HALO 1000 Å ES-C18, 2.7 µm, 2.1 x 20mm

HALO 160 Å C30, 2.7 µm, 3.0 x 75mm

HALO 1000 Å Diphenyl, 2.7 µm, 3.0 x 5mm, Guard Co

HALO 1000 Å C4, 2.7 µm, 2.1 x 75mm