The EcoPlus Water Chiller is a high performance, professional water chiller suitable for usage in fresh or saltwater aquariums, reservoirs, and hydroponic systems. These chillers are equipped with a potent corrosion-resistant titanium heat exchanger, making these machines very powerful for their size and price. The EcoPlus Water Chiller's compressor is robust, efficient and dependable, aiding in overall longevity. This product is also equipped with a micro computer, including a digital LCD display to allow for easy operation. The R13a refrigeration system used by this chiller is energy efficient, environmentally safe and guarded by power surge and memory protection systems. 17.1" x 15.5" x 18.3"