Automatically purifies and humidifies for a healthier environment. Hygienically removes 99.9% of bacteria in the water~. The Dyson Pure Humidify+Cool is a multi-functional machine for whole room air treatment - it purifies, humidifies and cools you. Its activated carbon and HEPA filters capture 99.97% of allergens and pollutants as small as 0.3 microns and Air Multiplier technology projects purified, humidified air throughout the room~. And with a hassle-free deep clean cycle, thoroughly eliminate mineral build-up and bacteria at the touch of a button. Dyson technology helps create a cleaner, healthier home - Our vacuums and purifiers are scientifically proven to capture particles as small as allergens and bacteria.