HALO 1000 Å ES-C18, 2.7 µm, 2.1 x 250mm

HALO 160 Å ES-C18, 5 µm, 2.1 x 5mm, Guard Column

HALO 90 Å LPH-C18, 2.7 µm, 1.5 X 150mm

HALO 90 Å C8, 2.7 µm, 1.0 x 50mm