【WATER FLOW CONTROL】 An adjustable knob can makes you easy to control the pumps flow rate. So you can get the water pressure you want. Max flow rate 50gph can deal with most kind of pet fountains. 【QUIET DESIGN】 Good quality motor with the 100% copper, let pump running quietly and providing you an quiet environment. 【SAFE】 12V AC low voltage keep your pet safe. We always concern about you and your pets, think more and do more. 【DETACHABLE and CLEANABLE】 No need any tools to detach it, easy to separate, easy to clean. 【WIDE APPLICATION】This submersible pump has perfect performance in aquarium, fountains, spout and hydroponic systems, etc.