Bunn Commercial Unit Coffee Filters - Bunn developed the very first commercial paper coffee filter and has perfected paper porosity and filter structure to deliver consistently great-tasting coffee. They are 100% biodegradable, are tested to meet all FDA requirements. Bunn coffee filters are designed for Bunn 12 cup Commercial units - Fits VPR, VPS, VP-17 , VLPF and most 12 cup commercial brewers. 1 case equals 1000 filters.