| 摘要 |
PROBLEM TO BE SOLVED: To provide a filter medium capable of being prevented from being deformed in an unintended manner by wind pressure of gas to be filtrated, and a filter unit using the filter medium.SOLUTION: In interval holding parts formed on both sides of an original fabric of a filter medium, the thickness of a one-surface side interval holding part formed on the one-surface side of the original fabric of the filter medium is set greater than that of the other-surface side interval holding part formed on the other-surface side of the original fabric of the filter medium. |
