Halo 5um, 90A, C18 Back Catalog number: 945810-202 Manufacturer: Advanced Materials Technology Availability: In the manufacturer's stock Price on request - + Recommended 91226-602 HALO 160 Å ES-C18, 2.7 µm, 0.3 x 100mm Price on request 92813-913 HALO 90 Å PFAS, 2.7 µm, 3.0 x 250mm Price on request 91122-102 HALO 160 Å ES-C18, 2 µm, 2.1 x 5mm, Guard Column Price on request