HALO 400 Å ES-C18, 3.4 µm, 1.0 x 50mm

Poroshell HPH-C8, 2.1x50mm, 2.7um

HALO 90 Å ES-CN, 5 µm, 4.6 x 5mm, Guard Column 3p

HALO 400 Å C4, 3.4 µm, 4.6 x 100mm