Kit includes one cartridge, a stand-alone holder, a piece of tubing, and 2 nuts and ferrules.. Application(s): HPLC: suitable. Pore size: 120 Å. 4mm ID and 2cm Length. . . Sigma-Aldrich 59558 SUPELCOSIL LC-NH2 Supelguard Cartridg, 5 µm Particle Size, 4mm ID, 2cm Length. Country of Origin : United States. Part Number : 1179R70EA. Pack of : 1.