12" Backdraft Damper
12" Backdraft Damper at HorticultureSource.com -
Atmosphere 12" Backdraft Damper (VTBDD12) 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's Product Information MSRP each $ 55.5 UPC 628507200015 Dimensions 5 x 3 x 5 Case Quantity 1