Halo 2.7um, 90A, C8

Poroshell HPH-C8, 3.0x50mm, 2.7um

HALO 90 Å C8, 5 µm, 2.1 x 100mm

HALO 160 Å ES-CN, 5 µm, 3.0 x 5mm, Guard Column 3