Make solid connections with this Semi-Rigid Aluminum Duct (3 in. dia. x 8 ft.) from Deflecto. The semi-rigid duct is flexible for easy installation, and it's also fire resistant.

This Anderson Metals union coupling is made of brass and connects two hoses with the same diameter in a straight run. This coupling has barbed connections on both ends for connecting two hoses. The barbed stems create a tight seal on flexible and semi-rigid hose when used with a hose clamp or crimp...

Flexible Semi-Rigid duct expands to 8' long for clothes dryer, bathroom, kitchen or attic venting case dimensions: 28.5"H x 13.5"W x 13.5"D.