Ruskin India High performance stationary louvers (L-375D-AL ) in Aluminum construction.

The frame is in Aluminum construction with 102mm depth and 18G and Aluminum drainable blades  in16G spaced 89 mm center to center.The blade angle is at 37.5 degree and approximate free area of 50%.The Bird screen is ½” Mesh 19 G Aluminum steel frame. Screen adds approximately ½” to louver  depth.