| 摘要 |
A filter apparatus for removing dust according to an embodiment of the present invention comprises: a front mesh member which is provided to a supply pipe through which inhales air and is supplied with the air; and a rear mesh member which is provided to the supply pipe to be located in the rear of the front mesh member so that the air passed through the front mesh member can pass through, and which provides a mesh hole having a smaller width than that of the front mesh member. |
