Description The American built WCM28 evaporative window is an economical unit that provides high performance, easy installation and low maintenance. Evaporative coolers are intended for use in dry, arid climates. They can lower indoor temperatures by as much as 15-20Â F. Evaporative coolers have low installation/maintenance costs; use 75% less electricity; no ozone damaging refrigerants. The water saturated pads act as a type of filter, removing dust and allergens from the air.PRODUCT DETAIL:Cools 400 - 600 sq. ft. to help keep your living space comfortable Circulates up to 2,800 CFM for powerful operation Comes with a Direct Drive, 2 speed, 120V motor, installation kit and leveling leg Permanently lubricated pump for years of worry free use Machine balanced blower wheel for smooth, quiet operation and maximum air delivery Cabinet made from heavy-gauge galvanized steel to resist weather and impact All metal surfaces treated for corrosion with electrostatically applied UV-stabilized polyester powder finish Bolted construction for easy installation and access to replaceable parts UL Listed for safe operation Ideal for dry, arid climates Built in USA of domestic and imported parts