DAYTON 3C115 54 in Backdraft Damper / Wall Shutter, 54-1/2 in x 54-1/2 in
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$555.99
product description
57 In.H-W 6 1/4 In.L Alum Wall Fan Shutter, Damper Application Backdraft, For Nominal Duct Diameter Not Applicable, Frame Material Galvanized Steel, Number of Panels 2, Maximum Air Velocity 2500 fpm, Overall Height 57 in, Rough Opening Diameter 54 1/2...Read More