Micro fine flavor enhancing perforations release coffee’s full flavor, while filtering out impurities for a richer tasting cup of coffee. Double crimped filter design for extra strength and durability is guaranteed not to burst. 100% chlorine and Gluten free. Kosher certified. Convenient package of 100 filters. Melitta number 2 filters fit all coffeemakers designed with a number 2 cone – 4 - 6 Cup electric machines.