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The FAMCO BD14 Backdraft Damper is designed for use in heat exchangers, exhaust systems, solar heating systems, and other intake or exhaust applications where a powered damper is not required. Constructed from 28 gauge galvanized steel, this 14 inch damper operates effectively in both horizontal and vertical positions. Its unique design allows it to open easily with normal air flow and close securely with gravity, while a foam seal minimizes air leakage.
Gravity-operated damper with foam seal for minimal air leakage in various HVAC applications.
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