#5,919,321 in Home and Kitchen (See Top 100 in Home and Kitchen) Plasmacluster Ion Air Purifier with True HEPA Filtration The Sharp Plasmacluster Ion Air Purifier with True HEPA Filtration effectively reduces pollen, dust, pet dander, smoke, germs, bacteria, viruses, odors, mold, and fungus in your living space up to 210 sq. ft. It has a back panel micro-mesh pre-filter and an integrated HEPA plus deodorization filter, which captures 99.97% of particles as small as 0.3 microns from the air that passes through it. Patented Plasmacluster Ion Technology disperses positively and negatively charged ions throughout the room to safely break down microorganisms and odors (even those trapped in fabric, carpeting, and drapery). This is the ideal solution for allergy sufferers, asthmatics, pet owners, and smokers, and best used in a bedroom, living room, study, or exercise room. The unit has LibraryQuiet operation and is ENERGY STAR rated, so you can run the unit continuously while saving money and energy.