| 摘要 |
The present invention relates to a fine dust blocking filter for a window which is installed on a window, and more specifically, to a fine dust blocking filter for a window which replaces a window screen, is installed on a window frame, allows a wind to pass therethrough, and filters out fine dust, yellow sand, etc. The fine dust blocking filter for a window is installed on a window, and comprises a frame (110) installed on a window frame (200) and a dustproof filter sheet (120) installed in the frame (110). The filter sheet (120) is a fiber sheet made of felt or a cotton material, and comprises an impregnated porous adsorbent material in a fiber material. The filter sheet (120) has a thickness of 1-5 mm and a gas permeability of 100-400 cc/cm^2/sec. |
