Feature: 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 childrens 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 Material: PVC Product Length: Approx. 2.6m/8.5ft. Package List: 1 x PVC Pipe1 x Water Inlet Fittings1 x Color Siphon Fittings1 x Water Valve Pipe Note: All data are measured manually, and there are certain errors in the measurement results.