If you care cone filters are made from forest stewardship council fsc certified unbleached totally chlorine free tcf paper choose from no 2 or 4 which will fit all no 2 and no 4 cone style coffeemakers 100 filters per pack since no chlorine or chlorine derivatives were used to produce these filters no chlorine or chlorine derivatives get dumped into our lakes rivers and streams if you care coffee filters feature a strong ldquonever breakrdquo double seam which assure