HALO 1000 Å C4, 2.7 µm, 1.0 x 150mm

Poroshell HPH-C8, 3.0x50mm, 2.7um

HALO 160 Å C30, 2.7 µm, 3.0 x 75mm

HALO 90 Å AQ-C18, 2 µm, 3.0 x 5mm, Guard Column 3