The bedee Aquarium Vacuum Gravel Cleaner is a multi-functional device that can be used to perform various tasks such as gravel cleaning, water changing, algae cleaning, and waste extraction. With a powerful 18W pump motor, this device is able to generate sufficient suction to easily remove fish feces and other debris from your aquarium. The bedee Aquarium Vacuum Gravel Cleaner also features an adjustable telescopic tube and is suitable for different sizes of aquariums.