This is the washer that holds the water in the toilet cistern. If cistern empties slowly on its own this washer can be the problem.
Replacement Flush Valve Seal & Clip for Ideal Standard Armitage Shanks Flush Valves SV01967 (3) White
Dual Flush Toilet Button Kit for 20mm and 40mm Cistern Lid Holes, For Replacement Flush Valve with Brushed Brass Finish, Installation Set for(Black)
VIVA SKYLO REPLACEMENT FLUSH VALVE RUBBER SEAL SKY095 *CHEAPEST ON EBAY*
Cistern replacement Flush valve B228 Toilet to Go TORONTO ZONE WINCHESTER
Toilet Flush System Replacement, Toilet Cistern Flush Parts, Water Closet Flush Valve, Toilet Syphon Replacement Kit with Button Screw Sealing Ring, 6 PCS Vintage Tank Accessories Side Inlet Valve
Toilet Dual Flush Valve Replacement, Toilet Cistern Flush Valve Push Button Toilet Cistern Flush System Parts Dual Flush Fill Toilet Cistern Inlet Drain Valve G1/2 (25cm)
