HALO 90 Å RP-Amide, 2.7 µm, 2.1 x 75mm

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

Poroshell HPH-C18, 4.6x100mm, 2.7um

HALO 90 Å C18, 5 µm, 3.0 x 20mm