Silicone Head Gasket, 72mm OD x 58mm ID x 7mm Thick ✔️ 72mm OD, 58mm ID, 7mm thick silicone gasket; pack 1 This gasket is a precise silicone seal designed for commercial espresso machines. It fits Nuova Simonelli models and other brands using a 72x58x7 mm gasket, keeping brew pressure steady by sealing the portafilter to the group head. Pack: 1 gasket. ✅ Size: 72mm OD x 58mm ID x 7mm thick ✅ Material: Food-grade silicone that withstands heat and frequent use ✅ Compatibility: Nuova Simonelli and other commercial machines ✅ Installation: Split-groove design for fast replacement during routine maintenance 💡 What is a silicone head gasket used for in espresso machines and how does it affect performance? Silicone head gaskets seal the connection between portafilter and group head, helping maintain pressure and prevent leaks. - Seals portafilter to group head to prevent leaks and preserve brew pressure - Heat-resistant silicone stands up to daily espresso brewing temps - Split-groove design makes swapping during routine maintenance quick - Regular replacement keeps extraction consistent