According to the EPA, the air in your home or office can be 2-5x more polluted than the outdoor air. Medify’s superior TRUE HEPA H13 filters remove 99.9% of particles down to 0.1 microns to catch and remove allergens, pet dander, and more to provide a cleaner and healthier indoor environment. Intertek Labs tested the effectiveness of Medify's TRUE HEPA H13 filters and concluded they effectively removed 99.9% of COVID-19 and SARS-Cov-2 from the air. With over 200,000 units being actively used by schools and universities across the country, Medify air is the leader in US clean air safety technology.