DAYTON 5C213 18 in Backdraft Damper / Wall Shutter, 18-1/2 in x 18-1/2 in
21 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 21 in, Rough Opening Diameter 18 1/2...
$140.99 View More
