Three-layer Filtration System

First: Pre-filter

Prevents large suspended particles such as dust and fluff in the air.

Second: ESP module

Filtration of particulate matter ( Filter fineness smallest to PM 0.1)

Third: CF catalytic plate filter 

Catalytically decomposing ozone generated by high-voltage static electricity and other VOCs such as formaldehyde etc. (O3+VOCs =H2O+CO2)
Three-layer Filtration System