Powerful ACH: 1,500 square feet at 3 Air Changes Per Hour (ACH) and 900 square feet at 5 ACH

Allergy protection with H13 True HEPA Filtration: Captures up to 99.95% of particles as small as 0.1 microns, including allergens, such as pollen, dust, and pet dander

Ultra-Quiet: Four-speed fan with 24-hour, ultra-quiet operation.