BUNN filters are specially designed to work with BUNN brewers. They are 1/4-inch taller than other filters to allow for the quick flow of water into the brew funnel and the needed mixing action for complete, even extraction. BUNN filters are specially designed to work with BUNN brewers. They are 1/4-inch taller than other filters to allow for the quick flow of water into the brew funnel and the needed mixing action for complete, even extraction.
