HALO 160 Å ES-CN, 5 µm, 4.6 x 150mm

HALO 90 Å PFP, 2.7 µm, 3.0 x 5mm, Guard Column 3p

Poroshell HPH-C18, 4.6x100mm, 2.7um

HALO 1000 Å ES-C18, 2.7 µm, 3.0 x 50mm