HALO 90 Å Biphenyl, 5 µm, 3.0 x 75mm

HALO 90 Å PAH, 2.7 µm, 3.0 x 50mm

Poroshell 120 Phel-Hex,2.1x 100mm,4um,T

HALO 90 Å C18, 2 µm, 3.0 x 5mm, Guard Column 3pk