DEFLECTO FLXC0405 5' Foil W/2 Clamps

This 4 in. Aluminum Duct (Multi-ply, 5 ft.) from Deflecto is a UL181, Class 1 air connector. It can be used in low- to medium-pressure HVAC applications, bathroom venting and general venting. The ducting is also flexible, easy to install and comes with 2 spring clamps.