Powerful circulation pump for aquatic tanks For use as a circulation and return pump in saltwater and freshwater aquatic tanks. Strong pump body. Electronically controlled energy-saving motor with high efficiency. Polished ceramic shaft and alloy ensure quiet operation and long-term maintenance-free use. Can be set up underwater or above water. Pre-filter basket and hose connectors included. Available: 6000, 9000, 12000 Voltage: 230 V~ / 50 Hz