General description This Coffee Machine Extraction Filter is an essential accessory for espresso brewing, designed to enhance the performance of your espresso machine. Its innovative design balances water flow, ensuring that the valve disc remains securely attached, which helps prevent fouling and splashing. Unlike traditional paper filters, this reusable metal filter offers smoother, more even, and balanced extraction. Technical specifications Material: 304 Food Grade Stainless Steel Diameter: 51 mm Thickness: 0.028 inches Usage Rinse thoroughly with water after each use to keep the brew group clean. If stained, clean the filter with a jet of steam for optimal maintenance.