Ruck Air - Movement Back Draft Damper

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Galvanized Back Draft Dampers feature a lightweight aluminum blade, which is spring loaded for positive closure.Designed to allow airflow in one direction and prevent reverse airfl ow. Backdraft dampers (also known as gravity dampers) are used in ventilation systems to allow airow in one direction and prevent airow in the opposite direction. A relief damper is developed with an elevated and adjustable start-open pressure while providing the backdraft function. Show more