HALO 160 Å ES-CN, 2.7 µm, 4.6 x 20mm

HALO 90 Å LPH-C18, 2.7 µm, 2.1 X 100mm

Halo 2um, 90A, AQ-C18

HALO 90A PCS C18, 2.7um Guard Column 3.0mm x 5mm