3W Ultra-quiet Aquarium Fish and Turtle Tank Filter Dual Water Level Filter Purifies Water Color as shown Size: 16*5.5cm Weight: 200g Lower Water Level: 3cm The deep water filter works smoothly, with a hook on the top, and the water level can be raised when necessary (the water level is higher than the water pump position to prevent the water pump from turning) Silent design: Make it quieter and don't worry about your sleep. Waterfall-style water flow: Waterfall-style water circulation can effectively increase the dissolved oxygen in the tank. Strong fixation: 4 strong suction cups can be firmly adsorbed on smooth surfaces. Double-layer filtration: The front and back of the filter-enhanced activated carbon plate are equipped with purification cotton, which can effectively purify the water quality.