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 backdraft of air when the fans are switched off.
$ 42.99
$ 0.00
$ 42.99
$ 0.00
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 backdraft of air when the fans are switched off.
$ 62.21
$ 47.85
$ 18.99
$ 29.00
$ 20.00
$ 64.32
$ 49.48
$ 28.22
$ 11.95
$ 87.24
$ 90.57
$ 69.67
$ 52.40
$ 40.31
$ 35.00
