HALO 90 Å Biphenyl, 2.7 µm, 4.6 x 150mm

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

HALO 160 Å C30, 2.7 µm, 10.0 x 50mm

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