HALO Guard Column Holder Back Catalog number: 94900-001 Manufacturer: Advanced Materials Technology Availability: In the manufacturer's stock Price on request - + Recommended 95813-106 HALO 90 Å Phenyl-Hexyl, 5 µm, 3.0 x 5mm, Guard Co Price on request 92123-102 HALO 160 Å ES-C18, 2.7 µm, 3.0 x 5mm, Guard Colum Price on request 93414-202 HALO 400 Å ES-C18, 3.4 µm, 4.6 x 20mm Price on request