Create a healthier home environment with this Dyson Purifier Humidify+Cool PH2 De-NOx. It’s a 3-in-1 combo wonder that purifies, humidifies and cools your space all at once. The advanced purification system captures 50% more NO2 than previous models, removing dust, odours and allergens from your air. And you won’t need to constantly refill this efficient humidifier either, as its one-gallon tank provides up to 36 hours of continuous humidification. When the temperature rises, you can enjoy a powerful stream of pure, humidified air to cool you down, all while the machine operates at just 61.6 dB – keeping disruption to a minimum.