3-Stage filtration - pre-filter activated carbon and HEPA. Medical-grade HEPA filter captures 99.97% of 0.3 micron particles. 360Complete Airflow Design - XL fan pulls air through all sides. Intuitive CirQulate System - VOC sensor provides air quality readings and auto adjusts fan speed. Library quiet power. Ideal for rooms up to 280 sq ft 4.8x per hour. Filter change indicator. Energy Star rated. Portion of sales go to the Bissell Pet Foundation.
