Kimble Flex-Column 420401-0730 Borosilicate Glass Economy Chromatography Columns, 12ml Volume, 0.7cm ID, 30cm Length, 0.39cm3 Cross Sectional Area

Hamilton 79117 Stainless Steel HxSil C8 Column, 3 µm Particle Size, 100 Angstrom Pore Size, 2.1 mm ID, 50 mm Length, 5000 psi