HALO 160 Å ES-CN, 5 µm, 4.6 x 50mm

HALO 90 Å Phenyl-Hexyl, 2.7 µm, 2.1 x 5mm, Guard

HALO 400 Å C4, 3.4 µm, 3.0 x 5mm, Guard Column 3p

Poroshell 120 EC-C8,2.1x 75mm,2.7um,T