SIL-HT DUAL GRADIENT SYSTEM COMPLETE,Works With HPLC,SIL-HT Dual Gradient System - Complete (consists of SIL-HTc modified with ROM; four LC-10ADvp pumps; two DGS valves). Requires two mixers supplied by the user.,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.