Air purification can be filtered by air purifier, or by Shenghuan new fan, which is better to use together and can make the air clean;
Air health mainly refers to the content of "vitamins"-small particle size negative ions in the air. Small particle size negative ions have obvious effect on long-term medical care. You can find it on the internet or in books in the library, so you won't introduce it again.
It is best to choose Shenghuan negative ion new fan at home, which can not only purify the air, but also have small particle size negative ions, killing two birds with one stone!