Halo 3.4um, 400A, C4 Back Catalog number: 943410-214 Manufacturer: Advanced Materials Technology Availability: In the manufacturer's stock Price on request - + Recommended 92812-613 HALO 90 Å PFAS, 2.7 µm, 2.1 x 100mm Price on request 92844-412 HALO 90 Å PAH, 2.7 µm, 4.6 x 50mm Price on request 92812-601 HALO 90 Å HILIC, 2.7 µm, 2.1 x 100mm Price on request