Weatherhood, For Blade Diameter 10 in, For -Out Height 12 1/2 in, For -Out Width 12 1/2 in, For -Out Height (With Wall Collar) 15 5/8 in, For -Out Width (With Wall Collar) 15 5/8 in, Overall Height 14 1/4 in, Overall Width 14 1/4 in, Overall Depth 12 1/2 in, Material Steel, Thickness 20 ga, Finish Galvanized