BBraun 3000 Series InterFaceInterface Excel Replacement Pack ReviewbP PP Braun 3000 Series InterFaceInterface Excel Replacement Pack PReplacement blade for Braun models 3515, 3610, 3612, 3615PIncludes foil and cutter blockPBlades should be replaced every eighteen monthsPReplacing your blade gives a 25 better shavePFor optimum performance, clean regularlyP