Molekule Air Mini air purifier is FDA-cleared for medical use to destroy viruses and bacteria. This 510(k) Class II medical device features a 360-degree air intake that replaces the air in a 250-square-foot room. The device uses a patented PECO-Filter, which is coated with a proprietary catalyst and breaks down viruses & bacteria at a molecular level when activated by light. It also traps 95% of particles 0.3-1 micron in size like mold & pollen allergens.