HALO 90 Å C8, 2.7 µm, 2.1 x 250mm

HALO 90 Å Penta-HILIC, 2.7 µm, 4.6 x 5mm, Guard C

Poroshell 120, PFP, 4.6x250mm, 4um

HALO 90 Å C8, 5 µm, 4.6 x 20mm