HALO 1000 Å Diphenyl, 2.7 µm, 4.6 x 20mm

HALO 90 Å C8, 2 µm, 2.1 x 150mm

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

HALO 400 Å C4, 3.4 µm, 2.1 x 75mm