General description The Aquarium Gravel Cleaner is a versatile 3-in-1 tool designed for aquarium maintenance, featuring functions for water changes, sand washing, and algae removal. It operates quietly and efficiently, ensuring a safe environment for your aquatic life. Technical specifications Functions: Water change, sand washing, moss removal Included accessories: 1 * Air Pressure Control Body; 1 * Inlet Pipe; 1 * Outlet Pipe; 1 * Valve; 1 * Air Clamp; 1 * Scraper Inlet pipe length: 15.74 inches Installation Install the inlet and outlet pipes according to the height of your aquarium. Usage Use the air pressure control button to initiate water changes. The nozzle net prevents the absorption of juvenile fish, plants, and gravel during operation. For sand washing, dig the cleaner directly into the gravel for effective cleaning.