Description
and prevent a backdraft of air when the fans are switched off
Keep an extra pack on hand for emergencies or when you cannot get a tank refill
and other installations
UL-recognized components
-Requires Internet Router with WPS
Backdraft Dampers Size:4in and prevent a backdraft ofMade 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 backdraft of air when the fans are switched off.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
