Aqueon Aquarium Circulation Pump, 2, 400 GPH, 13.9-Watt Fish are more active while swimming in current Easy-lock suction cup makes installation adjustments and removal a snap Convenient cord-holding clips on both sides allow for positioning anywhere Energy-efficient motor and impeller increase water movement with less power Lab certified flow rates Easy-lock suction cup makes installation adjustments and removal a snap Convenient cord-holding clips on both sides allow for positioning anywhere Energy-efficient motor and impeller increase water movement with less power