Damper, Vert/Horiz Mtg, 17 3/4 Sq
$54.99
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$54.99
Regular price
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17.75 In.H-W 4.5 In.L Alu Univ Backdraft Dampr, Damper Application Backdraft, For Nominal Duct Diameter 18 in, Frame Material Galvanized Steel, Number of Panels 1, Maximum Air Velocity 2000 fpm, Overall Height 17 3/4 in, Rough Opening Diameter 18 in, Rough Opening Shape Square, Fits Fan Diameter 18 in, For Duct Shape Square, Free Area 2.2 sq ft, Overall Width 17 3/4 in, Frame Material Thickness 20 ga, Overall Length 4 1/2 in, Frame Depth 2 in, Rough Opening Length 18 in, Maximum Pressure 1 in wc
Damper, Vert/Horiz Mtg, 17 3/4 Sq
$54.99
Sale price
$54.99
Regular price