Halo 2um, 90A, AQ-C18 Back Catalog number: 941810-222 Manufacturer: Advanced Materials Technology Availability: In the manufacturer's stock Price on request - + Recommended 92121-404 HALO 160 Å ES-CN, 2.7 µm, 1.0 x 50mm Price on request 97216-614 HALO 1000 Å C4, 2.7 µm, 0.3 x 100mm Price on request 92711-702 HALO 1000 Å ES-C18, 2.7 µm, 1.0 x 150mm Price on request