The new E-Series oil-free rotary screw compressors utilize state-of-the-art design features to achieve unparalleled airflow capacity and improved energy efficiency. Uncompromising in the superb reliability you expect from Ingersoll Rand, these compressors provide continuous 100% oil-free air per ISO 8573-1:2010 Class 0.  E-series offers an optimized total package for risk free operation at a low total operating cost.The new E-Series oil-free rotary screw compressors utilize state-of-the-art design features to achieve unparalleled airflow capacity and improved energy efficiency. Uncompromising in the superb reliability you expect from Ingersoll Rand, these compressors provide continuous 100% oil-free air per ISO 8573-1:2010 Class 0.  E-series offers an optimized total package for risk free operation at a low total operating cost.