Features: 1.STRONG SUCTION POWER: Fish tank water changer cleaner has a siphon pump with strong suction power to improve efficiency and ensure the tank is clean. 2.REGULATING VALVE: Fish tank water changer is designed with faucet flow control, rotating the regulating valve can control the amount of water to avoid confusion. 3.EASY TO INSTALL: Aquarium water changer cleaner is easy to install, just connect all the accessories together and then it is free to use. 4.EASY TO USE: The gasbag rebound force is big, easy to suck water by gently squeezing, convenient to clean sand and gravel. 5.APPLICABLE OBJECTS: Aquarium siphon vacuum gravel cleaner is suitable for small aquariums, fish tanks, turtle aquariums, coral reef tanks and children's fish tanks. 6.SAFE MATERIAL: Fish tank siphon gravel vacuum cleaner is made of premium PVC material, which is environmentally friendly and durable and will not harm the living environment of pets. Specification: Item Type: Fish Tank Water Changer Cleaner_x000D_ Material: PVC_x000D_ Product Length: Approx. 2.6m/8.5ft PackageList: 1 x PVCPipe 1 x WaterInletFittings 1 x ColorSiphonFittings 1 x WaterValvePipe Note All data are measured manually, and there are certain errors in the measurement results.