Description
- Damper opens with air flow and closes when the air flow stops.
- Spring loaded with positive closure and a rubber gasket.
- Country of Origin: UKRAINE.
- Size: 3-7/8"D x 3-1/16"L.
- Dimensions: 4.3"Lx4.3"Wx4.5"H. Weight: 1 lbs.
Spring Loaded Backdraft Damper,4"
