Clean and purify air in rooms up to 225 square feet with this Pure HEPA filter from Honeywell. The purifier's True HEPA filter removes 99.97 percent of all airborne particles that pass through, such as pollen, cat dander, household dust, tobacco smoke, and mold spores. And, it reduces bacteria and germ counts by up to 99.4 percent, decreasing also the frequency of winter colds and allergy symptoms. The unit's lifetime True HEPA filter cleans easily with any vacuum, and a patented 360-degree air intake and discharge offers optimal coverage no matter where this Honeywell is stationed. Three fan speeds let the unit clean air quickly before company comes, then continue filtering, whisper quiet, without drowning out the conversation.