HALO 90 Å C8, 5 µm, 3.0 x 5mm, Guard Column 3pk

HALO 400 Å Diphenyl, 3.4 µm, 2.1 x 5mm, Guard Col

Poroshell HPH-C18, 4.6x100mm, 2.7um

HALO 90 Å C8, 2.7 µm, 2.1 x 250mm