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 91813-605 HALO 90 Å Penta-HILIC, 2 µm, 3.0 x 100mm Price on request 941810-222 Halo 2um, 90A, AQ-C18 Price on request 91812-305 HALO 90 Å Penta-HILIC, 2 µm, 2.1 x 30mm Price on request