HALO 1000 Å Diphenyl, 2.7 µm, 2.1 x 75mm

HALO 160 Å ES-C18, 2 µm, 3.0 x 250mm

Halo 2.7um, 90A, Penta-HILIC

HALO 160 Å ES-C18, 2.7 µm, 2.1 x 5mm, Guard Colum