Air Purifier with Humidifier Dyson Pure Humidify+Cool PH03 Dyson Model Name: Pure Humidify+Cool Dyson Model Number: PH03 Brand: Dyson Purchased in 2022, about two years ago, and used only a few times (less than 5). There is no box, so it will be wrapped in packing material for shipping. In addition to the air purification function, it also has a humidifying function, so it can be used in winter in conjunction with heating appliances, and in summer as a fan. Dyson Model Name...Pure Humidify+Cool Dyson Model Number...PH03