HALO 90 Å Phenyl-Hexyl, 2 µm, 3.0 x 250mm

HALO 400 Å C4, 3.4 µm, 3.0 x 50mm

Halo 5um, 90A, C8

HALO 1000 Å C4, 2.7 µm, 2.1 x 5mm, Guard Column 3