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 91122-602 HALO 160 Å ES-C18, 2 µm, 2.1 x 100mm Price on request 92810-702 HALO 90 Å C18, 2.7 µm, 10.0 x 150mm Price on request 92812-902 HALO 90 Å C18, 2.7 µm, 2.1 x 250mm Price on request