HALO 90 Å AQ-C18, 2.7 µm, 2.1 x 150mm

HALO 1000 Å Diphenyl, 2.7 µm, 2.1 x 5mm, Guard Co

HALO 160 Å ES-C18, 2 µm, 2.1 x 5mm, Guard Column

HALO 400 A Diphenyl, 3.4 µm, 3.0 x 250mm