Perfect Compatibility: These O-Rings are specifically designed to fit Breville 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 BPA-free, 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 NTC probes, covering all the critical sealing needs of your Breville espresso machine. Easy Installation: These O-rings are designed for hassle-free installation, allowing you to quickly replace worn or damaged seals without the need for professional help. Their flexibility and size accuracy ensure a perfect fit 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 head and O-ring set or A O-ring set Package Contents: 1 Set x 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. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.