2-Stage 360-degree filter with pre-filter and True HEPA filter. True HEPA filtration captures 99.97% of particles as small as 0.1 microns. Pre-filter captures larger particulates. Ideal for smaller rooms - cleans 80 square foot room 5x per hour. Cleans a 200 square foot room up to 2x per hour. 3 Speeds and timer with 8 4 or 2 hours of operation. Whisper quiet setting at night. Adjustable night-light with bright dim or off options. CADR: 53 CFM (smoke) 59 CFM (dust) 55 CFM (pollen).Check filter light. Energy Start certified.
