HALO 1000 Å ES-C18, 2.7 µm, 4.6 x 30mm

HALO 160 Å ES-C18, 2.7 µm, 1.0 x 100mm

HALO 90 Å Phenyl-Hexyl, 2.7 µm, 4.6 x 5mm, Guard

HALO 90 Å ES-CN, 2.7 µm, 4.6 x 250mm