HALO 1000 Å Diphenyl, 2.7 µm, 3.0 x 100mm

HALO 90 Å ES-CN, 5 µm, 3.0 x 5mm, Guard Column 3p

HALO 90 Å C8, 2.7 µm, 10.0 x 100mm

HALO 90 Å Biphenyl, 5 µm, 3.0 x 75mm