Cool with purified air. Not dirty air. Our personal purifier fan is engineered to help improve air quality. It projects cooling, filtered air – wherever you need it. The fully-sealed filter combines an activated carbon filter to remove gases, and a glass HEPA filter that captures 99.95% of ultrafine particles from the air.1 Adjust the dome's position to angle the flow higher or lower using Core Flow technology along with 70 oscillations to project a precise stream of air where you need it.<br />For a comfortable night's sleep set the sleep timer anywhere between 30 minutes and 8 hours. LCD screen displays airflow speed, modes and filter life.<br /><br />