... the oxygen purity, stability, longe-lived; 02. Use epoxy resin, vacuum packaging high-voltage module, resistant to moisture, earthquake, ... maintenance-free; 03.Modular with plug-in design, easy maintenance, reliability; 04.Use Ozone-specific air ... mold spores, fungi spores, house dust mites, chemicals used in grooming and cleaning, off-gassing of carpets, furniture, and ...