K7935 Insulated Flexible Duct 6 WC 5000 fpm

K7935 Flexible Duct For Nominal Duct Diameter 6 in Wall Thickness 2.5 in Maximum Temperature Rating 140 Degrees F Minimum Temperature Rating -20 Degrees F Insulation Value R 8.0 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