Commercial purifiers using fresh air are currently roughly divided into two types:
First, photoionization purifier, which mainly relies on ultraviolet sterilization to treat bacteria in the air, is generally not the first choice because of its rough technology, short life, radiation and oxidation.
Second, Airy oxygen ion air ion purifier is the most widely used one at present. The product has a fine process, which can not only produce positive and negative ion oxygen for sterilization, but also meet the demand for oxygen molecules in the air and continuously produce fresh air.