HALO 160 Å ES-C18, 2.7 µm, 1.0 x 50mm

HALO 90 Å Biphenyl, 2.7 µm, 3.0 x 5mm, Guard Colu

Poroshell 120,EC-C18, 2.1x150mm,2.7um

HALO 90 Å Biphenyl, 5 µm, 2.1 x 75mm