Halo 2um, 90A, C18 Back Catalog number: 941810-202 Manufacturer: Advanced Materials Technology Availability: In the manufacturer's stock Price on request - + Recommended 95124-504 HALO 160 Å ES-CN, 5 µm, 4.6 x 75mm Price on request 95812-602 HALO 90 Å C18, 5 µm, 2.1 x 100mm Price on request 95813-308 HALO 90 Å C8, 5 µm, 3.0 x 30mm Price on request