Halo 2um, 90A, AQ-C18 Back Catalog number: 941810-222 Manufacturer: Advanced Materials Technology Availability: In the manufacturer's stock Price on request - + Recommended 91813-107 HALO 90 Å RP-Amide, 2 µm, 3.0 x 5mm, Guard Column Price on request 92813-506 HALO 90 Å Phenyl-Hexyl, 2.7 µm, 3.0 x 75mm Price on request 98216-708 HALO 90 Å C8, 2.7 µm, 0.3 x 150mm Price on request