Color:Black Material: PE + PVC Operating Method: Manual air-pressing Water Inlet Tube Length: 40 cm Soft Hose Length: Approx 207 cm Multifunctional UseFish tank cleaner kit can be used for gravel cleaner, water change, sand washing. Give your love fish a clean environment. Easy to Use and InstallJust press the air-pressing button to pump water out. When the water continues to flow out, you can stop pushing and free your hands.Aquarium gravel cleaner kit equipped with a flow regulator, it is simple to operate, easy to install, and save time and effort. Accessories Include 1* air pressure button2* water inlet pipe1* water outlet pipe1* glass scraper2* water flow clamp (Easily adjust the water flow) 2* anti-backflow valve design (Water pipe clamp)1*3D filter (Protect your beloved fish from being sucked out by the aquarium vacuum gravel cleaner and prevent clogging. Effectively separating and removing debris in the aquarium.) Scope of ApplicationAquarium water changer is suitable to fish tanks of different sizes. We are equipped with 2 water inlet pipes, which allow you to assemble and use according to the size of the fish tank, which is very flexible. Aquarium gravel cleaner is perfect for up your aquarium. Customer SupportWe strive to provide the best satisfaction for all of our customers. If you are not satisfied with our aquarium gravel cleaner, please feel will free to contact us, and we will send you a replacement or give you a full refund Note: Due to manual measurement, 0.39-0.79in error is allowed, please in kind prevail. When pumping, the position of the water outlet must be lower than the position of the water inlet.