HALO 160 Å ES-C18, 2.7 µm, 0.5 x 150mm

HALO 160 Å ES-C18, 5 µm, 3.0 x 250mm

Poroshell 120 SB-C8,3.0x150mm,2.7um

HALO 1000 Å Diphenyl, 2.7 µm, 2.1 x 5mm, Guard Co