Compatible Models: This 51mm full stainless steel portafilter with three ears is compatible with the for Espresso Machine CM5418, 3700Essential, 3700Pro, Espresso and for Cappuccino Machines, for Espresso Machine, and certain models of Espresso Machines. In general, if your coffee machine's portafilter is 51mm in size and features three ears, each approximately 4mm thick, this portafilter should be compatible with your machine. Double Cup Filter Basket Included: A 51mm non pressurized filter basket with a 2-cup capacity, holding up to 16 g of ground coffee. We recommend verifying the dimensions of your espresso machine's portafilter before purchasing. It should be a 51mm portafilter with three ears, each approximately 4mm thick. Useful Tips: We recommend using fresh coffee beans to grind your own ground coffee. Adjust the grinder to a finer setting for optimal results. Using too coarse a grind, too little ground coffee, or insufficient tamping pressure can all result in inadequate pressure for a proper brew. It's suggested to use 15-16g ground coffee for double shot espresso. Detachable and Easy to Clean: The detachable design allows for quick and easy disassembly, allowing you to clean every part thoroughly and without stress. Whether you're wiping it down or giving it a deep clean, the removable design ensures you can keep the handle free from coffee buildup, ensuring a hygienic and seamless brewing experience. Enjoy hassle-free maintenance, ensuring your espresso machine stays in top condition for every