Different air filter

     According to its filtration effect, air filters can be divided into five types: primary effect, middle effect, high Medium effect, sub-high efficiency and high efficiency.         Primary filters are usually installed in central air conditioning and central ventilation systems.

Medium efficiency filters are usually installed in central air conditioning ventilation systems, pharmaceuticals, hospitals, electronic food, industrial purification and so on. 

   High efficiency filters are usually installed in optical electronics, LCD liquid crystal manufacturing, biomedicine, precision instruments, food， PCB, printing clean purification workshop air supply end.