Compatibility: This two ears portafilter 51mm fits for ECP3420/EC155/BCO430/EC260 etc 2 ears coffee machine. Filter Basket Included: Stainless steel 51mm filter basket included and compatible with 's stock 51mm filter basket Extraction Improvement: the bottomless design can help observed the flow column, flow rate, color, flow column stripes, etc., find the defects and errors before extraction, and better judge the uniformity of extraction, thereby making it more delicious and more Espresso 304 Food Grade stainless steel: The Bottomless Portafilter is made of food-grade Stainless Steel, eco-friendly and non-toxic, more sanitary and safer, has the characteristics of oxidation , corrosion , rust and durability Removable & Easy to Clean: - The detachable design is convenient and quick to disassemble, easy to use, and easy to clean without dead corners. Compatible with: for 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 colour:Black + Silver Package Contents: 1 x 51mm portafilter Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.