Abstract: A manual gas vent assembly for use in venting gas from the interior of a conventional unvented ostomy collection pouch include a valve assembly having an open position, which permits gas to pass therethrough and a closed position, for preventing gas to pass therethrough. The valve assembly has an input portion for communicating with the interior of the ostomy collection pouch and an output portion for communicating with the atmosphere and a mounting device for mounting the valve assembly to a selected portion of the wall of the ostomy collection pouch. The mounting device releasably contains therein a portion of the valve assembly so as to position the input portion thereof proximate the interior of the ostomy collection pouch, and the output portion of the valve assembly proximate to the atmosphere. Also included is an absorbent pad suitable for receiving an antiseptic and/or deodorant.