Uplast Exhauster Application Commercial Buildings Factories Offices Warehouses Drive Type Belt Drive Wheel Diameter 24 1/2 in Base Diameter Not Applicable Base Length 33 1/8 in Base Width 33 1/8 in Base Shape Square Maximum Static Pressure 2 1/4 in wc Maximum Airflow 8 600 cfm Minimum Airflow 4 700 cfm Maximum Motor Horsepower 5 hp Minimum Motor Horsepower 1/2 hp Maximum Motor Speed 1 200 RPM Minimum Motor Speed 1 200 RPM Assembly Unassembled Housing Material Aluminum