Portable, space-saving design of this purifier makes it easy to fit into any environment. Highly effective in cleaning the indoor air. Quiet and simple to operate. HEPA-type filtration removes up to 99% of airborne particles as small as 2 microns from air passing through the filter. Enhanced Arm & Hammer filter helps eliminate common odors. Three speed settings provide options for different conditions. Optional ionizer and filter service indicator. Recommended for small areas up to 110 sq ft.