PureDirect technology distributes air more comfortably and effectively. This proprietary technology uses two airflow streams, distributing air further and more evenly throughout your room. 360-degree DuPont™ HEPA filter captures pollutants and VOC gases a. Touch-button control of fan speed, UV mode, and filter replacement indicators. Covers 250 sq. ft.. Carbon, HEPA and UV filters. 39-65 dB noise level. Includes filters. 2-year warranty. White.