Anti-bacterial guard: The Anti-bacterial guard takes care of harmful pathogens and effectively inhibit the breeding of bacterial. HEPA: Equipped with advance HEPA filter, particulate matter (PM2.5), pet dander, dust is effectively removed with up to 99% efficiency. Activated Carbon: Activated carbon shield helps removal of cigarette smoke, bad odour, formaldehyde, benzene, toluene, xylene and other gaseous pollutants. Ionizer: Ions are known as the â??Air Vitaminâ? as they improve air quality. This generates high density of ions to help provide forest-fresh environment.