Wound Drain Pouch Barrier Type Flextend Skin Barrier HCPCS A4390 (Disclaimer) Size 12 Inch UNSPSC Code 42312104 Up to 2 Inch barrier opening; 12 Inch pouch length Integrated filter helps eliminate gas build-up (pouch bulging) Built-in convexity means added security and skin protection for recessed, retracted and flush stomas...cut-to-fit openings Integrated closure system provides security you can feel as the plastic fasteners lock into place Transparent