This sealing rings is suitable for multiple coffee machines and provides great convenience for users The product design is, and users can install it themselves without the need for special professional skills and tools Applicable models: Suitable for C / D / E / F / S / X coffee machines The sealing rings is exquisitely designed, which can effectively water leakage in the coffee machine and improve its service life Make from silicone, ensuring the durability and long term use of the product