Back Draft Damper 8″
A round back draft damper complete with a spring.
Exhaust air from room and keep debris and bacteria from coming in.
Designed to allow airflow in one direction and prevent reverse airflow.
- Spring loaded for positive closure
- Duct Diameter : 8 inches
- Backdraft dampers with galvanized steel collar and lightweight aluminum damper blades

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Back Draft Damper 10"
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