- Easy Installation and Operation: This aquarium gravel cleaner comes with a hose and filter bags, along with a siphon tube for straightforward setup. It operates with a strong flow rate of up to 520L/H, ensuring quick and efficient water changes. Requires 2 x AA batteries (not included). - 3-in-1 Functionality: This versatile tool functions as a gravel cleaner, water changer, drain pipe, and dirt collection bag. Its powerful suction helps facilitate fast water changes and effectively removes food debris and fish waste from the substrate. - Battery-Powered Convenience: The battery-operated design eliminates the need for a manual setup. Use it effortlessly to change water, combat algae growth, clean gravel, and maintain a pristine environment for your fish. - Wide Compatibility: Featuring an adjustable telescopic tube, this gravel cleaner is suitable for aquariums of various sizes, making it a practical choice for a range of aquatic setups. Use Scenarios: 1. Ideal for routine aquarium maintenance, this cleaner helps quickly change water and reduce algae buildup, promoting a healthier environment for your aquatic life. 2. Perfect for post-feeding cleanups, the powerful suction efficiently captures leftover food and waste, ensuring your tank remains clean and your fish are healthy. 3. Makes cleaning hard-to-reach areas of larger aquariums convenient, allowing you to maintain cleanliness without straining your hands.