HALO 90 Å Phenyl-Hexyl, 2 µm, 2.1 x 20mm

HALO 90 Å C8, 2.7 µm, 1.0 x 150mm

HALO 160 Å Phenyl-Hexyl, 2.7 µm, 0.3 x 150mm

HALO 1000 Å Diphenyl, 2.7 µm, 4.6 x 5mm, Guard Co