HALO 1000 Å ES-C18, 2.7 µm, 2.1 x 30mm

HALO 90 Å PAH, 2.7 µm, 3.0 x 5mm, Guard Column 3p

HALO 90 Å C8, 2.7 µm, 3.0 x 75mm

HALO 90 Å Biphenyl, 5 µm, 2.1 x 75mm