HALO 1000 A Diphenyl, 2.7 µm, 1.5 x 50mm

Poroshell 120,EC-C18, 4.6x30mm,2.7um

Poroshell 120, Phe-Hex, 2.1x50,4um,MVK

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