【6 in 1 Multifunctional】Mildhug electric aquarium vacuum gravel cleaner can change water, filter water, sand washing, brush fish tank, suck manure, and water cycle. It adopts a siphon design principle to quickly improve water quality and create a clean and comfortable living environment for your fish. 【Efficient and Powerful Cleaning】 Our gravel vacuum for aquarium with a 530GPH strong flow water pump motor and adjustable water flow controller. It can easily suck away dirt and debris from the bottom, ensuring clear and transparent fish tank water. Our motor is installed at the end position, you can use it to clean the fish tank with low water levels. (Tip: needs to be above the minimum water level line) 【Easy to Use】 The electric fish tank cleaner vacuum saves time and effort over manual water changes and manual tank cleaning. It uses a 4-layer filtration system, When using, hold the handle and press down, water will automatically be sucked into the pipeline and flow out through the hose. It can efficiently filter fish feces and food debris to filter water and circulation in the fish tank. The filter sponge can be washed and reused repeatedly. 【Suitable for All Kinds of Fish Tanks】Gravel cleaner uses an adjustable telescopic pole. The length can be adjusted flexibly, the shortest is 35.4in to the longest is 47.2in. You can adjust the length according to the size of your fish tank or water level. It makes fish tank cleaning easier and is a good and indispensable partner in your daily life. Mildhug electric aquarium vacuum gravel cleaner is easy to use and assemble. Before assembly and use, you can read the manual or check the operation video. If you have any questions during use, please contact us and we will reply to you within 24 hours.