HALO 90 Å RP-Amide, 2 µm, 3.0 x 30mm

Poroshell 120, UHPLC Guard,SB-C18,4.6mm

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

Poroshell 120 EC-C8,2.1x 100mm,2.7um,T