4" Backdraft Damper
Atmosphere’s all new galvanized steel back draft dampers fit directly into the duct simplifying installation. They feature a shaft for each of the 2 flaps so to prevent jamming. Also, the flaps close onto a perimeter gasket ensuring the best air seal and quiet operation.
Manufacturer: Atmosphere
SKU: VTBDD4
UPC: 6.29E+11
Unit of Measure: EACH