The Medical Grade HEPA used in the Austin Air Healthmate Plus® effectively removes up to 99% of bacteria and aerosolized viruses* larger than 0.1 microns. It also eliminates a wide range of gases, chemicals, VOC’s and formaldehyde. This broad-spectrum adsorption makes it the best choice for people exposed to smoke from wildfires and offers dentists and their patients protection against airborne contaminants.