HALO 160 Å ES-CN, 2.7 µm, 2.1 x 20mm

Poroshell 120,UHPLC Guard,EC-C8,4.6mm

HALO 90 Å AQ-C18, 2 µm, 3.0 x 30mm

HALO 90 Å HILIC, 2 µm, 3.0 x 5mm, Guard Column 3p