Consist of good-quality component, it is corrosions-resistant, wear-resistant, and extends its service life Using low-noise motors, without interfere with the home atmospheres and the life of fish The simple connection structure allows users to quickly install and disassemble, suitable for different specifications of fish tanks Unique bubble refinements technology generates bubble to increase oxygens interpretability Fine bubble can rapidly increase the oxygens content in water, creating healths living environment for fish, Manufacturer: HVRFJXI