HALO 1000 Å Diphenyl, 2.7 µm, 3.0 x 100mm

Poroshell HPH-C8, 3.0x100mm, 2.7um

HALO 90 Å C8, 2 µm, 3.0 x 30mm

HALO 90 Å AQ-C18, 2.7 µm, 3.0 x 5mm, Guard Column