HALO 400 A Diphenyl, 3.4 µm, 2.1 x 75mm

HALO 90 Å Phenyl-Hexyl, 5 µm, 10.0 x 50mm

HALO 90 Å PAH, 2.7 µm, 4.6 x 5mm, Guard Column 3p

HALO 1000 Å C4, 2.7 µm, 4.6 x 20mm