HALO 400 Å ES-C18, 3.4 µm, 10.0 x 50mm

HALO 90 A PAH, 2.7 µm, 4.6 x 250mm

Poroshell 120, Phe-Hex, 2.1x50mm, 4um

HALO 90 Å PAH, 2.7 µm, 3.0 x 5mm, Guard Column 3p