Air Flow Rate : 4000 Fpm Vapor Transmission : 0.04 Temperature Rating : -20 To 240 Deg F Material : Polyester Finish : Silver Outside Diameter : 4 In Length : 10 Ft
Nominal Size : 4 In Temperature Rating : 400 Deg F Material : Aluminum Length : 8 Ft Suitable For : General Exhausting Includes : 4 In X 8 Ft Flexible Semi-Rigid Duct