【Upgraded Aquarium Gravel Vacuum】has 6 in 1 functions with water change + sand cleaner + dirt cleaning + water filter + water shower + water flow. Suitable for fresh water and sea water and various deep fish ponds 【Strong Power】The powerful 220V/28W water pump motor can provide a maximum flow rate of 1700L /h. It only takes 0.5 hours to pump a 680 liter tank. At the same time, the pump flow rate is adjustable, the handle length can be extended from 20cm to 86cm 【Powerful cleaning function】It can be used to clean gravel, absorb the dirt, change the water, wash the sand, vacuum the chair. Powerful enough to quickly vacuum food scraps and fish droppings from the aquarium Safe and durable: The main motor of the motor can be manually disassembled to remove wheel residue and waste, reducing waste. 'pump wear and extending lifespan