BETTER TASTING COFFEE: The metal coffee filter has dual filtration, with a stainless steel mesh on the inside, and a laser-cut filter on the inside. Our customers rave that this cone coffee filter makes much better coffee than traditional paper filters! EASY TO CLEAN: After use, simply dump your coffee grounds and rinse your coffee filter under warm running water. We recommend every 3-4 weeks to descale the pour over filter by soaking it in a solution of distilled vinegar and warm water. REUSABLE COFFEE FILTER - NO MORE PAPER: Paper filters inhibit the brewing process by blocking the majority of coffee'S natural oils and nutrients. permanent coffee filter is a more economical and eco-friendly alternative to paper filters. pour over coffee filter Made from stainless steel this is arguably the best filter for (4,6 cups and 8,10 small cups), (2.0, 3.0) and other coffee makers. With stainless steel coffee filter, you 't trap the oils from your coffee grounds, which means that you'll flavor and a more robust cup of coffee.