Without filter paper, Easyworkz adheres to the product design concept of simplicity and ease of use, and the autoclave adopts a brand-new quadruple filtration function, which is composed of spring filter element, nylon filter screen, stainless steel filter screen and stainless steel tray combined with metal fixed filter screen, eliminating the trouble of using filter paper, making it more delicate in taste and more hygienic and environmentally friendly. If you have any questions, please ask. I wish you success in your work and good health.