Cost-saving, energy-efficient, and submersible, the Alpine Corporation Eco-Twist Pump with Controller is the perfect addition to your outdoor pond. This energy-efficient pump reduces power consumption up to 70% compared to the standard pump. Eco-Twist boasts new magnetic technology engineered to deliver continuous, reliable high-power performance and high flow rates for filtration systems, waterfalls, and pond skimmers. Available in a variety of sizes, the Alpine Corporation Eco-Twist Pump with Controller pumps 5300 gallons per hour. With a 3-year warranty, you can be confident in the quality of your purchase. Measures 12"L x 6"W x 7"H for use in ponds up to 33 feet wide.