HEPA with Activated Carbon Filter - Ionizer - UV lamp with TiO2 - Air sentor, 8h sleeping mode timing - 4 ... model employs advanced technology of HEPA, activated carbon, ionizer and UV lamp with TiO2 which can very effectively remove various chemicals, airborne ... catechin netThey can be optional for meeting various criteria. Step4: UV Lamp with TiO2It can kill germs, bacteria, fungus, spores and ...