HALO 90 Å ES-CN, 5 µm, 2.1 x 30mm

HALO 160 Å ES-C18, 5 µm, 2.1 x 5mm, Guard Column

HALO 1000 A C4, 2.7 µm, 1.5 x 50mm

HALO 90 Å ES-CN, 2 µm, 3.0 x 100mm