There are mainly five air cleaning technologies widely used in the air purifier,
namely, HEPA filter technology, Activated-carbon filter technology,
Ionizer technology, Ozone technology and Ultraviolet light technology.
Air cleaner help with virus control, asthma symptoms, seasonal allergies, and other health issues.
The article is provide from【Lanjia Water Ionizer】,please indicate the source address reprinted: http://www.ionaircleaner.com/Health%20and%20environment/1693.html
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