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 1/2 in wc Maximum Airflow 6 891 cfm Minimum Airflow 2 673 cfm Maximum Motor Horsepower 3 hp Minimum Motor Horsepower 1/2 hp Maximum Motor Speed 1 230 RPM Minimum Motor Speed 675 RPM Assembly Unassembled