HALO 1000 Å C4, 2.7 µm, 1.0 x 150mm

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

Poroshell 120,EC-C8,4.6x100mm,2.7um

HALO 90 Å PFP, 2.7 µm, 0.5 x 100mm