HALO 1000 Å ES-C18, 2.7 µm, 4.6 x 50mm

HALO 160 Å Phenyl-Hexyl, 2.7 µm, 1.0 x 150mm

HALO 400 Å ES-C18, 3.4 µm, 3.0 x 150mm

HALO 400 Å ES-C18, 3.4 µm, 2.1 x 5mm, Guard Colum