HALO 1000 Å Diphenyl, 2.7 µm, 2.1 x 20mm

HALO 90 Å C8, 2.7 µm, 3.0 x 5mm, Guard Column 3pk

HALO 160A PCS C18, 2.7um 3.0mm x 150mm

HALO 160 Å ES-C18, 2 µm, 2.1 x 100mm