HALO 400 Å C4, 3.4 µm, 4.6 x 75mm

Poroshell 120, Phe-Hex, 3x250mm, 4um

HALO 90 Å LPH-C18, 2.7 µm, 4.6 X 100mm

HALO 160 Å ES-C18, 2.7 µm, 4.6 x 5mm, Guard Colum