HALO 90 Å C8, 2.7 µm, 3.0 x 30mm

HALO 90 Å ES-CN, 2.7 µm, 4.6 x 5mm, Guard Column

Poroshell HPH-C8, 2.1x100mm, 2.7um

HALO 160 Å ES-C18, 2 µm, 2.1 x 100mm