FEDOUR 4W Adjustable Aquarium Air Pump, 5L/Min Powerful and Quiet Aerator Pump for Fish Tank up to 450L(4W)

【4W Aquarium air pump】: With 2-outlets, max air volume of this aquarium aerator is 6L/Min, recommended for fish tank up to 450L. This air pump aquarium is small and compact, white and green match, fresh and natural. 【Accurate air volume adjustment】: This adjustable fish tank air pump is designed with an adjustment knob, which is easy to rotate and has high adjustment accuracy. Therefore, the air volume can be adjusted to a very wide range to meet your various needs. 【Aquarium air pump with complete accessories】: With all the necessary accessories, there are 2*1.5M-long soft air tubes, 2*air stones, 2*check valves, and fixed suction cups and other optional accessories. 【Powerful but quiet fish tank air pump】: At maximum power, the air volume of this silent fish tank air pump can reach to 6L/min, also with a strong air pressure of 18Kpa, which can easily pump out air in deep water, no fear of deep water. 【Quiet fish tank bubbler】: With multiple silent details, soft rubber feet and thickened shell, effectively reduce the noise of the air pump. The sound of this aquarium oxygen pump when it is working is even smaller than the sound of bubbles it produces.