Air compressor Sea Star HX-108A transparent, 3 l/min, 2.5 watts

Pisces also breathe oxygen, and you need to saturate water with the necessary gas with the necessary gas life at least than to ventilate the room. Products are designed for small aquariums: they do not occupy useful space in the container, require minimal maintenance and almost exclude the risk of fishing due to breakdowns. 

The compressor will become a reliable source of oxygen for your water world. The compact device combines quality, comfort and ease of operation.  All parts of the device are made of harmless materials for humans and fish. In addition, the compressor can be used as a pressure source for a biological filter, which means that you can save on other devices.