HALO 160 Å ES-C18, 5 µm, 2.1 x 20mm

Poroshell 120, Phe-Hex, 4.6x150mm, 4um

Poroshell 120 Phe-Hex,3x 150mm,2.7um,T

HALO 90 Å AQ-C18, 2 µm, 2.1 x 5mm, Guard Column 3