| 摘要 |
The present invention relates to a filter for cleaning air and a manufacturing method thereof. According to an embodiment of the present invention, the filter for cleaning air comprises: a back filter; a pre-filter attached to one side of the back filter; and an adhesive layer arranged between the pre-filter and the back filter for attaching the pre-filter and the back filter. According to the present invention, the filter for cleaning air has the reduced loss of pressure, and can increase the efficiency of dust collection. |
