AXIAL DOWNBLAST ROOF SUPPLY/EXHAUST FAN, MOUNTING LOCATION ROOF, ASSEMBLY UNASSEMBLED, BLADE DIAMETER 48 IN, HOUSING MATERIAL STEEL, EXHAUST AIRFLOW @ 0.000 IN SP 14,711 CFM, FOR HIGH-STATIC PRESSURE APPLICATIONS NO, HIGH-EFFICIENCY MOTOR NO, MAXIMUM STATIC PRESSURE 1/8 IN WC, MOTOR ENCLOSURE TOTALLY ENCLOSED FAN COOLED, MOTOR HORSEPOWER 3/4 HP, NAMEPLATE VOLTAGE 115/208-230V AC, NUMBER OF SPEEDS 1, PHASE 1, MAXIMUM INLET AIR TEMPERATURE 104 DEGR