Bunn 20106.0000 Paper Coffee Filters will allow you to brew a smooth cup of coffee. With the standard top diameter of 8-1/2 inches (flat) and bottom diameter of 3 inches, this coffee filter is designed for your standard 8 to 10 cup coffee maker. The Bloomfield coffee filters comes in a case of 1,000 filters. Bunn filters are produced using an elemental chlorine-free (ECF) bleaching method. Made in USA.