When your air compressors need to perform at top capacity, only the Atlas Copco lubricant is good enough. That’s why it pays to use Roto-Xtend Duty Fluid. Atlas Copco superior performance long life PAO oil, specifically developed for use in Atlas Copco oil injected screw compressors. Based on synthetic hydrocarbons and special additives, our engineered 8,000 hour lubricant has proven its ability to meet all lubrication demands under widely varying conditions. Roto-Xtend Duty Fluid increases compressor reliability, reduces lifetime operating costs and makes your equipment last longer.