This coffee filter is made of chlorine-free bleached paper with a quality weight of 45 g/m2 and is designed for the high-production coffee machine without compromising on quality and environmental friendliness. Each filter is white and has an outer diameter of 400 mm and a lower diameter of 152 mm. This size ensures that the filter fits different coffee machines on the market, and at the same time it provides an optimal brewing experience. For further information about use, it is recommended to read the data sheet.