HALO 90 Å C18, 2.7 µm, 3.0 x 100mm Back Catalog number: 92813-602 Manufacturer: Advanced Materials Technology Availability: 2 weeks Price on request - + Recommended 92122-304 HALO 160 Å ES-CN, 2.7 µm, 2.1 x 30mm Price on request 91123-102 HALO 160 Å ES-C18, 2 µm, 3.0 x 5mm, Guard Column Price on request 92814-322 HALO 90 Å AQ-C18, 2.7 µm, 4.6 x 30mm Price on request