- Function and benefit Replaces worn or degraded espresso group seals to restore a proper seal between the group head and portafilter, helping prevent leaks and support consistent extraction quality. - Material and safety Made from food-grade silicone, odourless and tasteless, safe for contact with coffee and hot equipment. - Durability and maintenance More durable than rubber seals and designed for easier installation and removal, reducing maintenance time and downtime. - Compatibility and fit Designed as a direct replacement for compatible espresso group seals. Please verify compatibility with your machine’s group head size and model before purchasing. - Performance highlights Maintains seal integrity through frequent use, resists wear over time, and helps minimize flavor transfer from aging seals. - Use scenarios 1) Home use: Replace an aging gasket to restore consistent extraction and prevent leaks in a daily espresso routine. 2) Cafe or office setting: Quick replacement during routine maintenance to minimize downtime and keep service running smoothly. 3) Refurbishment projects: Upgrade from rubber to silicone seals on older machines to improve ease of installation, cleaning, and long-term durability.