HALO 400 Å C4, 3.4 µm, 2.1 x 100mm

Poroshell 120 Aq-C18 2.1x30mm, 2.7um

HALO 1000 Å C4, 2.7 µm, 2.1 x 30mm

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