Halo 2um, 90A, RP-Amide Back Catalog number: 941810-207 Manufacturer: Advanced Materials Technology Availability: In the manufacturer's stock Price on request - + Recommended 92113-417 HALO 160A PCS C18, 2.7um 3.0mm x 50mm Price on request 92713-114 HALO 1000 Å C4, 2.7 µm, 3.0 x 5mm, Guard Column 3 Price on request 91812-107 HALO 90 Å RP-Amide, 2 µm, 2.1 x 5mm, Guard Column Price on request