HALO 90 Å RP-Amide, 2 µm, 2.1 x 100mm Back Catalog number: 91812-607 Manufacturer: Advanced Materials Technology Availability: 2 weeks Price on request - + Recommended 92711-714 HALO 1000 Å C4, 2.7 µm, 1.0 x 150mm Price on request 95813-222 HALO 90 Å AQ-C18, 5 µm, 3.0 x 20mm Price on request 95813-108 HALO 90 Å C8, 5 µm, 3.0 x 5mm, Guard Column 3pk Price on request