1Aeration, pumping water and water circulation, 3 in 1 submersible pump. 2With water dispersal and rain drench filter effect, 360 rotation, landscape effect. 3Strong increase oxygen, continuous air bubbles, beautiful, increase oxygen content in water. 4Relieved insulation, the top of submersible pump is resin casting, good insulation performance and no leakage, safe to use. 5Multiple silencing technology, mute design, do not disturb sleeping. 6Non-destructive motor, larger flow, energy and electricity saving, strong power and pumping water easily, high work efficiency.