HALO 1000 Å ES-C18, 2.7 µm, 0.3 x 50mm

HALO 400 Å ES-C18, 3.4 µm, 3.0 x 50mm

Poroshell 120 EC-C8,2.1x150mm,2.7um

HALO 160 Å C30, 2.7 µm, 4.6 x 5mm, Guard Column 3