These Bartscher 190.014 basket filter papers are designed for high-volume coffee preparation in professional environments. Made from brown cellulose, each food-safe filter features a bottom diameter of 90 mm and a top diameter of 250 mm to ensure a secure fit and efficient brewing process. This pack contains 1000 filters, making it a practical choice for permanent commercial use where consistency is key. They are specifically compatible with the Bartscher Contessa 1000, Contessa 1002, and Aurora 22 coffee machines, ensuring that your equipment operates smoothly and the final brew is clear of sediment.