Unlike conventional PVC cannulas, which are hard and create considerable friction and shear forces when dragged across the skin, Comfort Soft Plus is highly elastic and relieves pressure on and behind the ears, thereby preventing pressure ulceration. Whatever âtheyâ call it, no other âsoftâ cannula from any other manufacturer, performs as well as Westmed Comfort Soft Plus. Cannulas in the Comfort Soft Plus Family:#0536 Harness Only with 2 inch Connector#0588 Clear in Color, 2 Feet in Length...