The "rip-stop" silver jacket flexduct has a metallic, polyester-vapor barrier with a special "rip-stop" scrim reinforcement. Standard diameters are available in 4" to 22" with 25' per bag.
The flexible air duct is warranted by Quietflex
Manufacturing Company, L.P., for five (5) years against
defects in material and workmanship. This warranty is for
exchange of duct and does not include installation.