Agricultural Exhaust Fan, Assembled Assembled, Blade Diameter 12 in, Blade Material Polyethylene, Drive Type Direct Drive, Exhaust Airflow @ 0.000 in SP 1,610 cfm, For -Out Height 16 3/4 in, For -Out Width 15 3/4 in, For Maximum Wall Thickness 10 in, For Minimum Wall Thickness 2 in, Frame Finish Polished, Frame Material Polyethylene, Guard Finish Powder Coated, Guard Material Steel, Guard Type Exhaust, Housing Material Polyethylene, Housing Finish Polished White Polypethylene