Holmes, tower air purifier with permanent HEPA-type filtration. Portable, space-saving design of this air purifier makes it easy to fit into any home environment. This unit is highly effective in cleaning indoor air, quiet and easy to operate. Permanent filter never needs replacement and is easy to clean. Washable pre-filter helps capture larger particles and extends the life of the HEPA-filter. HEPA-type filtration removes 99% of airborne particles as small as 2 microns from the air that passes through the filter. Top mounted LED control panel. 3 speed settings. Recommended for rooms up to 188 sq ft. Smoke CADR: 121