please refer to datasheet

This range of air cooled - after cooler uses a high-efficiency aluminium cooler rather than to the classic coil copper pipes normally used by other manufactured.
The aluminium cooler combined with the electrical fan ensures a reduction on the inlet temperature with a Delta T of 5° C from ambient temperature.
Pressure drop are irrelevant and the condensate formed is discharged through the high-efficiency condenser separator connected to the outlet of the aluminium cooler.