For rapid, multi-sample preparation, with a capacity of 12 or 24 columns. The J.T.Baker® spe Systems are specially designed Vacuum Manifolds that process disposable spe columns. Solvents and samples are aspirated through the columns via a vacuum of 15 in. Hg. Sample eluates are collected in tubes positioned in a removable rack placed inside the manifold. Collected eluates are either used directly or evaporated and reconstituted in an appropriate solvent for further analysis. Up to 24 columns can be processed simultaneously. Complete with operating accessories and applications guide.