This flat gasket is suitable for a brass siphon for bidet or washbasin. It guarantees the seal between the base and the body of the siphon. Its external diameter of 54.8 mm and internal diameter of 50 mm, for a total thickness of 3 mm. The installation is very easy.
In black elastomer, this flat seal is sold in sets of 10 units. This spare part is very resistant and suitable for Valentin bathroom basin traps ref 1303 and 1413