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BD - Rectangular Backdraft Damper
0.00 0.0 USD
Backdraft Damper with Aluminum Blades and Frame, actual size 1/4" undersized
RSK - Round Backdraft Damper
0.00 0.0 USD
Backdraft damper for circular duct. 25GA galvanized steel casing, spring loaded aluminum butterfly blades, EPBM syntetic rubber gasket, SS torsion spring,