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 官网升级中!现在您访问官网的浏览器设备分辨率宽度低于1200px
请使用高分辨率宽度访问。