HALO 400 A Diphenyl, 3.4 µm, 3.0 x 5mm

HALO 160 Å Phenyl-Hexyl, 2.7 µm, 3.0 x 5mm, Guard

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

HALO 90 Å Biphenyl, 2.7 µm, 1.0 x 150mm