Backdraft Damper 4” (eco-5766)
Active Air Backdraft Dampers
Made of galvanized steel, the Active Air Backdraft 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 || |
— Ships from Seattle, Washington USA.