The water contained in typical humidifiers is a breeding ground for bacteria. The Dyson model has an ultraviolet light treatment that silently purifies the water, twice over, so no unwanted elements end up in the air. The three-liter tank, Dyson says, is good for 18 hours of humidification.  Photo 1 of 5 in Dyson Humidifier Will Keep Your Air Clean Using Bacteria-Killing Technology by Alexander George

Dyson Humidifier Will Keep Your Air Clean Using Bacteria-Killing Technology

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The water contained in typical humidifiers is a breeding ground for bacteria. The Dyson model has an ultraviolet light treatment that silently purifies the water, twice over, so no unwanted elements end up in the air. The three-liter tank, Dyson says, is good for 18 hours of humidification.