Feature: 1. Vacuum Cleaning: The aquarium siphon vacuum cleaner is equipped with a vacuum cleaning tube, 110GPH flow rate can be used for a quick water change and cleaning of gravel and sand. 2. Quick Operation: Manually operated by squeezing the siphon ball 35 times, water will flow out automatically, completing the water cycle from the inside to the outside of the fish tank, taking away impurities from the sand. 3. 3 in 1 Function: This aquarium siphon vacuum cleaner has 3 functions water change, sand washing and pollution suction, aids in efficient water changing while carrying away impurities from the aquarium. 4. Easy to Use: The aquarium vacuum gravel cleaner features an operation handle, making it easier and more convenient to use, built in filter baffle effectively prevents fish and sand from being sucked out. 5. Durable Material: The siphon ball is made from EVA material, resistant to pressure and air leak resulting in long term usability, so you won't worry about air pocket damage. Specification: Item Type: Aquarium Vacuum Gravel CleanerMaterial: Silicone + plastic. Package List: 1 x Straight Tube 2 x Sand Washer 1 x Outlet Nozzle 1 x Outlet Hose 1 x Scraper 1 x Filter Frame 1 x Connecting Tube 1 x Flow Clamp 1 x Fixing Device Clip