Eliminate dust, allergens and odors with ease—and efficiency. Plus, monitor your room’s air quality at a glance with its indicator-light system: blue (good), purple (fair) or red (poor). Quiet operation with 3 timer settings (2-, 4- and 8-hour). Filter kit includes 1 HEPA filter and 2 activated-carbon odor filters. For small- to medium-sized rooms up to 200 sq. ft. 16.25" w x 18.5" h x 8.5" d.