... with HEPA filter, activated carbon filter, negative ion generator and UV sterilization lamp with TiO2. The main part is HEPA & activated ... meeting various criteria. Step4: UV Lamp with TiO2It can kill germs, bacteria, fungus, spores and viruses more effectively. Step5: IonizerIt ... TiO2 - (e)Ionizer7. Can remove dust, tobacco smoke, odors and UV lamp can kill dust mite, viruses, fungus etc. 8. Ionizer: ...