18 In.H 28 In.W Non-Drnbl GSteel Intake Louver, Louver Type Stationary Blade, Frame Type Flanged, Frame Depth 4 in, Mounting Style Surface Mount, Outside Height 18 in, Outside Width 28 in, Rough Opening Height 14 in, Rough Opening Width 24 in, Louver...
18 In.H 28 In.W Non-Drnbl GSteel Intake Louver, Louver Type Stationary Blade, Frame Type Flanged, Frame Depth 4 in, Mounting Style Surface Mount, Outside Height 18 in, Outside Width 28 in, Rough Opening Height 14 in, Rough Opening Width 24 in, Louver...