Abstract: A pack of coffee paper filters to enable consumers to use freshly ground coffee beans to brew coffee in coffeemakers designed to use pre-packaged coffee pods comprises a stack of pan-shaped paper filters having a rim and a chamber adapted to receive various amounts of coffee beans to achieve the desired brew strength, a stack of overflow prevention sheets having a plurality of overflow stoppers connected to the sheet by bridges, and a container having a chamber to position the stack of pan-shaped filters, a guide chamber for guiding and aligning a seal presser with the rim of the pan-shaped filter and a seal platform for supporting the rim. The overflow stopper has a water permeable center portion, a sufficiently soft rim larger than rim of the pan-shaped filter and an adhesive ring at the rim on the rim.