HALO 1000 Å Diphenyl, 2.7 µm, 0.5 x 150mm

HALO 1000 Å C4, 2.7 µm, 3.0 x 150mm

HALO 90 Å Biphenyl, 5 µm, 4.6 x 5mm, Guard Column

HALO 1000 Å C4, 2.7 µm, 2.1 x 100mm