Halo 3.4um, 400A, C4 Back Catalog number: 943410-214 Manufacturer: Advanced Materials Technology Availability: In the manufacturer's stock Price on request - + Recommended 92813-622 HALO 90 Å AQ-C18, 2.7 µm, 3.0 x 100mm Price on request 93412-614 HALO 400 Å C4, 3.4 µm, 2.1 x 100mm Price on request 91812-708 HALO 90 Å C8, 2 µm, 2.1 x 150mm Price on request