Exhaust fan assembled unassembled blade diameter 42 in blade material steel frame material steel for maximum motor horsepower 5 hp for maximum motor speed 713 rpm for minimum motor horsepower 3 4 hp for minimum motor speed 380 rpm maximum airflow 33 227 cfm maximum static pressure 0.75 In wg minimum airflow 17 709 cfm for cut-out height 44 1 2 in for cut-out width 44 1 2 in for cut-out diameter 44 1 2 in guard type none method of construction stamped number of blades 5
