Exhaust fan assembled unassembled blade diameter 42 in blade material steel frame material steel for maximum motor horsepower 1 1 2 hp for maximum motor speed 608 rpm for minimum motor horsepower 1 3 hp for minimum motor speed 369 rpm maximum airflow 20 998 cfm maximum static pressure 0.75 In wg minimum airflow 10 191 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 6
