The Alaris Medical 5702EU is an adult humidifier under the HCH II series. This medical device is designed to add moisture to the air that a patient breathes, making it easier to breathe and more comfortable, especially in dry environments. This can be particularly beneficial for patients with respiratory conditions or those recovering from certain medical procedures. The HCH II Adult Humidifier is designed for ease of use and efficiency, providing reliable performance for healthcare providers and comfort for patients.