Vornado AC350 Air Purifier with True HEPA Filter, Captures Allergens, Smoke, Odors, Pollen, Dust, Mold Spores, Pet Dander True HEPA filtration captures 99.97 percent of particles 0.3 microns or larger such as dust, pollen, pet dander, smoke, mold spores and more Carbon prefilter adsorbs common odors from pets, smoking and cooking and traps larger particles Radial blower to intake and clean all the air in the room - up to 220 sq. ft. 3 speed settings, push-button controls and filter replacement indicator Backed by a 5-year satisfaction guarantee Built to meet U.S. voltage requirements. Certified, safety-tested, and warrantied for use only in the U.S.