Geberit 816.418.00.1 Replacement Dual Flush Cistern Valve Diaphragm Washer Seal
GEBERIT TWICO FLUSH VALVE SEAL. New silicone design replaces older grey version. Size OD 63mm. Hole size 32mm. We can assure you that a product that 'looks similar ' or 'should work ' willnot without being correctly identified.