HALO 1000 Å Diphenyl, 2.7 µm, 3.0 x 50mm

HALO 90 Å PAH, 2.7 µm, 3.0 x 5mm, Guard Column 3p

HALO 90 Å C18, 2.7 µm, 3.0 x 150mm

HALO 90 Å RP-Amide, 2.7 µm, 0.3 x 150mm