Geberit Flush Valve Seal 816 418 00 1 Replacement seal for the geberit flush valve range This same washer will suit all concealed or close coupled valves Supplied to many of today's leading brands as villeroy & boch, duravit, ideal standard and more Size 62mm od, hole size 32mm. Replaces the older style 'grey' version Genuine geberit part, direct from the manufacturer