An ostomy pouch includes an outer wall (12) having an inlet opening (24) and a filter (20), the outer wall defining an interior volume (14), an internal wall structure (16) disposed within the interior volume, a one-way valve (22) connected to the internal wall structure, and a path (18) formed by the internal wall structure, the path having an opening (28) at one end and the one-way valve at another end, wherein the filter is positioned within the path.