Acapella Choice Positive Expiratory Pressure (PEP) DeviceAcapella Choice Vibratory PEP Therapy Device System combines the benefits of both PEP therapy and airway vibrations to mobilize pulmonary secretions. The therapy it provides is better tolerated than chest physiotherapy (CPT) and can be delivered in about half the time. Positive Expiratory Pressure (PEP) therapy is used to mobilize secretions. PEP devices have been found to give independence to patients with chronic respiratory diseases as the therapy