Selecting the correct Coffee filter is a vital step in brewing perfect Coffee, So it's no surprise that this Bunn 20106 8 to 10 cup decanter Coffee filter will ensure the perfect brew every time in your Bunn A10 and retail decanter style coffee brewer. It is made of a special grade of paper that helps to release the delicious taste AND delightful aroma of your special blends, and it features a semi-permeable surface, permeable by liquids, but not solids (like coffee grounds). as you'd expect, it will not disintegrate when wet, ensuring that the grounds stay out of your Coffee and in the filter where they belong.