- Compatibility: Designed for 51mm portafilter coffee machines including Delonghi models EC680, EC685, EC155, EC702; BREBES 250XL; Duo-Temp RM-800ESXL; Professional BES 820, BES830XL; Café Roma; and Krups models MS-622248, XP5220, 5240, Barista, Mr. Coffee, and more. - Capacity: This filter holds approximately 10 grams of coffee powder, making it convenient for single-serve brewing. - Espresso Accessory: The bottomless portafilter filter bowl is specifically crafted for semi-automatic coffee machines with a 51mm universal fit, ensuring versatility in your brewing setup. - Material: Constructed from professional-grade stainless steel with an ultra-fine mesh, this filter guarantees optimal extraction, preserving the nuanced flavors of your coffee. - Performance: Achieve barista-quality espresso at home. The ultra-fine filter ensures that essential oils and flavors are maximized, resulting in a rich and aromatic cup. - Use Scenarios: 1. Brew your morning espresso effortlessly with this filter, enhancing your daily coffee ritual. 2. Perfect for entertaining guests, allowing you to serve high-quality espresso drinks with ease. 3. Ideal for coffee enthusiasts looking to refine their brewing technique and enjoy a café-style experience at home.