HALO 90 Å RP-Amide, 2.7 µm, 4.6 x 150mm

HALO 90A PCS C18, 2.7um Guard Column 4.6mm x 5mm

Poroshell 120, HPH-C8, 4.6x100mm, 4um

HALO 400 Å ES-C18, 3.4 µm, 2.1 x 250mm