Halo 2um, 90A, C18 Back Catalog number: 941810-202 Manufacturer: Advanced Materials Technology Availability: In the manufacturer's stock Price on request - + Recommended 95122-402 HALO 160 Å ES-C18, 5 µm, 2.1 x 50mm Price on request 93414-902 HALO 400 Å ES-C18, 3.4 µm, 4.6 x 250mm Price on request 93412-102 HALO 400 Å ES-C18, 3.4 µm, 2.1 x 5mm, Guard Colum Price on request