Active Air Backdraft Damper, 4 (ACBD4)

Made of galvanized steel, these dampers prevent air leakage into your fan setup. They are easy to install, fit directly onto the ducting, and prevent a back draft of air when the fans are switched off.

Manufacturer's Product Information

MSRP each $ 17.95 UPC 638104007818 Dimensions 6.6 x 4.1 x 6.8 Case Weight 10 Case Quantity 20

— Ships from HF: OR, CA, CO, PA, TX, FL USA (not via USPS).