Halo 3.4um, 400A, ES-C18 Back Catalog number: 943410-202 Manufacturer: Advanced Materials Technology Availability: In the manufacturer's stock Price on request - + Recommended 92712-202 HALO 1000 Å ES-C18, 2.7 µm, 2.1 x 20mm Price on request 95812-222 HALO 90 Å AQ-C18, 5 µm, 2.1 x 20mm Price on request 92710-726 HALO 1000 Å Diphenyl, 2.7 µm, 10.0 x 150mm Price on request