HALO 1000 Å Diphenyl, 2.7 µm, 0.3 x 150mm

Poroshell 120, HPH-C8, 2.1x250mm, 4um

HALO 400 Å ES-C18, 3.4 µm, 2.1 x 30mm

HALO 160 Å C30, 2.7 µm, 3.0 x 5mm, Guard Column 3