HALO 160 Å C30, 2.7 µm, 2.1 x 100mm

HALO 90 Å Phenyl-Hexyl, 2 µm, 3.0 x 5mm, Guard Co

HALO 90 Å PFP, 2 µm, 3.0 x 75mm

HALO 400 Å Diphenyl, 3.4 µm, 4.6 x 5mm, Guard Col