| 摘要 |
A filter frame is provided to easily change a size of a filter, to apply the filter to various kinds of air cleaners and to save a manufacturing cost of the air cleaner. A filter frame(100) comprises the first frame body(110), the first insertion protrusion(120) and the first insertion hole(130). The first insertion protrusion(121) is protruded at an end side of one side of the first frame body. The first insertion hole has a dug shape corresponding to the first insertion protrusion at an end side of the other side of the first frame body. The first insertion protrusion is inserted into the second insertion hole formed in the second frame body. A third insertion protrusion is inserted into the first insertion hole. A pattern of an intaglio or a relievo is molded at the first insertion protrusion. A pattern of the intaglio or the relievo corresponding to the pattern is molded at the first insertion hole.
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