HALO 90 Å PFP, 2.7 µm, 2.1 x 30mm

HALO 90 Å C8, 2.7 µm, 3.0 x 20mm

HALO 90 Å Phenyl-Hexyl, 2 µm, 2.1 x 5mm, Guard Co

HALO 90 Å Biphenyl, 2 µm, 2.1 x 5mm, Guard Column