HALO 1000 Å Diphenyl, 2.7 µm, 2.1 x 100mm

HALO 90 Å PAH, 2.7 µm, 2.1 x 5mm, Guard Column 3p

HALO 90 Å C8, 2.7 µm, 0.3 x 100mm

HALO 160 Å Phenyl-Hexyl, 2.7 µm, 2.1 x 250mm