1. NOTE: Please read the SIZE picture about this product, and check your machine SIZE before this product. Please make sure that your machine's SIZE is suitable for the ears of this portafilter. Does NOT fit Capresso EC50 and ec9155. 2. Elevate Your Coffee Experience This 51mm espresso portafilter and puck screen set is the accessory to help you make delicious and mellow coffee drinks like a pro barista. Suitable for 51mm Delonghi Portafilter. These barista tools elevate your espresso set, delivering a smoother, more balanced espresso, upgrading your coffee brewing process. 3. Compatible with Multiple Delonghi Models This 51mm espresso portafilter is designed to Delonghi espresso machines. It is not fits for Delonghi series models that starting with 9, and it is fits for all others Delong series models. Please check your model size carefully before this. 4. Espresso Puck Screen This 51mm puck screen specially designed for Delonghi is made of stainless steel, sturdy enough for longterm use. The puck screen enhances water flow, preserves coffee puck structure under pressure, leading to enhanced extraction and a creamier, richer espresso. 5. Aluminum Alloy Construction This 51mm espresso portafilter is made of Foodgrade Aluminum Alloy, ensuring that your espresso remains untainted by undesirable chemicals or impurities. And the aluminum alloy variant boasts exceptional resistance to oxidation, corrosion, and rust, ensuring the portafilter's longlasting durability.