Halo 2um, 90A, PFP Back Catalog number: 941810-209 Manufacturer: Advanced Materials Technology Availability: In the manufacturer's stock Price on request - + Recommended 92814-511 HALO 90 Å Biphenyl, 2.7 µm, 4.6 x 75mm Price on request 95812-722 HALO 90 Å AQ-C18, 5 µm, 2.1 x 150mm Price on request 95814-109 HALO 90 Å PFP, 5 µm, 4.6 x 5mm, Guard Column 3pk Price on request