Aquarium Manualy Vacuum Siphon Cleaning Tool

Special tube head design makes it easy to change the water at the aquarium manually. Manual water changer is designed to change water, clean up small gravel and remove excrement at ease. Put the water changer tube head immersed into the water, move up and down to produce pressure in the tube, then the water will automatically through the pipe due to the siphon effect. flexible clear tube