Multifunctional Aquarium Gravel Cleaner: The four in one aquarium gravel cleaner set can effectively clean sand, change water, remove fish manure, and scrape hair. Easy to remove impurities and replace water, making it the perfect assistant for cleaning aquariumsEasy to Operate: This aquarium cleaner has a built-in battery and is easy to install. Flexible telescopic pipe, adjustable length, suitable for different water depths. Made of ABS material, pressure resistant, no need to worry about leakage, can be used for a long timeEffective Cleaning: The aquarium cleaner is equipped with two sizes of straws, suitable for both large and small aquariums. With this gravel fish tank tool, you can remove dirt from the bottom of the aquarium. Powerful siphon pump, easy.