【Adjustable Water Flow】This aquarium pump with an adjustable knob allows you to adjust the flow easily. Max. Debit: 1800L/H, H-Max. (lifting height): 6.56 ft (2m), 25W high efficiency motor.(Because we did 100% test before packing the pump, it is normal if there is water in the pump ) 【20-30dB,Noise Reduction Design】Designed with pure copper wire motors, which are highly energy efficient and provide a quiet and pollution-free environment. The sound during work is about 20-30dB, and less than 40dB, which will keep your mind at ease without disturbing the outside world. 【Multi-function and Three Nozzles】Equipped with three nozzles , one is 1.3cm in diameter, another is 1.6cm in diameter, the rest is 1.9cm in diameter, providing different water flow effects. 【4 Strong Suction Cups】The bottom of the submersible water pump is equipped with four strong suction cups, suitable for vertical and horizontal mounting. 【Detachable and Cleanable】No tools needed to detach, easy to separate , easy to
