Sunsun JVP-120 793 gph Mini Aquarium Wavemaker Powerhead with Suction Cup Totally submersible and oil-free motor to avoid pollution to the living circumstance 793gph flux and wide-spread range which is ideal for marine aquarium 360 degree rotation to allow full flow directions Suction cup with articulating ball joints for versatile directions Extremely low energy consuming - requires 6 watt power