3200 GPH Powerhead Aquarium Pump Wave Maker Totally submersible & oil-free motor High waterproof performance Unique dual wave makers in one design 3200 gph flux & wide-spread range 360 degree rotation Large suction cups with articulating ball joints Two extra front extensions Allow to point at different directions, one face up and the other one can face down Easy installation Suck the cupula to inwall & plug in the power