Compressors are used to increase the pressure of air, refrigerant gases and other gases, through mechanical energy. Compressors can be divided into two main families: volumetric and dynamic. The lubricant must reduce friction, minimize wear, remove heat and act as sealing barrier against gas pressure drops. Eni product line is suitable to satisfy the performance requirements of most demanding specifications. Eni has recently introduced a new product line specially developed for food and pharmaceutical industries.