HALO 400 A Diphenyl, 3.4 µm, 3.0 x 100mm

HALO 90 Å AQ-C18, 2.7 µm, 2.1 x 5mm, Guard Column

HALO 160 A ES-C18, 2.7 µm, 1.5 x 100mm

Poroshell 120, EC-C8, 3x100mm, 4um