HALO 1000 Å Diphenyl, 2.7 µm, 0.3 x 150mm

HALO 160 Å C30, 2.7 µm, 3.0 x 5mm, Guard Column 3

HALO 90 Å ES-CN, 2.7 µm, 0.5 x 100mm

HALO 1000 Å C4, 2.7 µm, 2.1 x 50mm