HALO 160 Å ES-C18, 2.7 µm, 2.1 x 75mm

Poroshell 120 EC-C18,2.1x50mm,1.9um,T

HALO 160 Å Phenyl-Hexyl, 2.7 µm, 3.0 x 5mm, Guard

HALO 1000 Å ES-C18, 2.7 µm, 3.0 x 250mm