Cooling Fan, Blade Diameter 16 in, Overall Diameter 16 1/4 in, Motor Horsepower 1/4 hp, Motor Speed 2,600 RPM, Motor Enclosure Totally Enclosed, Number of Blades 10, Overall Depth 3 1/4 in, Airflow @ 0.000 in SP 2,170 cfm, Airflow @ 0.125 in SP 1,950...