HALO 400 Å C4, 3.4 µm, 2.1 x 75mm

HALO 90 Å Phenyl-Hexyl, 2.7 µm, 2.1 x 150mm

Halo 5um, 90A, Phenyl-Hexyl

HALO 400 Å ES-C18, 3.4 µm, 2.1 x 5mm, Guard Colum