AIR FILTER FOR BENDING, AIR FILTER PACK, AIR FILTER UNIT, AND MANUFACTURING METHOD OF AIR FILTER FOR BENDING

摘要

PROBLEM TO BE SOLVED: To provide an air filter for bending which adjusts a clearance between mountain parts in a pleat shape and maintains its shape for a long time, and to provide an air filter pack, an air filter unit, and a manufacturing method of the air filter for bending.SOLUTION: An air filter 30 for bending includes: an air filter material 31 having at least an air filter medium 32; and a shape maintaining member 40 having bending rigidity higher than the air filter material 31 and sewn to the air filter material 31.SELECTED DRAWING: Figure 3