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|
|Dimensions||6.6 x 4.1 x 6.8|
— Ships from HF: Oregon, North & South California, Colorado, Pennsylvania, Texas, Florida USA.