb\" jsuid=\"svM54b_v\" data-hveid=\"CAYQAA\" data-complete=\"true\" data-sae=\"\"\u003e\u003cspan class=\"T286Pc\" data-sfc-cp=\"\" jscontroller=\"fly6D\" jsuid=\"svM54b_w\" data-complete=\"true\"\u003e\u003cstrong class=\"Yjhzub\" jscontroller=\"zYmgkd\" jsuid=\"svM54b_x\" data-complete=\"true\"\u003eBrand and Series:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe product is manufactured by Quietflex Manufacturing and belongs to their Series 80 line.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli jscontroller=\"vsuOFb\" jsuid=\"svM54b_y\" data-hveid=\"CAYQAQ\" data-complete=\"true\" data-sae=\"\"\u003e\u003cspan class=\"T286Pc\" data-sfc-cp=\"\" jscontroller=\"fly6D\" jsuid=\"svM54b_z\" data-complete=\"true\"\u003e\u003cstrong class=\"Yjhzub\" jscontroller=\"zYmgkd\" jsuid=\"svM54b_10\" data-complete=\"true\"\u003eMaterial:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eIt features a metallic polyester vapor barrier with a \"rip-stop\" scrim reinforcement for durability. The core is made of two plies of black polyester film encapsulating a steel wire helix, and is insulated with Johns Manville Formaldehyde-free™ fiberglass.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli jscontroller=\"vsuOFb\" jsuid=\"svM54b_11\" data-hveid=\"CAYQAg\" data-sae=\"\" data-complete=\"true\"\u003e\u003cspan class=\"T286Pc\" data-sfc-cp=\"\" jscontroller=\"fly6D\" jsuid=\"svM54b_12\" data-complete=\"true\"\u003e\u003cstrong class=\"Yjhzub\" jscontroller=\"zYmgkd\" jsuid=\"svM54b_13\" data-complete=\"true\"\u003eDimensions:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eIt has an internal diameter of\u003cspan\u003e \u003c\/span\u003e\u003cstrong class=\"Yjhzub\" jscontroller=\"zYmgkd\" jsuid=\"svM54b_14\" data-complete=\"true\"\u003e4 inches\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand is typically sold in\u003cspan\u003e \u003c\/span\u003e\u003cstrong class=\"Yjhzub\" jscontroller=\"zYmgkd\" jsuid=\"svM54b_15\" data-complete=\"true\"\u003e25-foot\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003elengths.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli jscontroller=\"vsuOFb\" jsuid=\"svM54b_16\" data-hveid=\"CAYQAw\" data-complete=\"true\" data-processed=\"true\" data-sae=\"\"\u003e\u003cspan class=\"T286Pc\" data-sfc-cp=\"\" jscontroller=\"fly6D\" jsuid=\"svM54b_17\" data-complete=\"true\"\u003e\u003cstrong class=\"Yjhzub\" jscontroller=\"zYmgkd\" jsuid=\"svM54b_18\" data-complete=\"true\"\u003eInsulation Rating:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eIt has an R6 insulation rating, offering enhanced thermal efficiency compared to standard R4 ducts.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli jscontroller=\"vsuOFb\" jsuid=\"svM54b_19\" data-hveid=\"CAYQBA\" data-complete=\"true\" data-processed=\"true\" data-sae=\"\"\u003e\n\u003cspan class=\"T286Pc\" data-sfc-cp=\"\" jscontroller=\"fly6D\" jsuid=\"svM54b_1a\" data-complete=\"true\"\u003e\u003cstrong class=\"Yjhzub\" jscontroller=\"zYmgkd\" jsuid=\"svM54b_1b\" data-complete=\"true\"\u003ePerformance:\u003c\/strong\u003e\u003c\/span\u003e\n\u003cul class=\"KsbFXc U6u95\" jscontroller=\"mPWODf\" jsuid=\"svM54b_1c\" data-complete=\"true\"\u003e\n\u003cli jscontroller=\"vsuOFb\" jsuid=\"svM54b_1d\" data-hveid=\"CAYQBQ\" data-complete=\"true\" data-sae=\"\"\u003e\u003cspan class=\"T286Pc\" data-sfc-cp=\"\" jscontroller=\"fly6D\" jsuid=\"svM54b_1e\" data-complete=\"true\"\u003e\u003cstrong class=\"Yjhzub\" jscontroller=\"zYmgkd\" jsuid=\"svM54b_1f\" data-complete=\"true\"\u003eMaximum Air Velocity:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e4,000 FPM (Feet Per Minute) according to The AC Outlet, and up to 6,000 fpm according to Grainger.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli jscontroller=\"vsuOFb\" jsuid=\"svM54b_1g\" data-hveid=\"CAYQBg\" data-complete=\"true\" data-sae=\"\"\u003e\u003cspan class=\"T286Pc\" data-sfc-cp=\"\" jscontroller=\"fly6D\" jsuid=\"svM54b_1h\" data-complete=\"true\"\u003e\u003cstrong class=\"Yjhzub\" jscontroller=\"zYmgkd\" jsuid=\"svM54b_1i\" data-complete=\"true\"\u003eTemperature Range:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eSuitable for temperatures from -20°F to 200°F (-29°C to 93°C).\u003c\/span\u003e\u003c\/li\u003e\n\u003cli jscontroller=\"vsuOFb\" jsuid=\"svM54b_1j\" data-hveid=\"CAYQBw\" data-complete=\"true\" data-sae=\"\"\u003e\u003cspan class=\"T286Pc\" data-sfc-cp=\"\" jscontroller=\"fly6D\" jsuid=\"svM54b_1k\" data-complete=\"true\"\u003e\u003cstrong class=\"Yjhzub\" jscontroller=\"zYmgkd\" jsuid=\"svM54b_1l\" data-complete=\"true\"\u003eMaximum Pressure:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eRated for a maximum pressure of 10 in. W.C. positive.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli jscontroller=\"vsuOFb\" jsuid=\"svM54b_1m\" data-hveid=\"CAYQCA\" data-complete=\"true\" data-processed=\"true\" data-sae=\"\"\u003e\u003cspan class=\"T286Pc\" data-sfc-cp=\"\" jscontroller=\"fly6D\" jsuid=\"svM54b_1n\" data-complete=\"true\"\u003e\u003cstrong class=\"Yjhzub\" jscontroller=\"zYmgkd\" jsuid=\"svM54b_1o\" data-complete=\"true\"\u003eCertifications:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe product is ETL Listed and meets UL 181 Class 1 Air Duct standards, conforming to NFPA 90A and 90B standards.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli jscontroller=\"vsuOFb\" jsuid=\"svM54b_1p\" data-hveid=\"CAYQCQ\" data-complete=\"true\" data-processed=\"true\" data-sae=\"\"\u003e\u003cspan class=\"T286Pc\" data-sfc-cp=\"\" jscontroller=\"fly6D\" jsuid=\"svM54b_1q\" data-complete=\"true\"\u003e\u003cstrong class=\"Yjhzub\" jscontroller=\"zYmgkd\" jsuid=\"svM54b_1r\" data-complete=\"true\"\u003eApplication:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eIt is intended for use in residential and light commercial heating and air conditioning (HVAC) systems and certain venting applications.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":null,"offers":[{"title":"Default Title","offer_id":51678292836665,"sku":"480","price":45.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0968\/1695\/5705\/files\/sil-flex_28cfaf1f-4ae9-4df5-83b8-3750182a7635.jpg?v=1768066319","url":"https:\/\/acpartsdirectfl.com\/products\/4-silver-flex","provider":"AC Parts Direct","version":"1.0","type":"link"}