This E61 group head modification kit includes an IMS shower screen and 8.5mm silicone gasket for enhanced brewing consistency. The wire membrane shower screen features 35µm filtering capacity with 120 holes designed for optimal water distribution. Compatible with: E61 group head machines and Synesso espresso machines The kit includes a 60mm IMS shower screen (56.5mm body diameter) made from food-safe AISI 304 stainless steel, plus a Caffewerks yellow silicone gasket (73x57x8.5mm). The bright yellow gasket aids in cleaning visibility and resists high brewing temperatures. Both components work together to improve extraction consistency and group head performance.