Features: Ensure a fit and prevent leaks with our silicone rings, specifically crafted for compatibility with coffee machine brew groups. Crafted with food grade silicone, these rings offer exceptional heat resistance and flexibility, ensuring safety and durability during high temperature brewing processes. Ideal for coffee enthusiasts aiming to enhances their home brewing quality, as well as professional repair technicians seeking reliable component for maintenance tasks. Perfect for daily coffee brewing at home or offices, commercial coffee shops needing consistent performances, and coffee training courses providing hands on experience with equipment. With easy installation and smooth surfaces for cleaning, these rings help maintain hygienes and enhances the flavor profile of your coffee by preserving its freshness. Specifications: Texture: Silicone Inner Diameter: Approx. 2.2inch(56mm) Outer Diameter: Approx. 2.72inch(69mm) Package Includes: 1x Sealing Gasket Or 2x Sealing Rings note: Please allow 1-2cm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color from the item.