Perfect Compatibility: These O-Rings are specifically designed to fit Espresso Machines models BES900, BES920, BES980, and BES990. Each pack contains 17 pieces, ensuring you have the exact replacements needed for maintenance. Premium Material: Crafted from high-quality, food-grade silicone, these O-rings are , ensuring safety and durability. They are engineered to withstand continuous use in high-temperature environments typical of espresso machines. Comprehensive Set: This kit includes 5 large blue O-rings for steam or water level probes and 12 small red O-rings for soft connection tubes or probes, covering all the critical sealing needs of your espresso machine. Easy Installation: These O-rings are designed for hassle-free installation, allowing you to quickly replace worn or seals without the need for professional help. Their flexibility and size accuracy a every time. Enhanced Performance: Regular replacement of O-rings can prevent leaks and maintain optimal pressure within your espresso machine. This not only extends the life of your appliance but also ensures consistent coffee quality and taste. Colour: As Shown Material:Silicone style: B Brewing + O-ring set Package Contents: 1 Set * Coffee O-Rings Seal Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.