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

Gaskets create a tight seal—you don't need to seal joints with coating or tape.

Evenly distribute air from fans and blowers throughout large spaces.

Weld flanges to equipment to start a run of duct.

Also known as barometric dampers, these dampers improve furnace performance by automatically opening and closing to maintain consistent airflow despite changing environmental conditions.

Regulate airflow by adjusting dampers from fully open to fully closed.

Save energy and increase comfort by heating and cooling only the areas that need it.

These noise reducers mount directly to spiral duct to decrease noise by as much as 50%.

Built to withstand temperatures up to 1000° F, these vent pipes and fittings are for use with boilers, furnaces, stoves, and other equipment that is fired by coal, gas, oil, propane, or wood.