The Dyson Purifier Hot+Cool HP2 De-NOx? delivers whole-room heating* and powerful cooling**with purified air. 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 go hands-free with compatible voice services.§§