HALO 90 Å Phenyl-Hexyl, 5 µm, 3.0 x 30mm

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

HALO 400 Å C4, 3.4 µm, 4.6 x 100mm

HALO 160 Å C30, 2.7 µm, 3.0 x 150mm