DAYTON 3HHR1 16 in Backdraft Damper / Gable Shutter, 17 in x 17 in
$61.95
19 In.H-W 5 1/4 In.L Alu Gable Shutter Dampr, For Nominal Duct Diameter Not Applicable, Frame Material Aluminum, Number of Panels 1, Maximum Air Velocity 2500 fpm, Overall Height 19 in, Rough Opening Diameter 16 1/2 in, Rough Opening Shape Square, Fits...