✔【Upgraded 6 In 1 Multifunction Aquarium Gravel Cleaner】The upgraded aquarium gravel vacuum cleaner have 6 in 1 functions with water changer + sand washer + debris cleaning + water filter + water shower + water flow. Suit for freshwater and seawater and various depth fish tank.✔【Strong Power】The 110V/28W powerful water pump motor can provide the maximum flow of 1700L/H. It only takes 0.5 hour to pump out a 180-gallon tank. At the same time, the pump flow is adjustable.✔【Powerful Cleaning Function】It can be used for clean gravel, absorb dirt, change water, wash sand, suck the stool. Strong Power with Suction enough to change water, suck food debris & fish poop out of aquarium quickly.✔【Easy to Install and Use】Please check the video before using. Plug in the power and turn on the switch to use.✔【Satisfaction Guaranted】Our team of professionals is constantly working to make you happier. We provide technical support for customers 24/7, If you have any questions or issues about your purchase, please feel free to reach us directly to us and we will gladly assist you at any time!! We are confident in the quality of our product and give you LIFETIME WARRANTY and great customer support.