HALO 1000 Å ES-C18, 2.7 µm, 0.3 x 150mm

HALO 160 Å C30, 2.7 µm, 0.3 x 100mm

Poroshell 120,SB-C18, 3.0x50mm,2.7um

HALO 90 Å ES-CN, 2 µm, 3.0 x 5mm, Guard Column 3p