ConvaTec SUR-FIT® Natura® + Two-Piece Closed-End Pouch with Charcoal Filter 2-1/4" Flange, Opaque, Standard, 57mm Ring, Latex-FreeThe SUR-FIT® Natura® two-piece ostomy system provides versatility and can be removed or interchanged with other pouch types without removal of the skin barrier/wafer. Closed-end pouches are designed for one-time usage, which makes them ideal for everyday use, special occasions or for intimate moments. Eliminates the need to manipulate a tail closure and empty a pouch. Designed with a filter to reduce odor and gas build-up.Charcoal filter allows for release of gas.Audible clicking of flange confirms secure connection.Fabric-like double-sided comfort panels.Closed-end design eliminates need for tail-clip and emptying.