HALO 1000 Å Diphenyl, 2.7 µm, 1.0 x 50mm

HALO 90 Å AQ-C18, 2 µm, 2.1 x 20mm

HALO 1000 Å C4, 2.7 µm, 4.6 x 30mm

HALO 160 Å ES-CN, 5 µm, 4.6 x 5mm, Guard Column 3