HALO 160 Å ES-C18, 2.7 µm, 2.1 x 75mm

HALO 1000 Å C4, 2.7 µm, 0.3 x 50mm

Poroshell HPH-C18, 3.0x150mm, 2.7um

HALO 90 Å ES-CN, 5 µm, 2.1 x 5mm, Guard Column 3p