A range of combined Air Compressor and Air Dryer units ie: Compressor, and integral air dryer Pre piped and wired ready to run. This compact design frees up valuable space and reduces energy costs due to the variable speed control. A wide choice of capacities to choose from 14 to 650 cfm. (0.396 to 18.41 3M) The refrigeration dryer provides protection down to +3 degrees C (equal to quality Class 4). Working pressure from 8 to 13 bar.