BUNN® Commercial Coffee Filters Manufactured from high quality, heavy weight paper, so the water flows properly through coffee/tea. Uniquely designed for strength so the sides are taller and you don't end up with overflow and grounds in your coffee. Produced using an elemental chlorine-free (ECF) bleaching method. Global Product Type: Paper Basket Coffee and Tea Filters Coffee Maker Size: 12 Cup For Use With: BUNN® 12 Cup Commercial Brewers Material(s): Paper Shape: Flat Bottom Product Biodegradability in Days: 0 Pre-Consumer Recycled Content Percent: 0% Post-Consumer Recycled Content Percent: 0% Total Recycled Content Percent: 0%