Agricultural Exhaust Fan Assembled Assembled Blade Diameter 57 in Blade Material Steel Drive Type Belt Drive Exhaust Airflow @ 0.000 in SP 32 400 cfm For Cut-Out Height 62 1/2 in For Cut-Out Width 62 1/2 in For Minimum Wall Thickness 2 in Frame Finish Gel Coated Frame Material Fiberglass Guard Finish Zinc Plated Guard Material Steel Guard Type Exhaust Housing Material Fiberglass Housing Finish Gel Coat Includes Belt Tensioner Cone Inlet Shutter Includes Dehumidistat No