Exhaust Fan Assembled Unassembled Blade Diameter 48 in Blade Material Steel Frame Material Steel For Maximum Motor Horsepower 3 hp For Maximum Motor Speed 618 RPM For Minimum Motor Horsepower 1/3 hp For Minimum Motor Speed 295 RPM Maximum Airflow 31 442 cfm Maximum Static Pressure 0.75 in wg Minimum Airflow 15 009 cfm For Cut-Out Height 50 1/2 in For Cut-Out Width 50 1/2 in For Cut-Out Diameter 50 1/2 in Guard Type None Method of Construction Stamped Number of Blades 6
