HALO 90 Å LPH-C18, 2.7 µm, 3.0 X 50mm

HALO 90A PCS C18, 2.7um Guard Column 3.0mm x 5mm

Poroshell 120, EC-C18, 3x250mm, 4um

HALO 90 Å LPH-C18, 2.7 µm, 2.1 X 100mm