Halo 2um, 90A, Biphenyl Back Catalog number: 941810-211 Manufacturer: Advanced Materials Technology Availability: In the manufacturer's stock Price on request - + Recommended 941120-202 Halo 2um, 160A, ES-C18 Price on request 93412-302 HALO 400 Å ES-C18, 3.4 µm, 2.1 x 30mm Price on request 92811-422 HALO 90 Å AQ-C18, 2.7 µm, 1.0 x 50mm Price on request