HALO 1000 Å Diphenyl, 2.7 µm, 2.1 x 75mm

Halo 2um, 90A, PFP

HALO 400 Å ES-C18, 3.4 µm, 4.6 x 75mm

HALO 90 Å Biphenyl, 5 µm, 2.1 x 5mm, Guard Column