Foxnovo JVP-101 6W 3000L/H Aquarium Fish Tank Wave Maker Vibration Pump (Black) by Generic The wave maker is equipped with a 360-degree rotatable power head to provide a randomized water current to simulate the conditions of the ocean. Can make the tank vivid of wave effect, make water clean and refresh the water. Wave makers help eliminate dead spots" in your aquarium and enhance the health and growth of your tank inhabitants." Suitable for saltwater and freshwater aquariums.