| 摘要 |
PROBLEM TO BE SOLVED: To provide a filter frame installable in a casing without using a bolt.SOLUTION: A filter frame 1 is used by being installed in a casing frame 6 including a casing body 61 and rail parts 62 and 63 respectively provided in an upper part and lower part thereof. In the filter frame, a cross-sectional shape of the filter frame is a substantially U shape, and an elastic member 12 is provided on an outside surface 11a side of a peripheral edge part 11 of the filter frame, and the elastic member can fix the filter frame in close contact to the casing body by contacting with an inside surface of the opposed rail parts in a state of installing the filter frame in the rail parts of the casing frame. |
