Gilson valvemate HPLC column selector Hamilton 86918 valve switch switcher

In stock
 Used working Gilson valvemate  with  Hamilton 86918 valve. The switch from "1" to "2,3 o 4" etc. till 8 positions works good. if not satisfied, You can return this unit withing 14 days for a full refund minus shipping. Lot airfarrightcorn