Smiths Medical ASD Inc Flex D.I.C.® Replacement Inner Cannula 5mm Tube I.D.The Portex® flexible, disposable, inner cannula tracheostomy tubes are constructed of siliconized polyvinyl chloride, providing a softer and more pliable tube to reduce risk of tracheal trauma. Built-in, 15 mm ISO termination for easy ventilator circuit attachment with or without inner cannula in place.

• Siliconized, polyvinyl chloride providing a softer and more pliable tube to reduce risk of tracheal trauma.
• Comes in four, adult sizes with each size color coded for quick identification.