Nominal Size : 4 In R-Value : 4.2 Temperature Rating : -20 To 250 Deg F Insulated/Non Insulated : Insulated Material : Fiberglass/Polyester/Polyethylene Color : Black Length : 25 Ft
Air Flow Rate : 4000 Fpm Vapor Transmission : 0.04 Temperature Rating : -20 To 240 Deg F Material : Polyester Finish : Silver Outside Diameter : 3 In Length : 25 Ft
Air Flow Rate : 4000 Fpm Vapor Transmission : 0.04 Temperature Rating : -20 To 240 Deg F Material : Polyester Finish : Silver Outside Diameter : 8 In Length : 25 Ft