HALO 90 Å PFP, 2.7 µm, 2.1 x 75mm

HALO 90 Å Phenyl-Hexyl, 2.7 µm, 0.5 x 50mm

HALO 1000 A Diphenyl, 2.7 µm, 1.5 x 150mm

HALO 90 Å Phenyl-Hexyl, 5 µm, 2.1 x 5mm, Guard Co