Halo 2um, 90A, PFP Back Catalog number: 941810-209 Manufacturer: Advanced Materials Technology Availability: In the manufacturer's stock Price on request - + Recommended 93413-114 HALO 400 Å C4, 3.4 µm, 3.0 x 5mm, Guard Column 3p Price on request 95813-922 HALO 90 Å AQ-C18, 5 µm, 3.0 x 250mm Price on request 95812-705 HALO 90 Å Penta-HILIC, 5 µm, 2.1 x 150mm Price on request