Door Louver, Material Aluminum, Finish Clear Anodized, Louver Opening Height 16 1/2 in, Louver Opening Width 20 1/2 in, Rough Opening Height 16 1/2 in, Outside Height 18 1/8 in, Outside Width 22 1/4 in, Free Area 1.3 sq ft, Flange Width 1 1/4 in,...
Door Louver, Material Aluminum, Finish Clear Anodized, Louver Opening Height 16 1/2 in, Louver Opening Width 20 1/2 in, Rough Opening Height 16 1/2 in, Outside Height 18 1/8 in, Outside Width 22 1/4 in, Free Area 1.3 sq ft, Flange Width 1 1/4 in,...