Halo 2um, 90A, C18 Back Catalog number: 941810-202 Manufacturer: Advanced Materials Technology Availability: In the manufacturer's stock Price on request - + Recommended 942810-201 Halo 2.7um, 90A, HILIC Price on request 92713-126 HALO 1000 Å Diphenyl, 2.7 µm, 3.0 x 5mm, Guard Co Price on request 92813-222 HALO 90 Å AQ-C18, 2.7 µm, 3.0 x 20mm Price on request