Features: * HEPA-type filtration - up to 99 filtration of airborne pollutants as small as 2 microns from air passing through the filter (particles of this size include dust, pet dander, and pollen) * Filter enhanced with Arm & Hammer baking soda to eliminate common household odors * Optional ionizer assists in particle removal * Three speed settings provide options for different conditions * Filter-life monitor reminds you when it"s time to replace the filter * Recommended for use in small rooms such as a child"s bedroom, den, or a play room up to 110 sq. ft. (10 ft. x 11 ft.) * Dimensions: 18.3 in. x 9.3 in. x 8.8 in. What"s In The Box: * Holmes HAP9412W-TUA HEPA Small Room Air Purifier