Aquarium Water Circulation: This wave maker pump simulates a gentle flow helping the tanks feel more like the ocean. It is designed to stir up debris and make wave in the water. In addition, this pump can be used to increase the oxygen level of the water Powerful & Quiet: 12W, submersible powerhead is higher flow rates and lower energy consumption. Double head makes strong waves to circulate the water quietly and efficiently. The stable magnetic base reduces noise when running and prevents the pump from falling off Easy to Install: With a magnetic bracket which is easy to install and allows you to position the pump virtually anywhere in your aquarium. A adjustable ring with fine slots prevent baby fishes, corals and sea stars from getting involved.The two ball head rotates a full 360 degrees, offering full control of the direction of flow, creating natural water motion Application:It wave pump improve water circulation and oxygenation, which is good for fishes’ healthy growth.