Natural half circles / Non Bleached, Pairs with the Funnex Pour Over 100 filters per pack Designed for 1-3 cup narrow Funnex pour over Cone-shape ensures uniform extraction for pure coffee flavor Removes impurities, acidity, unhealthy and bitter elements from the coffee. In your brewed cup you will find only the caffeine and desirable aromatic oils of the coffee beans Our filter paper is manufactured in the USA and uses only USA materials. Responsibly harvested and conforming to SFI, FSC, and PEFC sustainable programs Compostable and biodegradable Easy clean-up. No trays, no baskets, just simply remove the filter and discard Chemex is a family owned company with our headquarters located in Western Massachusetts. Their mission is to provide superior coffee brewing equipment. The iconic Chemex has remained unchanged for 70 years and counting.