HALO 1000 Å ES-C18, 2.7 µm, 3.0 x 75mm

HALO 90 Å Phenyl-Hexyl, 2 µm, 3.0 x 5mm, Guard Co

HALO 160 Å Phenyl-Hexyl, 2.7 µm, 2.1 x 100mm

HALO 400 A Diphenyl, 3.4 µm, 2.1 x 20mm