Delivers powerful 3-in-1 cleaning action with germ fighting UV, HEPA™ filtration and odor control. Ultraviolet lights help reduce airborne bacteria, viruses, fungi and mold spores. Permanent HEPA™-Type filter helps remove 99% of airborne particles such as dust, pollen, pet dander and smoke. Enhanced odor control filter reduces common household odors. Quietly circulates and filters air every 12 minutes. Advanced electronic controls include a 1-to-18 hour auto-off timer, 12 cleaning levels, filter clean gauge to alert you when it’s time to clean the filter, and an optional ionizer and oscillation for medium/large size rooms. HEPA™-Type filter never needs replacing and is easy to clean; simply vacuum twice a year.