* The product is connected to the air supply device and is used to provide continuous positive airway pressure to the patient.
* Used in conjunction with a ventilator to deliver oxygen to patients, suitable for acute respiratory distress (e.g., acute pulmonary edema, pneumonia, acute lung injury, cystic fibrosis, postoperative distress) or respiratory failure (e.g., chronic obstructive pulmonary disease), suitable for both hospitals and households