The Dyson Purifier Cool PC2 De-NOx? delivers whole-room purification* and powerful cooling.** Advanced air purification captures 50% more NO2.† Removes odors and gases†† and continuously destroys formaldehyde.¶ The fully sealed, 3-stage filter system captures 99.97% of particles as small as 0.3 microns.¶¶ The whole purifier, not just the filtration system, is fully sealed to HEPA H13 grade.¶¶ Air Multiplier™ technology projects over 76 gallons per second of smooth-yet-powerful airflow.§ Connect to the MyDyson™ app to control and monitor air quality from anywhere, or hands-free with compatible voice services.§§