Coffee Puck Screen 304 Stainless Steel Double Layer Fine Filter Screen compatible for Portafilter1.High filtration quality: the coffee cake filter is made of food-grade 304 stainless steel material, which is eco-friendly, durable, heat-resistant and reusable. 2.Fine filter: coffee filter thickness is 1.2mm, has good filtration effect, suitable compatible for water flow with pressure. 3.Feature:Coffee filter can evenly disperse the water flow, increase the solids dissolved into the espresso, help you get a better extraction effect. 4.Compatibility: The addition of espresso machine filters improves water distribution and eliminates water flow blockage. Suitable compatible for all kinds of espresso machines. 5. Reusable: The espresso machine filter is heat resistant, simple, practical and reliable compatible for home, kitchen and coffee bar. 6.Double-layer filter, by carefully processing small holes inside the large holes, the filter can compatible for ce the water flowing from the group head to become softer and eliminate water flow blockage. Parameter: Color: silver Material: 304 stainless steel