Urocare - Black Gasket-Ring is available in both the small and large dimensions to prevent leakage and as an alternative to the "Little Red Valve".
Small Gasket-Ring (URO5999): Use the small size as the replacement gasket ring for the standard bottom drain valve (URO6005), straight-thru adaptor (URO6022) and all quick drain valves. Latex. Package of 10.
Large Gasket-Ring (URO6000): The large size is the alternative top valve housing seal for use when the "Little Red anti-reflux valve" is not present. This gasket prevents leaks in all Urocare reusable latex leg bags and the Urocare Urinary Drainage Bottle. Latex-free. Package of 10.