CENTRIFUGAL UPBLAST ROOF EXHAUST FAN, APPLICATION INDUSTRIAL AND COMMERCIAL BUILDINGS, DRIVE TYPE BELT DRIVE, FOR AIR TYPE FLAMMABLE VAPOR, BASE DIAMETER NOT APPLICABLE, BASE WIDTH 26 IN, BASE LENGTH 26 IN, BASE SHAPE SQUARE, MAXIMUM STATIC PRESSURE 1 1/2 IN WC, EXHAUST AIRFLOW @ 0.000 IN SP 3,996 CFM, NAMEPLATE VOLTAGE 208-230/460V AC, PHASE 3, MOTOR HORSEPOWER 1 HP, ASSEMBLY UNASSEMBLED, NUMBER OF SPEEDS 1, HOUSING MATERIAL ALUMINUM, WHEEL MATE