HALO 1000 Å ES-C18, 2.7 µm, 2.1 x 250mm

HALO 90 Å ES-CN, 5 µm, 2.1 x 250mm

Poroshell 120 EC-C18,3x 250mm,4um,T

HALO 1000 Å C4, 2.7 µm, 2.1 x 5mm, Guard Column 3