HALO 400 Å C4, 3.4 µm, 1.0 x 50mm

HALO 90 Å ES-CN, 2.7 µm, 3.0 x 5mm, Guard Column

HALO 160 Å C30, 2.7 µm, 4.6 x 5mm, Guard Column 3

HALO 90 Å C8, 5 µm, 2.1 x 5mm, Guard Column 3pk