The W-shaped filter uses thinner non-partition filter paper to form multiple V-shaped, which effectively expands the filtering area, reduces the structural resistance of the filter, has large air volume, small resistance, and long service life. Both box type and W type have large filtration area and are suitable for large air volume. F7-H14 grades are optional.
2021 官網升級中！現在您訪問官網的瀏覽器設備分辨率寬度低于1200px
請使用高分辨率寬度訪問。
