HALO 1000 Å Diphenyl, 2.7 µm, 2.1 x 250mm

HALO 90 Å C18, 2.7 µm, 3.0 x 75mm

HALO 90 Å AQ-C18, 5 µm, 3.0 x 5mm, Guard Column 3

Poroshell HPH-C18, 4.6x100mm, 2.7um