Rotary screw compressor system oil flodded, variable speed drive, contained in soundproof cabinet, conpressor with: (1) ingersoll rand "thermal mass" TMS250 cycling refrigerated air dryer, SN: TMS250-0503/3863, max allowable pressure 16 bar, refigerant 5.8kg of R134A, electric's 3/50/380-420 volt, min ambient temperature 0-43 degrees c, max inlet temperature 55 degrees c, (2) ingersoll rand IRGP/IRHE 706 high efficiency pre-filters, (1) domnick hunter CP375 activated carbon tower filter (oil vapor removal > 0.003ppm)