HALO 90 Å C18, 2 µm, 2.1 x 30mm

HALO 90 Å C8, 5 µm, 2.1 x 50mm

Poroshell 120 SB-C8,2.1x50mm,2.7um

HALO 400 Å ES-C18, 3.4 µm, 4.6 x 5mm, Guard Colum