HALO 90 Å ES-CN, 2.7 µm, 0.5 x 50mm

HALO 90 Å HILIC, 2.7 µm, 3.0 x 5mm, Guard Column

HALO 90 Å PAH, 2.7 µm, 2.1 x 5mm, Guard Column 3p

Poroshell 120 EC-C18,2.1x 150mm,2.7um,T