Holmes Small Room 3-Speed HEPA Air Purifier with Quiet Operation, White

99.97 percent EFFICIENT AT REMOVING ALLERGENS: True HEPA Air Purifier is 99.97 percent efficient in removing airborne allergens as small as 0.3 microns from air passing through the filter 72 CADR: Provides 72 CADR (Clean Air Delivery Rate) COMPACT DESIGN, IDEAL FOR SMALL ROOMS: This compact air purifier can be placed anywhere in a vertical or horizontal position This unit is recommended for use in rooms up to 100 sq. ft. INCLUDES IONIZER: This Holmes air purifier features an optional air ionizer that helps to bind negative ions to airborne smoke, dust, and pollen to form larger particles that are more easily captured, helping to clean air more thoroughly and tackling odors FILTER CHECK INDICATOR: Convenient filter check lights let you know when it's time to check or replace your filterHolmes Small Room 3-Speed HEPA Air Purifier with Quiet Operation, White