HALO 90 Å C18, 5 µm, 2.1 x 100mm

Poroshell 120,EC-C18, 2.1x100mm,2.7um

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

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