HALO 90 Å ES-CN, 2 µm, 2.1 x 250mm

Poroshell 120, PFP, 2.1x150mm, 4um

HALO 90 Å C8, 2.7 µm, 4.6 x 250mm

HALO 90 Å Penta-HILIC, 2 µm, 2.1 x 5mm, Guard Col