(Model FP-2N) Includes 100 Natural (Unbleached) Half Moon coffee filters (Model FP-2N) Compatible with Chemex 3-Cup Coffee Makers: CM-1 (Chemex 3-Cup Handblown), CM-1C (Chemex 3-Cup Classic), CM-1GH (Chemex 3-Cup Handle). NOT COMPATIBLE with larger Chemex Coffee Brewers 20-30% heavier than other filters Produces coffee with clarity and complexity Natural Brown Paper Filter (Model FP-2) 100 Chemex bonded coffee filters Cone-Shape ensures uniform extraction for pure coffee flavor Thicker (20-30Percent more than the competition) specialty fiber filter design keep bitter elements, oils, and grounds in their place (and out of your cup) Compatible with Chemex 3-cup coffee makers: cm-1 (Chemex 3-cup Handblown), cm-1c (Chemex 3-cup classic), cm-1gh (Chemex 3-cup handle). Not compatible with larger Chemex coffee brewers