Lifegard Quiet One Pro Series Water Pump Eco-Sav runs cooler and generates more power with less energy consumption. Internal recirculation prevents overheating and ejects obstructing debris. Remarkable impeller technology provides combined rotors, improved shaft materials, and corrosion-resistant bearings. EZ access cover allows ease of maintenance of rotor, shaft, and removable impellers. Innovative cooling chambers provide air-cooling during dry use and water-cooling in wet applications. runs cooler and generates more power with less energy consumptionEasy access cover allows ease of maintenance of rotor, shaft and removable impellersRemarkable impeller technology provides combined rotors, improved shaft materials and corrosion resistanceInnovative cooling chambers provide air-cooling during dry use and water-cooling in wet applicationsInternal recirculation prevents overheating and ejects obstructing debris