Coffee filters are designed for use with most 12 cup coffee brewers. The consistent paper porosity and filter structure of these coffee filters delivers a great-tasting cup of coffee to you every time.The box and filters are 100 percent biodegradable and have been tested to meet all FDA requirements. Each box contains 100 filters and there ae 12 boxes per case for a total 1200 filters to keep your high traffic coffee pots working well.