HALO Guard Column Holder Back Catalog number: 94900-001 Manufacturer: Advanced Materials Technology Availability: In the manufacturer's stock Price on request - + Recommended 95814-507 HALO 90 Å RP-Amide, 5 µm, 4.6 x 75mm Price on request 92812-311 HALO 90 Å Biphenyl, 2.7 µm, 2.1 x 30mm Price on request 9281X-622 HALO 90 Å AQ-C18, 2.7 µm, 1.5 X 100mm Price on request