HALO 1000 Å C4, 2.7 µm, 3.0 x 20mm

HALO 90 Å AQ-C18, 5 µm, 2.1 x 75mm

Poroshell 120,UHPLC Guard,EC-C8,2.1mm

HALO 90A PCS C18, 2.7um Guard Column 2.1mm x 5mm