HALO 1000 A Diphenyl, 2.7 µm, 1.5 x 50mm

HALO 90 Å PFP, 2.7 µm, 2.1 x 75mm

HALO 90 Å C8, 2.7 µm, 4.6 x 30mm

HALO 90 Å Phenyl-Hexyl, 2.7 µm, 3.0 x 5mm, Guard