Halo 2um, 90A, Biphenyl Back Catalog number: 941810-211 Manufacturer: Advanced Materials Technology Availability: In the manufacturer's stock Price on request - + Recommended 92812-711 HALO 90 Å Biphenyl, 2.7 µm, 2.1 x 150mm Price on request 92112-206 HALO 160 Å Phenyl-Hexyl, 2.7 µm, 2.1 x 20mm Price on request 92842-612 HALO 90 Å PAH, 2.7 µm, 2.1 x 100mm Price on request