HALO Guard Column Holder Back Catalog number: 94900-001 Manufacturer: Advanced Materials Technology Availability: In the manufacturer's stock Price on request - + Recommended 92814-301 HALO 90 Å HILIC, 2.7 µm, 4.6 x 30mm Price on request 95812-307 HALO 90 Å RP-Amide, 5 µm, 2.1 x 30mm Price on request 97216-602 HALO 1000 Å ES-C18, 2.7 µm, 0.3 x 100mm Price on request