General description This two ears portafilter is designed for 51mm coffee machines, including models such as ECP3120, ECP3420, EC155, BCO430, and EC260. It is an essential tool for coffee enthusiasts looking to enhance their brewing experience and achieve a perfect cup of coffee. Technical specifications Material: 304 stainless steel and Ebony wood Size: 51mm Measurement allowed error: +/- 1-3cm Compatibility and accessories Compatible with ECP3120, ECP3420, EC155, BCO430, EC260, and other 2 ears coffee machines Includes a 51mm filter basket compatible with the stock 51mm filter basket Installation Easy to install and replace existing portafilter Usage Bottomless design allows observation of extraction flow, velocity, and color Helps identify and correct extraction problems for better coffee quality Other information Note: Light reflection and different displays may cause the color of the item in the picture to differ slightly from the actual product