HALO 160 Å ES-C18, 2 µm, 3.0 x 50mm

Poroshell 120,EC-C18, 4.6x30mm,2.7um

HALO 160 Å ES-C18, 2.7 µm, 1.0 x 50mm

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