Sur-Fit Natura® Two-Piece Drainable Filtered Ostomy Pouch, 14 Inch Length, 2.25 Inch Stoma, 5 ctSignals a secure, accurate closure with a series of audible inch clicks inch A simple snap off, snap on design allows users to change the pouch quickly to match activities without removing the skin barrier from the skin The High Output pouches come with a removable filter that reduces pouch ballooning and neutralizes odor, an anti reflux valve that decreases liquid output backflow, and an outlet with spout and cap that quickly and easily drains high