Halo 2.7um 160A Phenyl-Hexyl

Poroshell 120,EC-C8,3.0x30mm,2.7um

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

HALO 90 Å Biphenyl, 5 µm, 4.6 x 75mm