HALO 90 Å HILIC, 2.7 µm, 4.6 x 150mm

HALO 400 Å C4, 3.4 µm, 4.6 x 50mm

HALO 1000 Å Diphenyl, 2.7 µm, 2.1 x 5mm, Guard Co

HALO 90 Å C8, 2 µm, 2.1 x 5mm, Guard Column 3pk