... 3. Timer, Remote controller, 7 purify systems in one [Specifications] Name Air PurifierPurify systemPre-filter, HEPA, AC filter, Ionizer ... , Ionizer, LCD screen.2. Unique structure with air input behind, air output front,replacement of fans.3. 3 speed, ... are a professinal manufacturer of IAQ (Indoor Air Quality) products:- Air purifier and Air purifier with humidifier- Aroma diffuser- Humdifier - ...