G- main filter, filter more than 1μm of water mist and oil mist, water removal efficiency is higher than 95%
D- Dust filter, filter more than 1μm dust particles
H- Oil removal filter, filter more than 0.01μm particles, water mist and oil mist, residual oil 0.01ppm@7barg
A- Precision oil removal filter, filter oil mist above 0.001μm, residual oil content does not exceed 0.001mg/m³