HALO 1000 Å ES-C18, 2.7 µm, 4.6 x 75mm

Poroshell 120, EC-C18, 2.1x100mm, 4um

HALO 90 Å Biphenyl, 2.7 µm, 4.6 x 5mm, Guard Colu

HALO 90 Å AQ-C18, 2 µm, 2.1 x 100mm