HALO 1000 A Diphenyl, 2.7 µm, 1.5 x 150mm

Poroshell 120 PFP,2.1x 100mm,2.7um,T

HALO 90 Å PAH, 2.7 µm, 4.6 x 5mm, Guard Column 3p

HALO 90 Å RP-Amide, 2.7 µm, 3.0 x 150mm