The Dyson humidifier is 99.9% bacteria-free by exposing every drop of
water to an Ultraviolet light through patented Ultraviolet cleanse
technology. With one press of the remote, it uses intelligent climate
control to measure both temperature and moisture in the air to help
maintain a healthy environment across the whole room. Through air
multiplier technology, the Dyson humidifier can cool you in summer and
delivers bacteria-free Mist and hydrated air in winter.
This product has no expiration date or the manufacturer has not provided an expiration date.