Perfect for people with allergies, asthma, or in areas where there is mold, dust or other pollutions. There are many advance technologies in our products, such as Thermal Type, HEPA Type, Photocatalysis Type, Electrostatic Type, Ultraviolet UV Type and so on. Our products has been widely used in Hospital, Clinic, University, School, Kindergarten, Commercial Building, Office, Hotel, Library, Elderly House and Home