HALO 160 Å ES-CN, 2.7 µm, 2.1 x 50mm

HALO 160 Å ES-CN, 5 µm, 4.6 x 150mm

HALO 90 Å AQ-C18, 2.7 µm, 4.6 x 5mm, Guard Column

HALO 90A PCS C18, 2.7um 4.6mm x 100mm