HALO 400 A Diphenyl, 3.4 µm, 3.0 x 250mm

HALO 1000 Å Diphenyl, 2.7 µm, 1.0 x 50mm

HALO 400 A Diphenyl, 3.4 µm, 3.0 x 150mm

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