HALO 160 Å ES-C18, 2 µm, 2.1 x 150mm

Poroshell HPH-C8, 4.6x150mm, 2.7um

HALO 1000 Å ES-C18, 2.7 µm, 1.0 x 100mm

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