The fully sealed filter system combines an activated carbon filter to remove gases and a HEPA-13 filter with borosilicate glass that captures 99.95% of microscopic allergens and pollutants as small as 0.1 micron. The filter housing contains recycled plastics. Sensors automatically detect particles and gases in the air, then diagnose and report them in real time on the LCD display. A unique algorithm processes the input and activates the unit. In warmer weather, a strong stream of purified air can cool you down. It heats with purified air and has a long range, heating the whole room quickly and evenly. The airflow is directed through the back of the machine for cleaning without cooling airflow. Night mode monitors and cleans with the quietest settings, featuring a dimmed display. There is no connection to the Dyson Link app.