Nasopharyngeal airways Product Code: MED 103 Specifications: Sterile individually pealable pouch packed Size/Strength: 4.0 mm-8.5 mm Description Manufactured from nonirritant medical grade soft PVC compound.? Maximum Kink resistant helps to ensure the patent airway. Smooth rounded edges for increased patient comfort. Thin wall construction. Anatomically designed. E.T.O. Sterile & Pyrogen free.