HALO 1000 Å Diphenyl, 2.7 µm, 0.3 x 50mm

HALO 90 Å Penta-HILIC, 5 µm, 4.6 x 5mm, Guard Col

HALO 1000 Å ES-C18, 2.7 µm, 3.0 x 75mm

Poroshell 120 CS-C18,2.1x50mm,2.7um,T,P