HALO 90 Å AQ-C18, 2 µm, 2.1 x 30mm

HALO 1000 Å ES-C18, 2.7 µm, 0.5 x 150mm

Poroshell 120,EC-C8,4.6x75mm,2.7um

HALO 90 Å C18, 5 µm, 4.6 x 5mm, Guard Column 3pk