HALO 1000 A C4, 2.7 µm, 1.5 x 50mm

HALO 160 Å C30, 2.7 µm, 2.1 x 75mm

Poroshell 120 EC-C8,3x100mm,1.9um,T

HALO 90 Å C8, 2.7 µm, 3.0 x 5mm, Guard Column 3pk