O-ring for the riser pipe of the Jura brew group

O-ring for the riser pipe of the Jura brew group In the upper piston of the Jura brew group is the riser pipe, through which the finished coffee flows to the outlet distributor. At each end of the riser pipe there is one of these O-rings to prevent the coffee from running into the upper piston. Scope of delivery: 1x O-ring as pictured