It comes with built-in convexity and features ComfortWear panels which provide a soft

minimizing the risk of irritation and discomfort

2-3/4" stomahesive cut-to-fit barrier

clear unit markings

The innovative Adhesive Coupling Technology™ eliminates the need for plastic rings that must be snapped or locked together

Round Barrier Discs 1" Opening, 3 1/2" Outer Diam. Neb Compressors and Supplies It comes with built-in convexityNu Hope Standard Barrier Disc 1" Opening Round, 3 1 2" OD Nu Hope Barrier was developed of special materials designed to provide the most comfortable skin protection and seal avaialable. Flexible, durable, and affordable.