Check the listing for details. ULTRACOOL CP70 Portable Evaporative Cooler,700 cfm 39E720. Condition: New. Listed at 284.62 USD. Portable Evaporative Cooler, Air Flow 700 cfm, Average Coverage Area 350 sq ft, 11 1/2 in Blade Diameter, Drive Type Direct Drive, Pad Thickness 2 in, 1/3 hp HP, 0.7 A Amps, 120V AC, Pump Voltage 115V AC, NEMA Plug Configuration - HVAC 5-15P, Power Cord Length 7 1/2 ft, Number of Speeds 3, 6 gal Water Capacity, Fill Type Manual Fill Portable evaporative coolers provide cool, humidified air in areas without combustible vapors, gases, or dust. These wheeled swamp coolers pull in warm surrounding air, pass it through wet media to remove heat, and blow out the cooled air. They require regularly draining and cleaning the water tank and allowing the media to dry thoroughly between uses to prevent odors and clogging from sludge buildup.Portable evaporative and misting coolers have wheels for posi.