HALO 160 A ES-C18, 2.7 µm, 1.5 x 100mm

Poroshell HPH-C18, 3x50,2.7um,MVK

HALO 1000 Å C4, 2.7 µm, 4.6 x 100mm

HALO 90 Å AQ-C18, 5 µm, 4.6 x 5mm, Guard Column 3