Sunsun JVP-101B 793 GPH Aquarium Wavemaker Powerhead with Magnet Clamp Base 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 Magnet clamp base to lock and secure the wavemaker in place Extremely low energy consuming - requires 6 watt power