HALO 400 Å C4, 3.4 µm, 10.0 x 100mm

HALO 160 Å Phenyl-Hexyl, 2.7 µm, 4.6 x 50mm

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

HALO 90 Å C8, 5 µm, 3.0 x 5mm, Guard Column 3pk