Ducted Evaporative Cooler with Motor Commercial Grade 7 500 cfm Average Coverage Area 4000 sq ft Drive Package With Motor Included Requires Assembly Drive Type Belt Pad Thickness 2 in Number of Inlets for Outside Air Multiple Inlet 3/4 hp HP Amps 13.8/7.6/6.9 115/208-230V AC Pump Voltage 230 1-Phase 115/208-230V AC Phase - Voltage 1 Phase Number of Speeds 1 Water Connection 3/8 in Water Capacity 20 gal