Item: Coffee Filter Screen Type: Espresso Puck Screen Material: 316 Stainless Steel Size: 51mm / 53.3mm/ 58.5mm Filtration accuracy: 150um / 100um Thickness: 1.0mm or 1.7mm puck screen is the perfect addition to espresso brewing. Most popular espresso machine accessories Tools. More Feature DESIGNED compatible for BREWING ESPRESSO - Our puck screen is the best addition to espresso brewing. It is widely used in homes coffee, offices coffee or cafes. IMPROVED PERcompatible for MANCE - Made of 1.7mm thick layer 150m microns, either preventing or reducing channeling, And all of that is achieved by a more even delivery of water to your espresso puck. NO MORE PAPER FILTERS - The 53.3mm reusable coffee filter offers improved percompatible for mance over single-layer screens. Extraction is smoother, more even, and better balanced. HIGH-QUALITY STAINLESS STEEL - Made from food-grade, non-toxic Stainless steel, our metal screen coffee filters are highly durable, and corrosion-resistant. QUICK RINSE TO CLEAN - Keeps Brew Head Clean. Wash thoroughly with water after use. Clean with a blast from the steam wand if the product is stained.