TUBEAXIAL FAN, DRIVE TYPE BELT DRIVE, INCLUDES DRIVE PACKAGE YES, INCLUDES MOTOR YES, BLADE DIAMETER 24 IN, NAMEPLATE VOLTAGE 115/208-230V AC, PHASE 1, MOTOR HORSEPOWER 1/2 HP, AIRFLOW @ 0.000 IN SP 5,730 CFM, MAXIMUM NOISE LEVEL @ 5 FEET 23 SONES, ASSEMBLY UNASSEMBLED, FOR AIR TYPE FLAMMABLE VAPOR, BLADE MATERIAL ALUMINUM, HOUSING MATERIAL STEEL, NUMBER OF BLADES 6, NUMBER OF SPEEDS 1, MOTOR ENCLOSURE TOTALLY ENCLOSED FAN COOLED, STANDARDS AMCA,