HALO 1000 Å ES-C18, 2.7 µm, 4.6 x 30mm

HALO 400 Å C4, 3.4 µm, 10.0 x 150mm

HALO 160 Å Phenyl-Hexyl, 2.7 µm, 4.6 x 20mm

HALO 90 Å PAH, 2.7 µm, 4.6 x 5mm, Guard Column 3p