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.
$ 19.29
$ 0.00
$ 19.29
$ 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.
$ 99.00
$ 83.46
$ 64.20
$ 60.81
$ 46.78
$ 66.90
$ 51.46
$ 79.16
$ 60.89
$ 81.46
$ 62.66
$ 59.99
$ 26.49
$ 19.92
$ 39.00
$ 31.05
