HALO 160 Å ES-C18, 2 µm, 2.1 x 20mm

Poroshell 120, Phe-Hex, 3x50mm, 4um

HALO 1000 Å ES-C18, 2.7 µm, 1.0 x 50mm

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