The EcoPlus Chillers are suitable for use in reservoirs, hydroponic systems & fresh or saltwater aquariums. Each chiller provides a high performance titanium heat exchanger for optimum performance and corrosion resistance. High quality made compressor is extremely efficient and reliable. The micro computer with digital LCD display allows for easy operation. Use with a pump filter bag (product #728188 or #728190). Dimensions are 13″ W x 15″ D x 16″ H and weighs 48.5 lbs. One year limited warranty. • Fittings are 3/4″ and the BTU is 2200. • 120V-60Hz/480 watts/4 amps. • Capable of Chilling: 170 gal – 10° F/100 gal – 30° F. • Pump Size: Minimum 633 GPH/Maximum 1056 GPH.