Advanced HEPA filtration captures airborne particles. Breathe easier with the purifier that features HEPA filtration, capable of filtering up to 97. 7% of airborne pollutants as small as 0. 3 microns, while eliminating bacteria and viruses. For cleaner air, more comfortable home. Filters up to 97. 7% with HEPA filtration system HEPA filtration system captures up to 97. 7% of airborne pollutants. The purifier features HEPA filtration, capable of filtering up to 97. 7% of airborne pollutants as small as 0. 3 microns, supporting a fresher, more purified home environment. Eliminates up to 99. 99% of captured bacteria¹Anti-bacterial coating eliminates bacteria and prevents growth. An anti-bacterial coating eliminates up to 99. 99% of captured bacteria¹, helping prevent growth inside the filter – for cleaner air and a more hygienic home. ¹Based on external test on Escherichia coli, Staphylococcus aureus, Klebsiella pneumoniae, and Serratia marcescens in accordance with GB 21551. 2-2010 Appendix B standard. Deactivates up to 99. 98% of captured virus¹ Deactivates up to 99. 98% of captured airborne virus¹.The air conditioner’s filter features materials that deactivate up to 99. 98% of captured airborne virus H1N1¹, helping you breathe cleaner air. ¹Based on external test on Influenza A virus A/PR8/34 H1N1 in accordance with ISO 18184: 2014 E.