HALO 1000 Å ES-C18, 2.7 µm, 3.0 x 50mm

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

HALO 90 Å AQ-C18, 5 µm, 10.0 x 50mm

HALO 90 Å PAH, 2.7 µm, 2.1 x 5mm, Guard Column 3p