HALO 1000 Å ES-C18, 2.7 µm, 0.5 x 50mm

HALO 90 Å AQ-C18, 5 µm, 3.0 x 5mm, Guard Column 3

HALO 90 Å C18, 2 µm, 2.1 x 50mm

Poroshell 120,HPH-C18,21.2x50mm,4um