The EcoPlus Chillers are suitable for use in reservoirs, hydroponic systems and 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. Fittings are 3/4 in. 120 V / 60 Hz / 360 W / 3 Amps. Pump Size: Minimum 264 GPH/Maximum 660 GPH. Use with a pump filter bag (product #728188 or #728190). Dimensions are 17.13 in W x 11.61 in D x 18.5 in H and weighs 42.5 lb.