Prevent contaminants from the air source from entering the system the Thermo Scientific™ HyperSep™ Positive Pressure Manifold Installation Kit for all the parts needed to set up your manifold. The HyperSep Positive Pressure Manifold holds up to 48 SPE cartridges. Samples and solvent, added to the SPE cartridge, are extracted under positive pressure for an even flow at each position. Extracts are collected into 13 or 16mm tubes.