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 10.5" W x 12" D x 14" H and weighs 31 lbs. LTL shipping is required.