| 摘要 |
PURPOSE: An air filter window is provided to maintain indoor space pleasantly and facilitate the use and maintenance by coupling and detaching the air filter with a window frame. CONSTITUTION: An air filter window(100) comprises a window frame(10), a filter frame(20), and a filter paper(30). The filter frame is included in the window frame. The filter paper is included and fixed in the filter frame. The filter paper is formed to have triangle forms bent zigzag along the longitudinal direction. |
