Universal Compatibility: Designed for espresso enthusiasts, this 51mm stainless steel portafilter is compatible with CASABREWS CM5418, 3700Essential, Mr. Coffee, Wirsh, and select Gevi machines. Confirm your machine's portafilter measures 51mm with three ears for proper fitment. Dual Filter Options: Includes two pressurized filter baskets engineered to deliver rich crema and bold espresso flavor. Customize your brewing experience with consistent results. Installation Guidance: Measure your existing portafilter before purchase to ensure it is 51mm with three ears. For best performance, use freshly ground coffee and apply even tamping pressure. Easy Maintenance: Features a detachable design for simple cleaning. A removal tool is included to easily take out the filter basket after use, streamlining both brewing and cleanup. Color: Black Material: Stainless steel and plastic Note: Due to variations in lighting and screen settings, the color may appear slightly different in images. Product appearance and text may vary slightly between batches, but this does not affect functionality. Package Contents: 1 x Coffee Portafilter, 2 x Coffee Filter Basket. Additional items shown are not included. Measurement tolerance: 1-3 cm.