Our premium coffee paper filters are suitable for Bozeman percolator, vintage coffee pots, and espresso machines. Designed for optimal extraction, these filters deliver a rich, delicious, and bitter-free cup of coffee. Food Grade Material: Made from natural pulp, these filters offer excellent air permeability, strength, and water permeability. A must-have for every coffee lover. Package Contents: You will receive 400 unbleached coffee filter papers with a diameter of 3.75 inches (95mm) and a center hole of 0.39 inches. The filters are packaged in a clear sealed bag. Ideal for use in banquets, parties, restaurants, and homes. Wide Application: Enjoy great coffee anytime, whether at home or in the office. Also suitable for restaurants and coffee shops. A practical choice for coffee enthusiasts. High-Quality Filtration: These paper filters enhance coffee purity during brewing. Effectively remove fine sediments, oils, and bitterness while preserving the coffee's natural flavor profile, resulting in a cleaner and better-tasting brew. Color: White Material: Paper Size: Approximately 95mm (3.75 inches) Package Includes: 400 x Percolator Coffee Filters Note: The actual product may vary slightly in color due to lighting and screen display differences. Measurement error is allowed within +/- 1-3cm.