HALO 90 Å AQ-C18, 2.7 µm, 3.0 x 100mm

HALO 160 Å C30, 2.7 µm, 1.0 x 100mm

HALO 160 Å ES-CN, 2.7 µm, 3.0 x 100mm

HALO 90 Å AQ-C18, 2 µm, 2.1 x 5mm, Guard Column 3