A spiral seam gives this duct greater strength and rigidity than standard duct.

Fittings have gaskets which create a tight seal—you don't need to seal joints with coating or tape.

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

At about half the height, this oval duct fits in tighter spaces than round and rectangular duct.

Weld flanges to equipment to start a run of duct.

In the event of a fire, these dampers automatically stop airflow through duct.

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

Use in dust collection systems. The slide pushes through the top of the gate to clear debris.

More convenient than other blast gates, these automatic gates open and close in sync with dust collectors, fume exhausters, and other machines.

The panels open and close by turning the knobs.

Add a flexible joint to your system to reduce vibration caused by fans and blowers.

Connect diffusers to duct.

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.

Cover chimneys to reduce downdrafts and prevent obstructions from entering.

Increase or decrease the hose diameter by up to 25% with a two-handed twist.

The strongest nonmetal duct hose we offer, this SBR (styrene butadiene rubber) hose is reinforced with yarn and has a metal spiral.