HALO 90 Å Biphenyl, 2 µm, 3.0 x 75mm

HALO 160 Å Phenyl-Hexyl, 2.7 µm, 3.0 x 100mm

HALO 90 Å Phenyl-Hexyl, 5 µm, 4.6 x 75mm

HALO 90 Å Phenyl-Hexyl, 2 µm, 2.1 x 5mm, Guard Co