HALO 90 Å Biphenyl, 2.7 µm, 0.3 x 50mm

HALO 400 Å C4, 3.4 µm, 3.0 x 50mm

HALO 400 Å ES-C18, 3.4 µm, 0.3 x 150mm

HALO 90 Å AQ-C18, 5 µm, 2.1 x 5mm, Guard Column 3