[Accessories Included]: 1 * Air Pressure Control Body; 1 * Inlet Pipe; 1 * Outlet Pipe; 1 * Valve; 1 * Air Clamp; 1 * Scraper. [3 Functions in 1]: Aquarium Gravel Cleaner is perfect for water change, sand washing, moss removal; 1. Water Change: The aquarium pumps the nozzle net which prevents absorbing juvenile fish, grass and gravel. 2. Sand Washing: The sand washing machine is specially designed for gravel cleaning, you can dig it directly into the gravel. [3 Functions in 1]: Aquarium Gravel Cleaner is perfect for water change, sand washing, moss removal; 1. Water Change: The aquarium pumps the nozzle net that prevents absorbing juvenile fish, grass and gravel. 2. Sand Washing: The sand washing machine is specially designed for gravel cleaning, you can dig it directly into the gravel. [Improved Handle Design]: Aquarium Gravel Cleaner with a handle, no need for electricity and safety. The aquarium gravel cleaner is quiet and makes no noise when using. [Widely Used]: Aquarium Gravel