BLOWER, WHEEL TYPE FORWARD-CURVED, INCLUDES DRIVE PACKAGE YES, ASSEMBLY UNASSEMBLED, WHEEL DIAMETER 15 1/2 IN, AIRFLOW @ 0.375 IN SP 4,880 CFM, AIRFLOW @ 0.500 IN SP 4,625 CFM, AIRFLOW @ 0.750 IN SP 1,660 CFM, MAXIMUM STATIC PRESSURE 3/4 IN WC, MAXIMUM INLET AIR TEMPERATURE 140 DEGREES F, SHAFT DIAMETER 1 IN, BEARING TYPE BALL, WHEEL MATERIAL STEEL, HOUSING MATERIAL STEEL, NUMBER OF INLETS 2, NAMEPLATE VOLTAGE 230/460V AC, PHASE 3