HALO Guard Column Holder Back Catalog number: 94900-001 Manufacturer: Advanced Materials Technology Availability: In the manufacturer's stock Price on request - + Recommended 95812-511 HALO 90 Å Biphenyl, 5 µm, 2.1 x 75mm Price on request 690770-702 Poroshell 120, HPH-C18, 2.1x250mm, 4um 1 003,77 € 699775-902 Poroshell 120,EC-C18, 2.1x50mm,2.7um 752,39 €