Halo 2um, 90A, ES-CN Back Catalog number: 941810-204 Manufacturer: Advanced Materials Technology Availability: In the manufacturer's stock Price on request - + Recommended 91123-402 HALO 160 Å ES-C18, 2 µm, 3.0 x 50mm Price on request 95812-522 HALO 90 Å AQ-C18, 5 µm, 2.1 x 75mm Price on request 945810-201 Halo 5um, 90A, HILIC Price on request