Silicone Group Head Gasket for Silvia Espresso Machines ✔️ OD 7.35 cm; ID 5.8 cm; thickness 0.84 cm; 2-pack, food-grade silicone This replacement group head gasket is made from food-grade silicone that is odorless and tasteless, designed to seal the espresso machine brew head for reliable pressure and a tight seal. It fits common group head footprints for home espresso machines, making maintenance quick and straightforward. ✅ Outer diameter 7.35 cm (2.89 in); inner diameter 5.8 cm (2.28 in); thickness 0.84 cm (0.33 in) ✅ 2-pack set provides quick replacement and keeps a spare handy ✅ Food-grade silicone formula resists heat and wear for long life ✅ Grooved side wall aids removal and replacement in tight spaces 💡 What is a group head gasket used for in espresso machines? This handy seal keeps the brew head tight to prevent leaks and ensure consistent pressure for better extraction. - It seals the brew head to maintain pressure and prevent leaks. - It helps preserve crema and flavor by keeping a reliable seal. - Regular replacement helps maintain performance in home espresso setups.