【Safe Material】The coffee puck filter screen is made of multi layer sintered 316 stainless steel, which is synthesized without using any glue. The surface of the filter screen is flat, the pore size is consistent, the filterability is good, and it can be used more heavily. PS: 316 is a better material than 304, and can be used continuously at high temperatures 【150μm Filter Mesh】In the case of ensuring the filtering effect, the 150μm density filter mesh can enhance the aroma of coffee more effectively than other density filters, and is more suitable for espresso machines. Filters out the coffee grounds, leaving the perfect coffee taste 【Easy to Clean】The espresso filter is resistant to high temperature, acid and alkali. Easy to maintain and clean, just rinse thoroughly and dry or set aside. Rinse your french press coffee filter under the tap for a few seconds until there is no coffee residue left 【Reusable】The coffee filter is reusable and can replace paper filters. Reusable coffee pot strainers improve extraction and uniformity and increase pre infusion more effectively than single ply filters. Hot coffee does not release harmful substances, which helps to maintain the original taste of coffee 【Ideal for Brewing Espresso】This stainless steel coffee filter is the perfect complement to espresso. Keep your machine and shower screen clean with this coffee filter, improving water distribution and reducing the chance of splashing