HALO 160 Å C30, 2.7 µm, 3.0 x 30mm

HALO 90 Å ES-CN, 2.7 µm, 0.5 x 50mm

HALO 90 Å PFP, 5 µm, 3.0 x 100mm

HALO 160 Å ES-CN, 5 µm, 3.0 x 5mm, Guard Column 3