Stainless Steel Structure: Constructed of quality stainless steel, this espresso puck screen is rust , safe, and enduring, ensuring long term use Convenient to Clean: Helps keep the shower area of your coffee machine clean, avoiding coffee waste buildup and ensuring optimal brewing conditions Ultra Thin Design: At about 0.8 mm (0.3 inches) thick, it requires no adjustment to the coffee grounds. The double layer mesh ensures a tight fit, preserving the taste of the coffee extract Fine Mesh for Even Extraction: Featuring an 80 mesh fine filter with 0.25 mm holes, the double layer design ensures even water distribution and improves extraction consistency Multifunctional Use: Suitable for various settings, including homes, offices, and cafes, making it a practical choice for coffee lovers everywhere