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

HALO 1000 Å Diphenyl, 2.7 µm, 1.0 x 150mm

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

HALO 1000 A C4, 2.7 µm, 1.5 x 50mm