Professional grade sensor for intelligent purificationThe professional grade AeraSense sensor accurately scans the air 1000x a second to detect harmful pollutants and intelligently chooses the right speed for every environment. It displays the air quality in real time, showing the level of allergens and PM2.5 in numerical form, as well as with an intuitive colour ring

Long lasting filter with smart change indicatorLong filter lifetime means long-term saving. Philips NanoProtect HEPA filters help you save money in the long term vs other leading air purifiers . Check the filter lifetime indicator in your purifiers digital display, to know when it is time to replace the filter.

Eliminates 99.97% of all unseen particles from the airOnly Philips air purifiers have a 3-layer filtration with NanoProtect HEPA, active carbon and pre-filter to remove 99.97% of particles as small as 0.003 microns . NanoProtect HEPA technology not only traps pollutants, but also uses an electrostatic charge to attract them, cleaning up to 2X more air than traditional HEPA H13 filtration with higher energy efficiency