Dayton window evaporative coolers are used for cooling rooms, small homes and garages. These coolers do not require ductwork and use wet evaporative pads for producing cool, humidified air. They provide flow rates up to 4800 cfm and feature painted finish to resist corrosion on exposed surfaces. These window evaporative coolers have a water capacity of 15 gallons and are available in blade diameters of 9, 12 & 16 inches.