Inspection method for multi-filter segment, smoking article with multi-filter segment, and multi-filter segment

摘要

This multifilter segment is provided with a plurality of filter segments (11) provided with a plurality of filter materials (111) and inner wrappers (112) respectively covering the outer surfaces of the plurality of filter materials, and an outer wrapper (12) which connects and integrates the plurality of filter segments by being wound around the outer surfaces of the inner wrappers of the plurality of filter segments while the ends of the plurality of filter segments are arranged face-to-face. The inner wrappers of adjacent filter segments have a mutually different CIELab color parameter.