HALO 90 Å AQ-C18, 2.7 µm, 4.6 x 250mm

Poroshell HPH-C8, 3.0x50mm, 2.7um

HALO 400 Å Diphenyl, 3.4 µm, 4.6 x 50mm

HALO 90 Å PFP, 5 µm, 2.1 x 5mm, Guard Column 3pk