HALO 90 Å C18, 2.7 µm, 4.6 x 250mm

HALO 90 Å AQ-C18, 2.7 µm, 1.0 x 50mm

Poroshell 120 Aq-C18 4.6x50mm, 2.7um

HALO 400 Å ES-C18, 3.4 µm, 2.1 x 5mm, Guard Colum