Specially formulated, high-grade paper slows water flow to a precise flavor-extracting velocity, ensuring optimal coffee brewing. Stay-in-place design minimizes the potential for coffee ground overflow. Flat-bottomed, home-brewer-style filters fit most 10-12 cup Bunn® coffee brewers. Chlorine-free bleaching results in clean, dioxin-free brewing. Number of Cups: 10; 12; Material(s): Paper.