The Panta Rhei EMC42 Hyrdrowizard is a state of the art in-tank hi flow, silent, propeller pump. German designed and engineered for superior performance and efficiency. Silent Movement of over 2,968 gph. Variable speed, Random, Pulse, Wave Mode. Includes super magnets to mount the Hydrowizard to the side of your aquarium. Up to 2,968 gph with a maximum consumption of 31 watts. US Version so no inverter is required. (110V)