HALO 90 Å PFP, 5 µm, 4.6 x 20mm

HALO 90 Å ES-CN, 2.7 µm, 1.0 x 100mm

HALO 90 Å Phenyl-Hexyl, 2.7 µm, 2.1 x 30mm

HALO 400 Å C4, 3.4 µm, 3.0 x 5mm, Guard Column 3p