Dyson Purifier Cool PC1 delivers whole-room purification? and powerful cooling.? The fully sealed filter system captures 99.97% of microscopic allergens² and pollutants as small as 0.3 microns.¹ The whole purifier, not just the filtration system, is fully sealed to HEPA H13 grade.³ Air Multiplier™ technology projects over 76 gallons per second of smooth, yet powerful airflow.? Connects to the MyDyson™ app to control and monitor air quality from anywhere, or hands-free with compatible voice services.? ¹Tested per ISO 29463. Gas capture rates may vary. ²Refers to non-living material. ³Particle challenge with DEHS oil specified in EN1822 within a chamber specified in ASTM F3150. ?Tested per Dyson internal test standards for whole-room air projection (TM-005021) and purification coverage (TM-003711). ?Requires device to run app, Wi-Fi or mobile data, Bluetooth 4.0 support, and iOS version 10 or Android version 5 (or above). Standard data and messaging rates may apply. Refer to the MyDyson app for compatible voice services. ?Fan, not air conditioning unit. ?Tested to DTM-801, in fan mode, at speed 10. ?Tested to removal grilled salmon odor to EN13725. Based on capture of particles, ammonia, benzene, and acetic acid.