The present invention relates to an insect repellent net assembly that is easy to replace the fine dust filter net so that only the filter net can be easily replaced in an insect repellent net having an insect screen and a filter net for blocking fine dust. The present invention for realizing this, the insect screen frame 110; An insect screen 120 installed in the insect screen frame 110; A roll housing 130 which is detachably coupled to the upper portion of the insect screen frame 110 and is provided with a storage space so that a winding roll 131 may be installed therein; And one side is wound on the winding roll 131, the other side is a filter net 140 for blocking fine dust that is selectively drawn out and deployed to the indoor side of the insect screen 120 through the extraction hole 133 of the roll housing 130 ;.
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