HALO 90 Å C8, 2.7 µm, 1.0 x 100mm

Poroshell 120, HPH-C8, 4.6x150mm, 4um

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

Poroshell 120,EC-C18, 4.6x50mm,2.7um