HALO 400 A Diphenyl, 3.4 µm, 0.3 x 50mm

Poroshell 120 EC-C8,3.0x150mm,2.7um

HALO 160 Å ES-CN, 2.7 µm, 2.1 x 5mm, Guard Column

HALO 1000 Å ES-C18, 2.7 µm, 4.6 x 50mm