Backdraft Damper 10’’Design features: Spring loaded backdraft dampers Neoprene damper seal minimizes leakage Requires from 0. 04 to 0. 08 inches wg pressure to open Simple installation in any position Entire assembly inserts into duct
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product description
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Design features:
Spring-loadedbackdraft dampers
Neoprene damper seal minimizes leakage
Requires from 0.04 to 0.08 inches wg pressure to open