Cerapotta Keramisch Koffiefilter-Set. Now also available as a set with cleaning brush and Japanese measuring spoon. The Cerapotta ceramic coffee filter proves it: coffee can be even healthier and even “slower.” The latest innovation comes once again from Japan, where people like to take their time. This ceramic coffee filter can make up to 4 cups at a time. Paper filters are now a thing of the past. The filter “cleans” both the water and the coffee, giving it an unparalleled taste. Instructions for use: coarse grind.