Sealing Rings for Coffee Machines (Silicone) — compatible with Long, E16, Baistdu, and more Key benefits Restores seal and pressure: Replaces worn or damaged rings to stop steam and water leaks, restoring proper pressure for consistent extraction and better flavor. Durable heat-resistant material: Made from silicone designed to withstand high-temperature steam, increasing longevity and reducing the need for frequent replacements. Easy to install: Includes a simple installation tool so you can replace rings quickly without professional help, saving time and service costs. Precise fit for reliable performance: Engineered for a snug fit with compatible models to maintain consistent brewing performance and prevent unnecessary wear. What this product does Functions as the primary sealing component between boiler and group head/portafilter connections to prevent steam and hot water from escaping. Helps maintain correct brew pressure and temperature consistency, which contributes directly to extraction quality and cup taste. Compatibility and attributes Compatible with a range of machines, including Long, E16, Baistdu, and other similar models. Material: heat-resistant silicone suitable for repeated exposure to steam. Package includes sealing rings plus an installation tool for straightforward replacement. Practical use scenarios Home maintenance: Replace deteriorated rings on a household Long or E16 machine to stop drips and restore stable pressure after months of use. Cafe or office backup: Keep spare rings and the installation tool on hand for quick fixes during service hours to avoid downtime. Routine servicing: Use during scheduled maintenance to extend machine life and maintain consistent espresso quality. Notes Verify compatibility with your specific model before installation. Follow machine manufacturer guidance for safe replacement and operation.