HALO 90 Å Biphenyl, 2 µm, 2.1 x 30mm

HALO 160 Å ES-C18, 2 µm, 2.1 x 75mm

Poroshell 120, EC-C18, 4.6x150mm, 4um

HALO 90 Å C18, 2.7 µm, 3.0 x 5mm, Guard Column 3p