No need for clamps or connectors—duct and fittings have a male end that is slightly smaller than its female end for simple assembly.

Made of PVC plastic to withstand acids, alkalies, salts, and other corrosive vapors and fumes.

Often used in tight spaces, such as in walls and ceilings, rectangular duct allows you to select larger sizes without increasing duct height.

Weld flanges to equipment to start a run of duct.