O-Ring Jura Brew Group Lower Piston

O-Ring Jura Brew Group Lower Piston This black sealing ring was previously used in the Jura brew group on the lower piston, but also fits newer brew groups. In the current brew groups, only one size is used for both pistons. The new red O-ring for the brew group can be found in the shop under Art. No.: 62999. Scope of delivery: 1x O-ring as pictured