Halo 2um, 90A, ES-CN Back Catalog number: 941810-204 Manufacturer: Advanced Materials Technology Availability: In the manufacturer's stock Price on request - + Recommended 91813-111 HALO 90 Å Biphenyl, 2 µm, 3.0 x 5mm, Guard Column Price on request 95810-709 HALO 90 Å PFP, 5 µm, 10.0 x 150mm Price on request 95810-905 HALO 90 Å Penta-HILIC, 5 µm, 10.0 x 250mm Price on request