HALO 160 Å ES-C18, 2.7 µm, 1.0 x 250mm Back Catalog number: 92121-902 Manufacturer: Advanced Materials Technology Availability: 2 weeks Price on request - + Recommended 91812-204 HALO 90 Å ES-CN, 2 µm, 2.1 x 20mm Price on request 95813-406 HALO 90 Å Phenyl-Hexyl, 5 µm, 3.0 x 50mm Price on request 95814-106 HALO 90 Å Phenyl-Hexyl, 5 µm, 4.6 x 5mm, Guard Co Price on request