SUNSUN JVP Series Submersible Circulation Powerhead Pump High waterproof performance ensures safety and reliability 800 Gph flux and wide-spread range just like an wishy-washy ocean wave, which is ideal for marine aquarium 360 Degree rotation to allow full flow directions, suction cups with articulating ball joints for versatile directions Easy to install - just suck the cupula to anywhere of the inwall, plug in the power and it works