HALO 400 Å C4, 3.4 µm, 4.6 x 50mm

HALO 160 Å ES-CN, 2.7 µm, 2.1 x 5mm, Guard Column

HALO 90 Å ES-CN, 2.7 µm, 2.1 x 30mm

HALO 160 Å ES-CN, 2.7 µm, 10.0 x 50mm