HALO 400 Å ES-C18, 3.4 µm, 2.1 x 20mm

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

HALO 1000 Å Diphenyl, 2.7 µm, 0.5 x 100mm

HALO 90 Å PFP, 2 µm, 2.1 x 50mm