A filter baffle assembly including a filter cap engageable to a mouth of a container, the filter cap including a filter vent operatively attached to a liner situated within an inner space of the filter cap, and a gas permeable point baffle welded to the liner and covering the filter vent, the point baffle including at least one perforation to permit gas exchange between the container interior and the filter vent, and to protect the filter vent from contact with contents in the container. A gas permeable point baffle for protecting a filter vent from contact with the contents of a container, including at least one perforation, the point baffle being welded to a liner and covering a filter vent operatively attached to the liner, housed within a cap engageable to the mouth of the container. A method for protecting a filter vent from the contents of a container.