HALO 90 Å RP-Amide, 5 µm, 2.1 x 30mm

HALO 90 Å ES-CN, 2.7 µm, 2.1 x 30mm

Halo 2um, 90A, C8

HALO 90 Å PAH, 2.7 µm, 3.0 x 5mm, Guard Column 3p