The Solenco CF8500 Air Purifier 4-in-1 filter effectively captures 99.97% of particles as small as 0.3 microns, reducing pollutants in the air. The H13 HEPA and activated carbon filter ensure powerful filtration of airborne contaminants, while the antiviral filter destroys 99.996% of viruses and bacteria. Enjoy air that is cleaner, fresher and safer with this advanced filter.