Dyson Purifier Humidify+Cool PH2 De-Nox/ 3-in-1: Purifies and humidifies your 
room air. Cools you³ in summer with a powerful airflow.Advanced air 
purification automatically captures 50% more NO₂.¹ Even destroys 
formaldehyde.⁶The Dyson PH2's Air Multiplier™ technology mixes and 
distributes purified, humidified air throughout the room.The efficient water 
management system and a 5-liter water tank allow the Dyson PH2 humidifier to 
provide up to 36 hours¹² of hygienic humidification 11 without the need for 
regular refilling.Changing the HEPA and potassium carbonate filters on the 
Dyson Purifier Humidity+Cool is quick and easy. A notification on the LCD 
display, coverage area: 30–40 m² weight: 8.2 kg, modes: Auto, Night, Breeze, 
Backward airflow, Deep clean