Mute: Thickened ABS plastic seal to while effectively isolating noise. Four raised rubber feet cut off the noise transmission path. It makes less noise than a refrigerator running indoors. If you need more silence, you can put a towel under the air pump.
Sufficient air volume: Maximum air flow: 45 GPH; Power: 2W. 5~30gallon fish tank is suitable.
High Quality Guarantee: To get the warranty, please contact the seller to solve your problem, thank you. Note:2w does not include the accessories in the picture, there is only 1 air pump, the choice for customers who only need a separate air pump .You need to prepare the hose and air stone by yourself.