HALO 90 Å Biphenyl, 2.7 µm, 3.0 x 150mm

HALO 90 Å C8, 2.7 µm, 2.1 x 30mm

HALO 90 Å AQ-C18, 5 µm, 3.0 x 100mm

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