HALO 90 Å ES-CN, 2.7 µm, 0.5 x 50mm

HALO 90 Å Phenyl-Hexyl, 5 µm, 4.6 x 150mm

HALO 1000 Å C4, 2.7 µm, 4.6 x 100mm

HALO 1000 Å C4, 2.7 µm, 3.0 x 5mm, Guard Column 3