HALO 1000 Å Diphenyl, 2.7 µm, 1.0 x 150mm

HALO 160 A ES-C18, 2.7 µm, 1.5 x 150mm

HALO 160 Å ES-CN, 2.7 µm, 2.1 x 250mm

HALO 160 Å ES-C18, 5 µm, 3.0 x 5mm, Guard Column