Halo 2.7um, 90A, AQ-C18 Back Catalog number: 942810-222 Manufacturer: Advanced Materials Technology Availability: In the manufacturer's stock Price on request - + Recommended 91812-122 HALO 90 Å AQ-C18, 2 µm, 2.1 x 5mm, Guard Column 3 Price on request 92813-504 HALO 90 Å ES-CN, 2.7 µm, 3.0 x 75mm Price on request 91226-604 HALO 160 Å ES-CN, 2.7 µm, 0.3 x 100mm Price on request