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