HALO 90 Å C8, 2 µm, 3.0 x 250mm

Poroshell 120,UHPLC Guard,Phe-Hex,4.6mm

HALO 90 Å HILIC, 2 µm, 2.1 x 5mm, Guard Column 3p

EC 250/4 NUCLEOSHELL RP 18, 5 µm