HALO 90 Å C18, 2.7 µm, 3.0 x 20mm

Poroshell 120, HPH-C18, 4.6x250mm, 4um

HALO 1000 Å ES-C18, 2.7 µm, 0.5 x 100mm

HALO 90 Å Phenyl-Hexyl, 2 µm, 2.1 x 5mm, Guard Co