Halo 2um, 90A, C18 Back Catalog number: 941810-202 Manufacturer: Advanced Materials Technology Availability: In the manufacturer's stock Price on request - + Recommended 91813-501 HALO 90 Å HILIC, 2 µm, 3.0 x 75mm Price on request 95810-622 HALO 90 Å AQ-C18, 5 µm, 10.0 x 100mm Price on request 93413-102 HALO 400 Å ES-C18, 3.4 µm, 3.0 x 5mm, Guard Colum Price on request