... purifier,air fresher MODEL : HK-8035 Anti-bacterial air purifierAir purifier,ionizer,auto air purifier, ... Oxidation process, according to chemical formula :03 +2 h +2 e → 02 + H20 to achieve humidity ... a relatively long life (about 10 years). 2.Using electrostatic dust collection technology,no filter material ... Oxidation process, according to chemical formula :03 +2 h +2 e → 02 + H20 to achieve humidity ...