HALO 1000 Å ES-C18, 2.7 µm, 4.6 x 50mm

HALO 90 Å Penta-HILIC, 2.7 µm, 10.0 x 50mm

Poroshell 120, EC-C8, 2.1x250mm, 4um

HALO 160A PCS C18, 2.7um Guard Column 4.6mm x 5mm