1)With HEPA,Anion,Healthy wind 2)Fan,4speed, ... healthy Productions safe place, test F-G-A38 dimension: 1.In 30m3 test place, the rate of formaldehyde clean is ... odor automatic, clean dust, dispel foreign odor and harmful gas, double sterilizing, release activity ion andhumidificationall-in-one handle ... A38 have humidify function ,keep humidification in the room High quality air purifier manufacturers