HALO 1000 Å C4, 2.7 µm, 4.6 x 30mm

HALO 160 Å Phenyl-Hexyl, 2.7 µm, 2.1 x 5mm, Guard

Poroshell 120 PFP, 4.6x50mm,2.7um

HALO 90 Å ES-CN, 2 µm, 3.0 x 75mm