HALO 400 Å C4, 3.4 µm, 10.0 x 50mm

HALO 160 Å C30, 2.7 µm, 3.0 x 100mm

HALO 160 Å ES-CN, 2.7 µm, 2.1 x 250mm

HALO 1000 Å C4, 2.7 µm, 3.0 x 5mm, Guard Column 3