Halo 2.7um, 90A, C18

HALO 90 Å Phenyl-Hexyl, 2.7 µm, 3.0 x 5mm, Guard

HALO 160 Å ES-CN, 5 µm, 3.0 x 150mm

HALO 400 A Diphenyl, 3.4 µm, 2.1 x 30mm