COMPATIBILITY. This two-ear portafilter 51mm is compatible with ECP3120, ECP3420, EC155, BCO430, EC260, and other two-ear coffee machines. Enjoy a perfect cup of coffee to start your day. FOOD GRADE 304 STAINLESS STEEL. Made of 304 stainless steel, this portafilter offers resistance to oxidation, corrosion, and rust, ensuring long-lasting durability. SUBSTITUTABLE DESIGN. The two-ear bottomless coffee portafilter includes a 51mm filter basket that is compatible with standard 51mm filter baskets. A GREAT HELPER FOR COFFEE MAKING. The bottomless design allows you to observe the flow column, flow velocity, and extraction color more clearly, helping you identify and improve extraction issues for better results. REMOVABLE HANDLE. The bottomless espresso portafilter features a wooden handle designed for comfort and stability. The ergonomic structure provides a secure grip and smooth operation. Color: As shown Material: Stainless steel + wood Size: 51mm Package Contents: 1 x Bottomless portafilter with filter basket Note: Light reflection and differences in display screens may cause slight variations between the color shown in the image and the actual product. Measurement may vary by +/- 1-3 cm.