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 1 1/2 in wc Maximum Airflow 6 672 cfm Minimum Airflow 4 216 cfm Maximum Motor Horsepower 3 hp Minimum Motor Horsepower 1/4 hp Maximum Motor Speed 1 050 RPM Minimum Motor Speed 465 RPM Assembly Unassembled