Smiths Medical Portex Acapella� Vibratory Pep Therapy System Case 27-9000 by Smiths Medical ASD GROUP: Respiratory & Oxygen:Oxygen Item Description: Duet Kit Includes: Acapella� Duet, Mouthpiece, Portex� SVN, Oxygen Tubing & Collapsible Flex Tubing, 10/Case Packaging Desc: Therapy System Duet Kit 10/Case Country of Origin: Harmonized Tariff Code: Product Description: