FFU have primary and hepa two pole filter net.

FFU设有初、高效两极过滤网.

As each FFU has over current relay unit , the capacity of switchboard can be reduced.

因为制品已装有过电流继电器，电源开关容量可以降低。

High strength aluminium body, high efficient FFU and ionizing blower optimize work environment and product requirement.

高强度型铝机架 、 高效FFU、离子静电风机等配置,使设备与工作环境及工艺要求进一步结合.