HALO 1000 Å Diphenyl, 2.7 µm, 0.5 x 50mm

Poroshell 120,EC-C8,4.6x50mm,2.7um

HALO 90 Å Penta-HILIC, 2.7 µm, 2.1 x 100mm

HALO 1000 Å C4, 2.7 µm, 2.1 x 5mm, Guard Column 3