Halo 2um, 90A, ES-CN Back Catalog number: 941810-204 Manufacturer: Advanced Materials Technology Availability: In the manufacturer's stock Price on request - + Recommended 93413-402 HALO 400 Å ES-C18, 3.4 µm, 3.0 x 50mm Price on request 91813-102 HALO 90 Å C18, 2 µm, 3.0 x 5mm, Guard Column 3pk Price on request 92814-617 HALO 90A PCS C18, 2.7um 4.6mm x 100mm Price on request