Inline Butterfly Backdraft Damper with Spring
$29.95
Description
BACKDRAFT DAMPER: The damper is designed to be slightly undersized to fit inside a round duct. It can be used in both horizontal or vertical positions and the foam seal provides minimal air leakage..VERSATILE: It can be used for heat exchangers, exhaust systems, solar heating systems, and other intake or exhaust applications where a powered damper is not needed.MADE IN THE USA: It is made from sturdy galvanized steel and is available in multiple sizes
