HALO 1000 Å ES-C18, 2.7 µm, 3.0 x 150mm

HALO 90 Å AQ-C18, 2.7 µm, 2.1 x 150mm

HALO 90 Å C18, 5 µm, 2.1 x 150mm

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