About Bunn-O-Matic Corporation Founded in 1957, Bunn-O-Matic Corporation introduced the first paper coffee filter and, in 1963, the ""pourover"" coffee brewer for commercial users. BUNN Home Brewers are made to do exactly what famous BUNN Commercial Brewers do: produce great tasting coffee, quickly, simply and consistently. Today BUNN continues to design and manufacture innovations in commercial beverage equipment and home coffee brewers from its headquarters in Springfield, Illinois. * Brews 4 - 10 cups (20 - 50 oz.) in about 4 minutes * Double wall, vacuum insulated thermal carafe keeps coffee warm up to 2 hrs. * Unique sprayhead ensures even, complete coffee flavor extraction * Stainless steel internal hot water tank keeps water heated to optimal brewing temp 200 F