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The air purifier is also called "air cleaning device\\ , Bacteria, Allergen, etc.), products that effectively improve air cleanliness are mainly divided into household, commercial, industrial, and buildings.  
 
There are many different technologies and medias in the air purifier that allows it to provide users with clean and safe air. Commonly used air purification technology include: adsorption technology, negative (positive) ion technology, catalytic technology, optical touch media technology, super -structural optical mineralization technology, HEPA efficient filtering technology, static dust collection technology, etc.; Synthetic fiber, HEPA efficient material, negative ion generator, etc. The existing air purifiers are mostly compound, that is, a variety of purification technology and material media are used at the same time.