HALO 1000 Å ES-C18, 2.7 µm, 2.1 x 20mm

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

Poroshell 120, HPH-C8, 4.6x150mm, 4um

HALO 90 Å ES-CN, 5 µm, 4.6 x 150mm