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.