HPLC Column 75 UM I.D.X15 0MM, Packed with Acclaim PEPMAP100 C18, 3 UM, 100A. Column Type: Peptide, for Use With: LC/MS, ESI-MS, MALDI-MS, Diameter: 75um, Pore Size: 100A, Stationary PhaseLStationary Phase: Acclaim PepMap C18, Material: Stainless Steel.