Halo 2um, 90A, AQ-C18 Back Catalog number: 941810-222 Manufacturer: Advanced Materials Technology Availability: In the manufacturer's stock Price on request - + Recommended 92813-122 HALO 90 Å AQ-C18, 2.7 µm, 3.0 x 5mm, Guard Column Price on request 95814-902 HALO 90 Å C18, 5 µm, 4.6 x 250mm Price on request 93412-702 HALO 400 Å ES-C18, 3.4 µm, 2.1 x 150mm Price on request