Layer Bacteria Protection, Reduces Allergies, Bacteria, Fungi, and Viruses Medical-grade HEPA filter captures toxins as small as 0.3 microns with an efficiency of 99.5% – 99.7% Cold Catalyst Activated Carbon absorbs and eliminates unpleasant odors such as smoke and food odors, among others. It also helps absorb chemical vapors such as formaldehyde, benzene, oil fumes, and organic compounds, while also sterilizing bacteria and viruses. UVC Sterilization Using electromagnetic waves with a wavelength of 200 – 280 nm, it can destroy pathogens through Ultraviolet Germicidal Irradiation (UVGI). It effectively eliminates bacteria, viruses, mold spores, yeast, and even COVID-19. Experience cleaner air with Anion Technology Releases negative ions to trap dust in the air, causing dust particles to clump together and fall to the ground