New GermGuardian 743 Sq. ft. HEPA Filter Tower Air Purifier with UV-C Light Powerful Coverage: Circulates air 1x per hour in 743 sq. ft. rooms and 4.8x per hour in 153 sq. ft. rooms, suitable for medium to large spaces like bedrooms and living areas. Advanced Filtration: Features True HEPA filtration, capturing 99.97% of particulates, dust, pollen, and pet dander as small as 0.1 microns. Enhanced Purification: Equipped with UV-C light technology for an additional layer of air cleaning defense. Odor Reduction: An activated charcoal filter effectively reduces unwanted odors from smoke, pets, and cooking fumes. Quiet Operation: Offers a lowest setting that provides gentle white noise for a peaceful and restful sleep. Easy Maintenance: Requires replacement of a single filter (filter B) every 6-8 months, with a built-in carry handle for convenient portability.