HALO 1000 Å ES-C18, 2.7 µm, 2.1 x 20mm

HALO 160 Å Phenyl-Hexyl, 2.7 µm, 3.0 x 20mm

Poroshell 120, UHPLC Guard,EC-C18,2.1mm

HALO 90 Å AQ-C18, 5 µm, 2.1 x 5mm, Guard Column 3