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

For use with gas-fired equipment, such as boilers and furnaces, these vent pipes and fittings withstand temperatures up to 400° F. Also known as type B gas vents.

Cover chimneys to reduce downdrafts and prevent obstructions from entering.

Designed to spin freely with the slightest breeze, these fans create a vacuum that draws air out from buildings and ventilation systems—no electricity required.

Belt-drive fans are quieter and have a longer life span than direct-drive fans because components can be replaced if worn or damaged.