Description If you are in search of an adjustable water level float ball valve, you need to take a look at our product. It is made of plastic material and detailed workmanship, which is very professional and enjoys strong durability. It can be used for control fish tank water level and finish the work of auto water filling to the fish tank. Features - Color: white.- Material: Plastic.- Size: 25.00X16.00X4.00cm/9.82X6.29X1.57inch.- Fish tank automatic water replenishment device, no need for electricity, free lifting, controlling the water level, floating ball replenishing water, very convenient.- Made of plastic materials and detailed workmanship, safe, practical, durable for long time to use.- Water replenishment work for freshwater fish tanks, seawater fish tanks, seafood tanks, and water storage tanks.- Rotating floating ball, can adjust the water level widely, bringing you much more convenience.- Metal-free customized floating ball, no electricity and no water pump, easy to use.Packing list: 1 x floating ball valve1 x elbow joints1 x three-way joint1 x ball valve1 x PE tube(1 meter)