★ O-rings for De'Longhi Fully Automatic Espresso Machines - Set of 3 - 45mm ★ This is a set of O-rings for repairing De'Longhi fully automatic espresso machines. Available while supplies last. Please secure these for repairs. ・This is a set of 3 O-rings. ・The size is 45mm, the same as the original. ・The ring thickness is 4mm. ・Made of heat-resistant silicone!! Excellent elasticity and heat resistance. ・The second photo shows an example of how the O-rings are used (the product is only the O-rings). We do not recommend anything other than silicone O-rings for use in high-temperature areas. Please perform regular maintenance/replacement, just like with the original. We also offer 43mm O-rings, considering the load on the machine, so please choose the one that suits your style. Both sizes will not affect coffee extraction. 45mm ⇒ Recommended for those who want the same size as the original and can perform regular maintenance/replacement. 43mm ⇒ Recommended for those who tend to neglect maintenance.