AquaClear Powerhead #30-V 114LAquaClear Powerhead 30 is a multifunctional pump that delivers outstanding performance in a variety of applications. It efficiently drives undergravel filters, circulates and aerates aquarium water. It attaches to filtration accessories like AquaClear Quick Filter. Powerhead 30 comes with a venturi aeration valve that raises oxygen levels, which is important when water temperature or fish population increases, or during disease treatment. It can also