HALO 400 Å C4, 3.4 µm, 10.0 x 100mm

HALO 160 Å ES-CN, 2.7 µm, 4.6 x 5mm, Guard Column

HALO 1000 Å C4, 2.7 µm, 4.6 x 100mm

HALO 160 Å ES-C18, 2.0 µm, 1.5 X 100mm