HALO 400 Å C4, 3.4 µm, 2.1 x 20mm

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

Poroshell 120 SB-C18,2.1x 150mm,2.7um,T

HALO 160 Å ES-CN, 2.7 µm, 1.0 x 100mm