Deep Blue Professional Kryos advanced aquatic system 40 chiller put you in complete control of your aquatic environment. Changing the settings via the front panel controls, decide whether to go for maximum efficiency or extreme chilling power. The easy-to-read digital display keeps you informed of the precise temperature at which your system is operating, while the top-quality compressor and titanium heat exchanger ensure the ultimate in trouble-free service. Features 1/4-horsepower for 130-190-gallon tanks, 350-950 GPH flow rate, 39-90 degrees Fahrenheit range and 3.6-amperes.