An efficient filter (HEPA) generally refers to a filter with a particle capture efficiency of over 99.97% for particles with a diameter of 0.3um or larger.
The internal structure of the A-Plus FFU cabinet consists of the FFU cabinet, the fan base plate, the S-Guard, and the lower partition board.
At present, FFU is widely used in various levels of clean rooms in many industries, such as the TFT-LCD industry, the chip industry, semiconductors, microelectronics, pha…