The filters have a base diameter of approximately 100mm, a flat diameter of approximately 250mm and a paper weight of approximately 39gsm (grams per square meter). They are suitable for commercial filter coffee machines, not for domestic coffee machines. Fits Bravilor Bonamat Novo, Mondo and TH filter coffee machines Fits Buffalo F454, G108, J510, T418, CF593, DN487, DK946 filter coffee machines Fits other machines such as Technovorm, Kona, Bunn, Marco and similar filter coffee machines Dimensions - base diameter of approximately 100mm, flat diameter of approximately 250mm and a paper weight of 39gsm (grams per square meter). The paper used in our "basket" coffee filters is pure paper and does not contain any environmental pollutants. All our white paper is supplied by certified sustainable forestry operations. Our paper is made from only wood-free virgin pulp and does not contain any recycled material. Our basket coffee filters comply with all food regulations.