Atco 13002506 Flexible Duct 6 in Dia, 25 ft Lg, R 4.2, 0.05% Vapor Trans, Fiberglass, Metallized Polyester

Flexible Duct, For Nominal Duct Diameter 6 in, Wall Thickness 1.25 in, Maximum Temperature Rating 180 Degrees F, Minimum Temperature Rating -20 Degrees F, Insulation Value R 4.2, Color Silver, Overall Length 25 ft, Duct Material Fiberglass, Jacket Material Metallized Polyester, Fire Rating Flame Spread: 25 Max; Smoke Developed: 50 Max, Maximum Pressure Rating 6 in wc, Maximum Air Speed 5,000 fpm, Vapor Transmission 0.05 Percent Flexible Duct Item Insulated Flexible Duct Flexible Duct Wall Thickness 1 1/4 in Insulation Value R 4.2 Material Polyester UPC Number 30 Vapor Transmission 0.05 % For Use With Heating and Cooling Systems Max. Pressure 6 in WC Max. Air Flow 5,000 fpm Standards California State Fire Marshal, City of Chicago, Dade County, Florida, cUL Listed, HUD, IMC, IRC, New York City, NFPA 90A & B, City of San Francisco, UL Listed, UMC Item Flexible Duct Features Air Tight Inner Core, Encapsulated Wire Helix, Smooth Inner Core, Thick Blanket of