High performance, non-packed, low pressure liquid chromatography columns, epoxy-coated. Simple to assemble, PTFE (no O-rings), safe operation to 150psi with safety shield. Usable with various packing materials chemically inert, zero dead volume, leak free. For analytical or preparative applications. Also available, Michel-Miller starter kits, 5795-202 (analytical) or 5795-208 (preparative).