CHEMEX Bonded™ filters are crafted from laboratory-grade paper to eliminate fats, bitterness, acidity, and sediments that other filters often leave behind. By removing these elements the filters helps you brew a clean, rich, and flavourful cup of coffee. Their unique design ensures the ideal brewing time - neither too slow nor too fast - perfect extraction every time. 100 bonded paper filters for use in the Chemex 1-3 cup model. Details & Delivery Free UK Tracked 48 delivery on orders over £30. Place your order before 10:00am, Monday to Friday for same day dispatch. Please see our FAQs for full details. Giving back As a Certified B Corporation, Dear Green is committed to giving back. We support charities and organisations that share our ethics and values, allowing us, together with every purchase, to make a positive social and environmental impact all year round.