HALO Guard Column Holder Back Catalog number: 94900-001 Manufacturer: Advanced Materials Technology Availability: In the manufacturer's stock Price on request - + Recommended 92814-307 HALO 90 Å RP-Amide, 2.7 µm, 4.6 x 30mm Price on request 689975-306K Poroshell 120 SB-C8,3.0x50mm,2.7um,MVK 2 191,30 € 91812-405 HALO 90 Å Penta-HILIC, 2 µm, 2.1 x 50mm Price on request