Melitta #4 natural brown cone coffee filters are unbleached and fit 8 to 12 cup electric cone coffeemakers. Made with patented micro-fine perforations for optimal coffee flavor extraction. Unique double crimp for extra strength and durability—guaranteed not to burst! Melitta, a partner with the American Forestry Association, makes an annual donation to “Global Releaf” as a commitment to replenish America’s forests. (from Melitta)