Product Features 1. Made of high-quality stainless steel, it is rust-resistant, wear-resistant, durable, and has a long service life. 2. It is compact in size and light in weight, making it an excellent accessory for coffee machines. 3. Suitable for backflushing semi-automatic coffee machines with a pressure relief mechanism. 4. Easy to clean and simple to install, it can directly replace old or damaged filters. 5. A practical coffee accessory suitable for 51mm/58mm coffee machines. Product Specifications 1. Material: Stainless steel 2. Compatible size: 51mm/58mm Precautions 1. Due to manual measurement, a 1 - 2cm error is allowed. 2. Due to differences in different monitors, the pictures may not reflect the actual color of the product. Package Contents 1 coffee blind filter When shopping, please pay attention to the product's size and specifications to ensure they meet your needs. In the title and related content, we have provided detailed information about the product, including its features and specifications. We hope you are completely satisfied with your purchase. If you have any questions or concerns, please feel free to contact us. We will serve you whole - heartedly and do our best to provide assistance. Thank you for choosing our product. Have a great experience!