Portacool PAC2K482S 48-Inch Portable Evaporative Cooler, 20000 CFM, 4000 Square Foot Cooling Capacity, 2-Speed, Black Superior cooling that can cover up to 4,000-Square Ft. lowering the temperature 15 to 25 Degree 40-Gallon water capacity with garden hose hookup Two speed operation, cord wrap, and polyolefin casters Constructed of durable one-piece, rust free, leak proof, molded polyethylene for tough environments Uses high-efficiency KUUL Pads rigid media and tap water to generate 10-25 Degree cooler air