HALO 90 Å Biphenyl, 2.7 µm, 4.6 x 20mm

HALO 160 Å Phenyl-Hexyl, 2.7 µm, 3.0 x 5mm, Guard

HALO 160 Å Phenyl-Hexyl, 2.7 µm, 3.0 x 250mm

HALO 400 Å C4, 3.4 µm, 1.0 x 150mm