Centrifugal Upblast Roof Exhaust Fan Application Industrial and Commercial Buildings Restaurants Schools Drive Type Belt Drive Wheel Diameter 24 1/2 in Base Diameter Not Applicable Base Length 34 in Base Width 34 in Base Shape Square Maximum Static Pressure 2 3/4 in wc Maximum Airflow 6 895 cfm Minimum Airflow 1 940 cfm Maximum Motor Horsepower 3 hp Minimum Motor Horsepower 1/2 hp Maximum Motor Speed 1 240 RPM Minimum Motor Speed 680 RPM Assembly Unassembled