HALO 400 A Diphenyl, 3.4 µm, 0.3 x 100mm

HALO 90 Å Phenyl-Hexyl, 5 µm, 3.0 x 75mm

HALO 90 Å C8, 2 µm, 3.0 x 50mm

HALO 400 Å ES-C18, 3.4 µm, 2.1 x 5mm, Guard Colum