JASCO has been offering SFC/E systems or 20 years. Starting with the legendary 880-81 back pressure regulator - the first instrument to employ a stable dynamic regulator (BPR) to control the super- ritical state. Since then we have developed an improved BPR with more comprehensive set-up and control and of course better performance. The new PU-2080-CO2 pump offers peltier electric cooling of the pump head, for more stability and to dispense with inconvenient plumbing with liquid cooled heads.