CENTRIFUGAL ROOF SUPPLY FAN, INCLUDES DRIVE PACKAGE YES, INCLUDES MOTOR YES, MOUNTING LOCATION ROOF, WHEEL DIAMETER 18 1/2 IN, BASE DIAMETER NOT APPLICABLE, BASE LENGTH 42 IN, BASE SHAPE SQUARE, BASE WIDTH 42 IN, NAMEPLATE VOLTAGE 115/208-230V AC, PHASE 1, MOTOR HORSEPOWER 1 1/2 HP, MAXIMUM STATIC PRESSURE 3/4 IN WC, SUPPLY AIRFLOW @ 0.000 IN SP 6,671 CFM, NUMBER OF FILTERS 2, FILTER HOUSING DEPTH 32 IN, FILTER HOUSING HEIGHT 30 3/4 IN, FILTER HO