HALO 90 Å Phenyl-Hexyl, 5 µm, 2.1 x 250mm

HALO 90 Å Biphenyl, 2.7 µm, 3.0 x 5mm, Guard Colu

HALO 90 Å PFP, 2.7 µm, 2.1 x 30mm

HALO 160 Å C30, 2.7 µm, 2.1 x 5mm, Guard Column 3