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 3.5/3.2/1.6 208-230/460V AC Pump Voltage 115 3-Phase 208-230/460V AC Phase - Voltage 3 Phase Number of Speeds 1 Water Connection 3/8 in Water Capacity 17 gal