HALO 90 Å LPH-C18, 2.7 µm, 1.5 X 50mm

HALO 90 Å HILIC, 2.7 µm, 4.6 x 5mm, Guard Column

HALO 1000 Å Diphenyl, 2.7 µm, 4.6 x 5mm, Guard Co

HALO 160 Å ES-C18, 2 µm, 3.0 x 5mm, Guard Column