... silver filter, Vitamin, Cold Catalyst, Ionizer, LCD screen.2. Unique structure with air input behind, air output front,replacement of fans.3 ... adjustment deviceWe are a professinal manufacturer of IAQ (Indoor Air Quality) products:- Air purifier and Air purifier with humidifier- Aroma diffuser- Humdifier - Mist fanWe ... year since establishment to show above products. 2012 new air purifier ionizer