100 filters per pack. Pre-folded for convenience. Cone-shape ensures uniform extraction for pure coffee flavor. Fits most cone-shaped filter coffeemakers. 20-30% thicker paper than most of the competition. CHEMEX Bonded™ filters remove undesirable elements from the coffee and are compostable. Oxygen cleansed using a bleach-free process, ensuring no chemical residue or taste is imparted to the filter. Our filter paper is manufactured in the USA from North American materials only, adhering to responsible and sustainable practices. Each filter is cut in house at our factory, on a machine that is operated by one of our team. Easy clean-up. No trays, no baskets, just simply remove the filter and discard. Works well with all types of roasts- even tea! Fits all CHEMEX® Coffeemakers except for the Three cup Class Series (CM-1C), Three cup Handblown Series (CM-1), Three cup Glass Handle Series (CM-1GH), and the Funnex (CM-FNX). Responsibly harvested and conforming to SFI, FSC, and PEFC sustainable programs.