Portable Evaporative Cooler Air Flow 3 600 cfm Average Coverage Area 900 sq ft Blower Wheel Blade Diameter Drive Type Direct Drive Pad Thickness 13 in 1/2 hp HP 8.3 A Amps 115V AC Pump Voltage 120V AC NEMA Plug Configuration - HVAC 5-15P Power Cord Length 12 ft Number of Speeds Variable Water Connection 1 in 30 gal Water Capacity Fill Type Hose or Manual Fill