HALO 90 Å C18, 2.7 µm, 4.6 x 150mm Back Catalog number: 92814-702 Manufacturer: Advanced Materials Technology Availability: 2 weeks Price on request - + Recommended 91813-102 HALO 90 Å C18, 2 µm, 3.0 x 5mm, Guard Column 3pk Price on request 92811-622 HALO 90 Å AQ-C18, 2.7 µm, 1.0 x 100mm Price on request 93410-414 HALO 400 Å C4, 3.4 µm, 10.0 x 50mm Price on request