HALO 1000 Å Diphenyl, 2.7 µm, 1.0 x 100mm

HALO 90 Å Phenyl-Hexyl, 5 µm, 4.6 x 5mm, Guard Co

Poroshell 120, Phe-Hex, 2.1x150mm, 4um

HALO 90 Å ES-CN, 2 µm, 2.1 x 100mm