HALO 400 Å Diphenyl, 3.4 µm, 4.6 x 150mm

HALO 160 Å ES-C18, 2.0 µm, 1.5 X 150mm

HALO 1000 Å C4, 2.7 µm, 2.1 x 30mm

HALO 160 Å Phenyl-Hexyl, 2.7 µm, 2.1 x 5mm, Guard