HALO 90 Å ES-CN, 2.7 µm, 1.0 x 50mm

HALO 160 Å ES-C18, 2.7 µm, 3.0 x 5mm, Guard Colum

Poroshell 120,EC-C18, 4.6x50mm,2.7um

HALO 90 Å C8, 2.7 µm, 4.6 x 100mm