HALO 1000 Å Diphenyl, 2.7 µm, 2.1 x 50mm

HALO 160A PCS C18, 2.7um Guard Column 2.1mm x 5mm

HALO 90 Å AQ-C18, 2.7 µm, 2.1 x 20mm

HALO 160 Å C30, 2.7 µm, 3.0 x 150mm