The ECOSI Aquarium Gravel Cleaner is a versatile tool that can be used to clean a variety of surfaces in your aquarium. With its built-in dual airbags, atmospheric cavity, and good resilience, this siphon is easy to use and clean. The 3D filter basket net protects your fish and small gravel from being sucked out of the aquarium. The gravel vacuum has a duckbill suction inlet and is easy to use for removing feces from the tank. Finally, the glass scraping tool is perfect for cleaning up algae and stains on the glass surface of your fish tank.