HALO Guard Column Holder Back Catalog number: 94900-001 Manufacturer: Advanced Materials Technology Availability: In the manufacturer's stock Price on request - + Recommended 92814-404 HALO 90 Å ES-CN, 2.7 µm, 4.6 x 50mm Price on request 699975-901T Poroshell 120 HILIC,4.6x 50mm,2.7um,T 18 552,24 Kč 92711-402 HALO 1000 Å ES-C18, 2.7 µm, 1.0 x 50mm Price on request