CENTRIFUGAL UPBLAST ROOF EXHAUST FAN, APPLICATION KITCHENS, DRIVE TYPE BELT DRIVE, FOR AIR TYPE KITCHEN AIR, BASE DIAMETER NOT APPLICABLE, BASE WIDTH 25 1/8 IN, BASE LENGTH 25 1/8 IN, BASE SHAPE SQUARE, MAXIMUM STATIC PRESSURE 1 1/4 IN WC, EXHAUST AIRFLOW @ 0.000 IN SP 3,636 CFM, NAMEPLATE VOLTAGE 208-230/460V AC, PHASE 3, MOTOR HORSEPOWER 3/4 HP, ASSEMBLY UNASSEMBLED, NUMBER OF SPEEDS 1, HOUSING MATERIAL STEEL, WHEEL MATERIAL STEEL, HIGH-EFFICIE