DAYTON 3HHP5 14 in Backdraft Damper / Wall Shutter, 14-1/2 in x 14-1/2 in
$51.25
17 In.H-W 6 In.L Aluminum Backdraft Damper, Damper Application Backdraft, For Nominal Duct Diameter Not Applicable, Frame Material Galvanized Steel, Number of Panels 1, Maximum Air Velocity 2000 fpm, Overall Height 17 in, Rough Opening Diameter 14 1/2...