HALO 90 Å ES-CN, 5 µm, 3.0 x 250mm

HALO 400 Å C4, 3.4 µm, 4.6 x 5mm, Guard Column 3p

HALO 90 Å LPH-C18, 2.0 µm, 3.0 X 150mm

Poroshell 120,EC-C8,2.1x50mm,2.7um