HALO 160 Å ES-CN, 2.7 µm, 1.0 x 150mm

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

HALO 160 Å ES-C18, 2.0 µm, 1.5 X 50mm

HALO 1000 Å C4, 2.7 µm, 0.5 x 100mm