Chemex Compostable and Biodegradable Filters, crafted from responsibly managed North American pine trees. These white paper filters are 20 to 30% thicker than standard filters, ensuring a smooth and clear cup of coffee. Certified by the Forest Stewardship Council, Sustainable Forestry Initiative, and the Programme for the Endorsement of Forest Certification, they are both compostable and biodegradable. Each box contains 100 filters. Enjoy eco-friendly brewing with Chemex filters!