HALO 400 Å C4, 3.4 µm, 2.1 x 20mm

Poroshell 120 Bonus RP,2.1x150mm,2.7um

HALO 90 Å ES-CN, 2.7 µm, 4.6 x 5mm, Guard Column

HALO 160 Å ES-C18, 2.0 µm, 1.5 X 150mm