Features: Good Material: The Aquarium Vacuum Gravel Cleaner is made of a flexible PVC hose good elasticity no need to worry about leakage can be used for a long time. Easy to Use: The unique design of the tube body can easily suck the water out. The water outlet valve allows you to control the water flow freely. The 3D filter net can quickly filter impurities in the water and easily wash the sand. Gravel Tube: Sinkable with a detachable filter screen inside. Will not disturb fish or decor when it's working. Durable and Long Life:Durable and anti-kinking. Anti-corrosion wet environment can also be used for a long time. Quality Assurance: Our product will definitely win your heart with its high quality! If you have any inquiries please contact us. Specifications: Size: Two-stage water inlet pipe about 40CM/15.7inch Outlet pipe about 207CM (diameter 1CM)/81.5inch Material: PVC includes: 2 * Water inlet pipe 1 * Water outlet pipe 1 * Water flow adjustment clip 1 * Water changer body 1 * Water pipe fixing clip 1 * Glass scraper 1 * 3D filter 1 * Water inlet pipe connector "