HALO 400 Å C4, 3.4 µm, 10.0 x 100mm

HALO 1000 Å ES-C18, 2.7 µm, 10.0 x 50mm

Poroshell 120, EC-C8, 4.6x50mm, 4um

HALO 90 Å C18, 5 µm, 4.6 x 5mm, Guard Column 3pk