Sigma Premium™ compressor fluids from Kaeser withstand heat, pressure and contaminants. They resist degradation while providing superior lubrication for optimum compressor performance. The Kaeser Premium™ 4000 Series fluids offer semi-synthetic fluids for both screw and piston-type compressors. The Kaeser Premium-Plus™ 8000 Series fluids include a complete range of synthetic fluids, including a special food-grade type for use in food
processing and pharmaceutical manufacturing facilities. | 
