[Compatibility] This 51mm two ears portafilter is compatible with Delonghi ECP3420, EC155, BCO430, EC260, and other 2 ears coffee machines. [Filter Basket Included] Includes a stainless steel 51mm filter basket that is compatible with Delonghi's original 51mm filter basket. [Extraction Improvement] The bottomless design allows observation of the flow column, flow rate, color, and flow column stripes during extraction. This helps identify defects or inconsistencies early, enabling more uniform and better-tasting espresso. [304 Food Grade Stainless Steel] Made from food-grade stainless steel, this bottomless portafilter is eco-friendly, non-toxic, sanitary, and safe. It offers excellent resistance to oxidation, corrosion, and rust, ensuring long-term durability. [Removable & Easy to Clean] The detachable design allows for quick and easy disassembly, use, and cleaning without hard-to-reach corners. Compatible with: BCO420, BCO430, BCO432, EC152, EC155, EC155M, EC156B, ECO310, EC0311, EC330, EC330S, EC702, EC200, EC221, EC235, EC260, ECP3420, ECP3630, ECP3220, ECP3220W, ECP3220R, ECP3120, ECP33.21, ECP35.31, ECP36.31 Material: ABS + Stainless Steel Color: Black + Silver Package Contents: 1 x 51mm Portafilter Note: The package includes only the items listed above. Other accessories are not included. Note: Lighting and display differences may cause slight variations in color between the image and the actual item. Measurement may vary by +/- 1-3 cm.