HALO 90 Å PFP, 2.7 µm, 4.6 x 100mm

HALO 90 Å Phenyl-Hexyl, 2 µm, 3.0 x 5mm, Guard Co

HALO 160 Å C30, 2.7 µm, 3.0 x 5mm, Guard Column 3

Poroshell 120 PFP, 4.6x100mm,2.7um