Dyson purifiers combine intelligent sensing with an advanced HEPA H13 filtration system that captures 99.95% of particles as small as 0.1 microns.2 And only Dyson purifiers have powerful Air Multiplier™ technology to purify the whole room.1 Caveats1. Tested for air projection, purification coverage in an 81m3 room and heating performance in a 35m3 room.2. Tested for filtration efficiency at 0.1 microns (EN1822). Gas capture rates may vary. What's in the box? 1 purifying fan heater1 combined Glass HEPA and Activated carbon filter1 Remote control Key Features Senses and reportsAutomatically detects airborne particles and gases, then diagnoses them in real time. CapturesActivated carbon filters remove gases. Sealed HEPA filters capture 99.95% of ultrafine particles2 such as allergens and pollutants. Projection Air MultiplierTM technology and 350-degree oscillation to project air around the whole room. ¹Whole machine sealed to HEPA standardThe purifier is whole machine sealed to HEPA standard3, removing 99.95% of particles as small as 0.1 microns.2 Heats in winterWith long-range projection, it’s quick to heat the whole room evenly.1 Cools you in summerIn warmer weather, a powerful stream of purified airflow can cool you down. Oscillates up to 350 ̊Adjustable oscillation projects purified air around the whole room. Night modeProgrammed to turn off after pre-set intervals of 1,2,4 and 8 hours. Auto modeLCD display senses and reports dust particulates PM2.5 and PM10. Easy filter careThe filter is quick and easy to change. With automatic filter-life notifications on the LCD. Remote control Curved and magnetized to store neatly on the top of the machine. Sensitive Choice® approved by National Asthma Council Australia Caveats1Tested for air projection, purification coverage in an 81m3 room and heating performance in a 35m3 room.2Tested for filtration efficiency at 0.1 microns (EN1822). Gas capture rates may vary.3Particle challenge by DEHS oil specified in EN1822 within a chamber specified in ASTM F3150. Tested in Max Mode at IBR US, for whole machine efficiency above 99.95%.