This Honeywell Allergen Plus HEPA Air Purifier console helps provide cleaner, fresher air in large rooms of 310 square feet. HEPA Filtration helps capture up to 99.97% of the following microscopic airborne allergens and particles: dust, pollen, pet dander, dust mite debris and smoke, from the air that passes through the filter, 0.3 microns and larger. An activated carbon pre-filter helps capture large airborne particles and reduces odors and VOCs. Independently tested and AHAM Verifide to circulate and filter the air in your room 4.8 times per hour in a 310 sq. ft room*