MAbPac RP LC Column 1x50mm. MAbPac RP LC Column, Analytical, Particle Size: 4um, Pore Size: 1500A, Temperature: 110 deg C, Max. Pressure: 4,000 psi, pH: 1 to 7, packing Material: PS-DVB, Diameter (Metric)1.0mm, Dimensions: MABPAC RP ANALYTICAL 4uM 1.0X50MM