Product description: "Sure Brew Screen" to reduce channeling for espresso, a piece made of layers of stainless steel with a thickness of 1.7 mm with small holes of 150 microns. Product uses: used on top of the espresso basket (or called the espresso cake) to reduce water flow from the espresso machine and help reduce the occurrence of channels (channeling). Product features: - made of multiple layers of stainless steel with small holes of 150 microns. - made of high-quality materials, making it resistant to rust, lasting longer, and not affected by frequent use. - works to enhance the full extraction of coffee grounds, suitable for various parts of the coffee machine. - easy to install and remove, can help in making delicious coffee drinks. Related product links: Barista tools, DeLonghi tools