Centrifugal Upblast Roof Exhaust Fan Application Industrial and Commercial Buildings Restaurants Schools Drive Type Belt Drive For Air Type Kitchen Air Base Diameter Not Applicable Base Width 42 in Base Length 42 in Base Shape Square Maximum Static Pressure 5/8 in wc Exhaust Airflow @ 0.000 in SP 8 625 cfm Nameplate Voltage 115/208-230V AC Phase 1 Motor Horsepower 1 hp Assembly Unassembled Number of Speeds 1 Housing Material Aluminum Wheel Material Aluminum