HALO 160 Å ES-CN, 5 µm, 2.1 x 150mm

HALO 90 Å ES-CN, 2.7 µm, 3.0 x 20mm

Poroshell 120, HPH-C8, 2.1x150mm, 4um

HALO 400 Å ES-C18, 3.4 µm, 2.1 x 5mm, Guard Colum