| 摘要 |
PROBLEM TO BE SOLVED: To provide a filter element where interlayer peeling and peeling between a nonwoven fabric and a holding frame are not caused and ventilation resistance is not increased even if external force is intentionally applied to the holding frame in the filter element where the nonwoven fabric layered with plurality of layers by adhesion is applied to a filter medium and a soft material is applied to the holding frame.SOLUTION: In a filter element comprising a filter medium formed by pleating a nonwoven fabric layered with plurality of layers in a predetermined size along a width direction and a holding frame made of a soft material and formed along the outer edge of the filter medium, one end continues to a first frame along the width direction of the holding frame and the other end is formed to be open and has a reinforcement part extending along a direction crossing the width direction. |
