GermGuardian AC4880G Intelligent Air Purifier

The purifier that’s always monitoring, always cleaning—every second of the day! IntelliSense air-quality indicator measures surrounding atmosphere 60 times per minute, 24/7, automatically adjusting purifier speed whenever poor air quality is detected. At any given time, the display also reveals your surroundings’ current Air Quality Index number. As a purifier, it filters air through several stages: carbon pre-filter for odors and large dust particles, a genuine HEPA filter for 99.97% of allergens, UV-C sanitizing light to kill germs and viruses. Quiet operation with 3 speeds and 2 modes (auto, sleep); circulates and filters the air in a 153 sq. ft. room every 12.5 minutes or in a 743 sq. ft. room every 60 minutes. 6.75" w x 21.25" h x 10" d.