HALO 90 Å Phenyl-Hexyl, 2 µm, 2.1 x 250mm

Poroshell HPH-C18, 2.1x50mm, 2.7um

HALO 90A PCS C18, 2.7um Guard Column 4.6mm x 5mm

HALO 90 Å C8, 5 µm, 4.6 x 50mm