Voyager Sicce Nano 530 GPH - Aquarium Circulation and Stream Pump Compact- only 2.35 - 3 watts- 530 GPH Easy and flexible positioning - Quiet, low vibration operation Magnet holder: up to 1/2 glass - Magnet support with 360 rotation Tank Capacity: Marine 8-38 gallons, Fresh 16-52 gallons 3-year warranty with extended warranty available from authorized dealers