Halo 2um, 90A, ES-CN Back Catalog number: 941810-204 Manufacturer: Advanced Materials Technology Availability: In the manufacturer's stock Price on request - + Recommended 92813-102 HALO 90 Å C18, 2.7 µm, 3.0 x 5mm, Guard Column 3p Price on request 92811-711 HALO 90 Å Biphenyl, 2.7 µm, 1.0 x 150mm Price on request 91813-507 HALO 90 Å RP-Amide, 2 µm, 3.0 x 75mm Price on request