Tubeaxial Fan, Blade Diameter 12 in, Maximum Motor Horsepower 3/4 hp, Minimum Motor Horsepower 1/4 hp, Maximum Motor Speed 2,877 RPM, Minimum Motor Speed 1,670 RPM, Maximum Airflow 2,432 cfm, Minimum Airflow 1,300 cfm, Maximum Static Pressure 1 in...