The Cajun Kooling CK4700 portable evaporative, swamp air cooler is a Centrifugal fan. It is designed to cool off outdoor living and work areas such as mechanic shops, restaurant patios, tailgating events, barns, outdoor weddings, warehouses, factories, and many more. These coolers use a standard 110/60Hz-Volt outlet and water. This unit holds 32 Gal. of water in a fiber glass insulated tank that will last up to 12 hours of usage for continuous flow. It includes a hose attachment with a float valve system inside, aluminum housing, stainless steel hardware, safety shut-off valve on the pump when the water is low, oscillation mode with adjustable horizontal louvers for more air distribution, 3 speeds with a remote control and 4 in. universal lock wheels. This model covers up to 1700 sq. ft. and includes washable reusable screen protectors on the cooling pads to expand their lifetime. A 6 in. flap door in the front provides easy access for adding ice or manual water inlet. 2-year unlimited warranty on all mechanical parts. Color: gray/white.