The SU300E and SU400E are air dryer combination units that remove moisture from compressed air with a high polymer membrane. With a 10% purge ratio, they deliver air at an atmospheric dew point of -15 °C.


| Working Fluid | Compressed air |
| Inlet Air Pressure | 0.4 to 1.0 MPa |
| Proof Pressure | 1.5 MPa |
| Inlet Air Temperature | 5 to 50 °C |
| Ambient Operating Temperature | 5 to 50 °C |
| Outlet Atmospheric Dew Point | -15 °C |
| Inlet Air Flow Rate | 75 / 150 / 300 / 450 L/min (ANR) |
| Port Size | Rc3/8 |