DAYTON 5C215 24 in Backdraft Damper / Wall Shutter, 24-1/2 in x 24-1/2 in
$181.99
27 In.H-W 6.5 In.L Fiberglass Backdraft Damper, Damper Application Backdraft, For Nominal Duct Diameter Not Applicable, Frame Material Fiberglass, Number of Panels 1, Maximum Air Velocity 2500 fpm, Overall Height 27 in, Rough Opening Diameter 24 1/2...