The air pump includes a full set of aquarium air pump accessories. With its powerful performance, the air pump can supply enough oxygen for various nano air stones and sponge filters (s’ there is a problem with the wrong plug, we will replace you with a new air pump ASAP) Enhance the mute effect: The aquarium oxygen pump has a smooth surface and has four shock-absorbing silica gel columns to reduce noise. The mute design is excellent. It is recommended to put a towel, sponge or blanket under the air pump. High efficiency and energy saving: the power of 2 W offers a better living environment for fish. Scope of application: suitable for indoor or outdoor use in all freshwater or marine aquariums. Suitable for aquariums, fountains and hydroponic systems.