DAYTON 4GY95 48 in Agricultural Wall Exhaust Shutter, 54 in x 54-1/2 in
$514.99
57 1/4 In.H-W Aluminum Wall Backdraft Dampr, Frame Material Galvanized Steel, Number of Panels 2, Maximum Air Velocity 2500 fpm, Overall Height 57 1/4 in, Rough Opening Shape Rectangular, Fits Fan Diameter 48 in, Free Area 16.7 sq ft, Overall Width 57...