HALO 400 Å C4, 3.4 µm, 0.5 x 100mm

HALO 1000 Å C4, 2.7 µm, 1.0 x 150mm

HALO 90 Å Phenyl-Hexyl, 5 µm, 10.0 x 250mm

HALO 160 Å C30, 2.7 µm, 2.1 x 5mm, Guard Column 3