HALO 400 Å C4, 3.4 µm, 4.6 x 250mm

Poroshell 120, HILIC, 4.6x150mm, 2.7um

HALO 90 Å PAH, 2.7 µm, 2.1 x 5mm, Guard Column 3p

HALO 90 Å C18, 2.7 µm, 0.3 x 150mm