Description & Features: Our multifunctional aquarium cleaner comes with a variety of accessories to improve your fish tank cleaning experience, like sand washing, water changing, debris filtering, dirt removing, ensuring a clean and healthy living environment for your beloved pet fishes. Powered by a powerful and low noise motor, this upgraded aquarium gravel cleaner delivers strong suction power and a remarkable water flow rate of up to 137GPH. In order to fit various sizes of fish tanks and diverse water levels, our electric aquarium gravel cleaner features two replaceable water tubes with an adjustable length from 22.83in to 37.2in. 2 Kinds of power supply methods for your preference, you can choose convenient battery powered or energy-saving adapter powered. Feature: - Multifunctional Aquarium Gravel Cleaner Kit: This set comes with multiple accessories for aquarium maintenance. The perforated gravel head with filter net helps filter sand, debris and fish waste while reducing the risk of sucking fish. The silicone cleaning head removes stubborn stains on aquarium glass. It includes a 27.55in water hose for water replacement. - Efficient Low-Noise Motor: This electric aquarium vacuum features a low-noise motor, delivering 137GPH water flow. It helps pick up fish waste and leftover food residue to assist aquarium upkeep. Electric operation simplifies tank cleaning compared to manual siphon tools. - Adjustable Tube Length: Equipped with two replaceable water tubes of different sizes. The extendable assembly adjusts from 22.83in to 37.2in to fit different aquarium sizes and water depths. Note: The short tube and long tube cannot be used together. - Dual Power Supply Options: Two power choices for flexible use. You may use 2 LR20 batteries (batteries not included) for cordless operation, or use the included adapter with a 59.05in power cord to avoid frequent battery replacement. - Tool-Free Assembly & Maintenance: No extra tools or screws needed. You can assemble and