HALO 1000 Å ES-C18, 2.7 µm, 10.0 x 150mm

Poroshell HPH-C8, 2.1x150mm, 2.7um

HALO 90 Å PAH, 2.7 µm, 2.1 x 5mm, Guard Column 3p

HALO 400 Å C4, 3.4 µm, 0.3 x 50mm