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.
$ 31.99
$ 0.00
$ 31.99
$ 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.
$ 53.83
$ 41.41
$ 55.12
$ 42.40
$ 69.04
$ 53.11
$ 69.95
$ 59.95
$ 82.95
$ 63.81
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$ 48.56
$ 29.95
$ 67.93
$ 52.25
$ 84.29
$ 64.84
$ 67.18
$ 51.68
