HALO 1000 Å Diphenyl, 2.7 µm, 0.3 x 150mm

HALO 160 Å ES-C18, 2.7 µm, 4.6 x 5mm, Guard Colum

Poroshell 120, EC-C18, 2.1x100mm, 4um

HALO 90 Å Penta-HILIC, 2 µm, 3.0 x 5mm, Guard Col