Halo 2um, 90A, AQ-C18 Back Catalog number: 941810-222 Manufacturer: Advanced Materials Technology Availability: In the manufacturer's stock Price on request - + Recommended 92814-701 HALO 90 Å HILIC, 2.7 µm, 4.6 x 150mm Price on request 92712-414 HALO 1000 Å C4, 2.7 µm, 2.1 x 50mm Price on request 92712-114 HALO 1000 Å C4, 2.7 µm, 2.1 x 5mm, Guard Column 3 Price on request