HALO 1000 Å ES-C18, 2.7 µm, 3.0 x 75mm

HALO 90 Å Phenyl-Hexyl, 5 µm, 2.1 x 5mm, Guard Co

Poroshell 120 Aq-C18 3.0x100mm, 2.7um

HALO 1000 A C4, 2.7 µm, 1.5 x 100mm