Halo 3.4um, 400A, ES-C18 Back Catalog number: 943410-202 Manufacturer: Advanced Materials Technology Availability: In the manufacturer's stock Price on request - + Recommended 95123-102 HALO 160 Å ES-C18, 5 µm, 3.0 x 5mm, Guard Column Price on request 91812-601 HALO 90 Å HILIC, 2 µm, 2.1 x 100mm Price on request 95814-708 HALO 90 Å C8, 5 µm, 4.6 x 150mm Price on request