Rocket Commercial Group Diffuser O-Ring

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Replacement Rocket Espresso Commercial Group Diffuser O-Ring. This large o-ring sits between the diffuser and the group itself. The diffuser and o-ring should be removed and cleane d regularly. Replace o-ring every 6 months or at any sign of damage. It is recommended to keep extra o-rings on hand as your group cannot properly function without the o-ring in place. Also compatible with the Diletta Mio Espresso Machine. Part number R499905544. Show more