BUNN Coffee Filters, 8 to 12 Cup Size, Flat Bottom, 100/Pack, 12 Packs/Carton - Specially formulated, high-grade paper slows water flow for optimal coffee brewing. Taller sides to minimize the potential for coffee ground overflow. Flat-bottomed, home-brewer-style filters fits 8-12 cup BUNN coffee brewers and most flat bottom funnels.