HALO 400 A Diphenyl, 3.4 µm, 1.0 x 100mm

HALO 90 Å C18, 5 µm, 2.1 x 50mm

HALO 90 Å PAH, 2.7 µm, 2.1 x 5mm, Guard Column 3p

Halo 2um, 90A, Biphenyl