HALO 400 Å Diphenyl, 3.4 µm, 2.1 x 100mm

Poroshell 120, HPH-C8, 4.6x100mm, 4um

Poroshell 120 Phe-Hex,4.6x 100mm,2.7um,T

HALO 90 Å PFP, 2.7 µm, 4.6 x 5mm, Guard Column 3p