HALO 400 A Diphenyl, 3.4 µm, 2.1 x 75mm

HALO 90 Å Biphenyl, 2.7 µm, 3.0 x 5mm, Guard Colu

Poroshell 120, EC-C8, 2.1x250mm, 4um

HALO 160 Å Phenyl-Hexyl, 2.7 µm, 4.6 x 20mm