Holder Seal O-ring for EC685/EC680 espresso machines - Practical, durable material for long service life - Exquisite, precise design that matches original equipment - Food-grade silicone: safe, flexible and easy to install - Excellent sealing with a soft silicone seal that fits securely, blocks moisture ingress, and reduces the need for frequent changes - Replace every three months to maintain airtightness, prevent coffee liquid leakage, and ensure optimal performance - Filter holder seal O-ring designed for espresso machines, compatible with various models including EC685 and EC680 - Available in natural color (primary color) and black Use scenarios - Routine maintenance on EC680/EC685: replace worn O-ring to prevent leaks and maintain pressure - Daily home brewing: maintain airtight seal for consistent espresso extraction and reduced risk of leaks - Servicing multiple models: quickly swap this O-ring to restore performance on compatible machines