Sharp FPA40UW Plasmacluster Ion Air Purifier with True HEPA Filter Capture pollen, dust, pet dander, and smoke - True HEPA 2-year filter captures 99.97% of particles as small as 0.3 microns Reduce germs, bacteria, viruses, odors, mold, and fungus - Patented Plasmacluster Ion technology attacks impurities throughout the room Recommended for area up to 200 square feet 3 Fan speeds ENERGY STAR rated