HALO Guard Column Holder Back Catalog number: 94900-001 Manufacturer: Advanced Materials Technology Availability: In the manufacturer's stock Price on request - + Recommended 92120-402 HALO 160 Å ES-C18, 2.7 µm, 10.0 x 50mm Price on request 95813-407 HALO 90 Å RP-Amide, 5 µm, 3.0 x 50mm Price on request 93411-702 HALO 400 Å ES-C18, 3.4 µm, 1.0 x 150mm Price on request