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| Tools & Home Improvement > Building Supplies > Heating & Cooling > Ducting |
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| Product Description The housing is constructed from 20-gauge steel, and the unit contains aluminum spring-loaded butterfly damper blades and a gasket that's designed to withstand temperatures from -22 to 180ºF.High-quality Backdraft Dampers offer phenomenal airflow control, with features like neoprene damper seals for minimal leakage and exterior foam gaskets that ensure a tight seal against the duct. Backdraft Damper Shipping Weight: 6.4 ounces | ||||||||
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