Champion 5500 CFM Side Draft Roof/Wall Evaporative Cooler for 2300 sq. ft. (Motor Not Included). For use with a 1/2 or 3/4 hp, 1- or 2-speed motor (sold separately). Uses dependable aspen pads. Easy connect to water supply for continuous operation, Galvanized steel cabinet provides durability, Tough, polyester-resin coating on exterior surface and 1-piece bottom pan helps prevent corrosion and leaks. 1-year limited warranty; 8-year warranty on base assembly due to rust outChampion Cooler 6500 CFM Side Draft Duct Evaporative Air Cooler, Multicolor Evapcool design with 6500 CFM airflow capacity Effectively cools areas ranging from 1400 to 2300 square feet Compatible with 1/2 HP or 3/4 HP motors (motor not included) Features a 2-speed motor option for customizable cooling Constructed with durable aspen pads for efficient cooling