HALO 160 Å ES-CN, 2.7 µm, 4.6 x 75mm

HALO 90 Å ES-CN, 2.7 µm, 1.0 x 50mm

HALO 90 Å PFP, 2.7 µm, 0.5 x 100mm

HALO 400 Å C4, 3.4 µm, 4.6 x 5mm, Guard Column 3p