Back Draft Damper 12″
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 : 12 inches
- Backdraft dampers with galvanized steel collar and lightweight aluminum damper blades

120 Volt Power Cord With Outlet
Power Relay - 240 Volt 40 Amp
Back Draft Damper 10"
Elicent Inline Fan 08" 






