Purify the air in the whole room thanks to the Dyson Hot+Cool Formaldehyde HP09 Smart Air Purifier. Featuring a HEPA and carbon filter, the HP09filters 99.95% of potentially harmful particles, leaving the air free from dust, allergens or even formaldehyde particles. The HP09 automatically senses particles and gases in your room and creates air quality reports. See them in real time on the LCD screen, or send them directly to your phone or tablet using the Dyson Link app. The HP09 is great for heating your room quickly in the winter. And you can use it to help cool the temperature down in the summer.