Halo 5um, 90A, C8 Back Catalog number: 945810-208 Manufacturer: Advanced Materials Technology Availability: In the manufacturer's stock Price on request - + Recommended 92813-713 HALO 90 Å PFAS, 2.7 µm, 3.0 x 150mm Price on request 92114-117 HALO 160A PCS C18, 2.7um Guard Column 4.6mm x 5mm Price on request 92812-101 HALO 90 Å HILIC, 2.7 µm, 2.1 x 5mm, Guard Column Price on request