BEFORE PLACING YOUR ORDER CONTACT US SO WE CAN CONFIRM AVAILABILITY AND OFFER YOU A DISCOUNT CODE. YOU MAY DO THIS VIA CHAT OR EMAIL [email protected] SEND US THE PRODUCT NAME AND WE WILL PROVIDE THE DISCOUNT CODE. WE PREFER CHAT TO GET RESPONSE.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.