Pep Air Oscillating Positive Expiratory Pressure Device is used for supporting airway clearance and respiratory wellness. It is a respiratory therapy device designed to support airway clearance and breathing exercises. The device generates positive expiratory pressure with gentle airway vibrations during exhalation, which helps loosen mucus and supports easier mucus clearance through coughing. It features three resistance levels that allow therapy to be adjusted according to respiratory comfort. The compact, drug-free design supports pulmonary rehabilitation and regular respiratory hygiene. The device is suitable for routine breathing exercises when used as directed by a healthcare professional.