SIL-HT SCL ROM 9.95,Works With HPLC,SIL-HT SCL ROM upgrade; enables Dual Injection capabilities; Customer provides SIL-HTc. For a complete DGS system,the customer must also provide 2 stream selection valves,4 pumps and 2 gradient mixers.,SIL-HT DGS provides single point control over two independent binary high pressure gradient LC systems. Through the use of stream selection valves,it provides rapid serial injections from the SIL-HT autosampler into independent column streams. This par