Four-stage hospital-type filtration that effectively cleans air in small spaces. The Smart Sensor detects air quality and automatically adjusts the fan speed to keep air purified.

• Four-stage hospital-type filtration
• Effectively cleans small spaces
• Proven to capture the airborne flu virus
• Carbon filter removes odors and captures large airborne particulates
• Aera+™ Mode for allergy and cold/flu seasons
• Ultra-quiet operation

A true HEPA filter with antimicrobial treatment safely removes 99.97% of airborne particles as small as 0.3 microns, including allergens, viruses, and cigarette smoke. Proven effective at capturing the airborne flu virus. Carbon filter removes odors. Certified asthma and allergy friendly™ by the Asthma and Allergy Foundation of America. The air purifier also includes the Aera+™ Mode for allergy and cold/flu seasons.

The Fellowes® 90 unit features 3 fan settings, and is designed for use in 100 to 200 sq. ft. rooms. It increases air turnover rate by 35% on low, with the following CADR: 68 (smoke); 65 (dust); 75 (pollen). The Fellowes® 190 unit features 4 fan settings, and is designed for use in 200-400 sq. ft. rooms. This model increases air turnover rate by 50%, with the following CADR: 126 (smoke); 129 (dust); 124 (pollen). The Fellowes® 290 unit features 4 fan settings, and is designed for use in 300-600 sq. ft. rooms. It also increases air turnover rate by 50%, with the following CADR: 191 (smoke); 196 (dust); 188 (pollen).