HALO 90 Å ES-CN, 2.7 µm, 2.1 x 50mm

Poroshell CS-C18 2.7um, 4.6mm grd 3/pk

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

HALO 160 Å Phenyl-Hexyl, 2.7 µm, 0.3 x 150mm