Made of high-quality material, sturdy and sensible to use. Exquisite and delicate, highly matched with package This O ring is found twice in the for Delonghi brewing unit and as quickly as on the brewing piston. Model compatibility for EAM, for ESAM, for ECAM, for Prima Dona, for Perfecta, for ETAM For Delonghi brewing unit like the plunger Suitable for Delonghi coffee machines, and like instruments of the same construction. Part number:5332149100 Colour:Red Material:Silica gel Size:Diameter 36mm;width four Package Contents: 10 * sealing ring Only the above package content, different merchandise are usually not included. Note: Light mirrored image and various displays can cause the colour of the article within the picture a bit various from the genuine thing. The dimension allowed error is +/- 1-3cm.