POUCH, DRN 12" OPAQUE W/FILTER1 3/4" (20/BX) The SUR-FIT Natura® Flange System signals a secure, accurate closure with a series of audible “clicks%XE2%X80?. 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 drainable pouches have soft, fabric-like comfort panels. In addition, drainable pouches are available with the InvisiClose® tail closure system and an advanced filter. The InvisiClose® clipless tail closure offers double security, ease of drainage, comfort and cleanliness.