... Humidify 4)CB,CE,EMF,OEM,ODM XITIAN AIR PURIFIER HELP YOU CLEAN YOUR DIRTY AIR1. Precise dust ... removal material used for experiment; Obliterate dust.For the room dust ,we select HEPA (high efficiency particulate air filter ... choice for many old men and children. XITIAN air purifier clean air , at the same time ,it can ... -B38 have humidify function ,keep humidification in the room Room air purifier