E61 Brew Group Maintenance Kit The Caffewerks 8 mm silicone group gasket (seals) fit E61 brew group espresso machines like Rocket, Faema, Wega, and others. Be sure to know proper fit before ordering. These hold up very well in brew groups and remain soft and leak free longer than rubber. The softer silicone makes engaging the portafilter easier thus less effort and strain on your wrists. Food Grade Silicone is odorless and tasteless Durable, and easier to install and remove than rubber gasket The IMS E61 Brew Group non-stick NANOQUARTZ coating shower screen increases the resistance to corrosion and to chemical reaction. The integrated 200 Micron laser etched membrane creates the best dispersion pattern over your coffee while reducing the build up of coffee on the back of the screen. This one piece design provides solid performance. Features: Polished 316 stainless steel 98 holes ø 3 mm Aisi 304 stainless steel - food-safe certified integrated membrane 200 µm Shape: Standard dome shape with a slight level area around the dispersion disc landing area providing a better seal. Compatible Machines: Machines with an E61 Group Head Not sure which size or part you need? All Espresso Machine Parts are non-returnable. If you aren't sure what part you need please send us a message in the contact box below and we will help get you set up for success!