MAXIMUM COVERAGE: Efficiently cleans spaces up to 555 sq ft in one hour. Ideal tabletop purifier for homes, apartments, bedrooms, kid's rooms, baby nurseries, living rooms, offices, schools, classrooms, and businesses. TRUE HEPA H13 FILTRATION: Medify Airs HEPA filter material tested to remove 99.9% of particles from O.3 to 0.1 µm by Intertek Laboratories, including allergens, odors, VOCs, smoke, wildfire smoke, pollen, pet dander, dust, smog, contaminants, and more down to 0.1 microns in size. Maintains a clean environment.