Back Draft Dampers Prevent Reverse Airflow For Air Duct Applications Including Commercial, Industrial, Residential And More.
Back draft dampers are made of steel for long lasting durability and dependability. Dampers regulate air ventilation flow, prevent external entry and deter intrusion. Units are spring loaded with positive closure and rubber gasket. Package quantity is 1. Colors are Mill and Silver. ETL listed. Dimensions vary per model.
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