E61 8mm calf muscle

Round silicone portafilter gasket for E61 group head. This piece works on sealing the portafilter inside the group head, preventing leaks and maintaining temperature. It is made of heat-resistant silicone material, and features easy installation and long lifespan. Features: made of silicone. Allows you better and easier control of the portafilter. Complete leak insulation. Product specifications: materials: made of silicone. Color: black. Dimensions: 73 * 8 * 57 mm.