Blue silicone group head gasket set for E61 espresso ✔️ 2-pack, BPA-free silicone; OD 73 mm, ID 57 mm, 8.5 mm These silicone group head gaskets replace worn seals on E61 and similar espresso machine group heads and portafilters. They ensure a tight seal for consistent espresso extraction and are easy to swap during routine maintenance. ✅ Outer diameter 73 mm (2.87 in), inner diameter 57 mm (2.24 in), thickness 8.5 mm (0.34 in) ✅ Material: high-temp silicone, BPA-free, durable and elastic ✅ Color: blue; easy swap and reusable for long life ✅ Includes: 2 gaskets per pack for quick replacements ✅ Compatibility: fits E61, Gaggia, Faema E98 and similar group heads 💡 What is a silicone group head gasket used for in espresso machines? This handy seal prevents leaks and maintains proper pressure for steady shot quality. - Ensures a tight seal between group head and portafilter for optimal extraction - Made from BPA-free silicone that withstands high temperatures and repeated swaps - Easy to swap without tools, extending machine life and reducing downtime - Compatible with E61 and related group heads