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 92712-714 HALO 1000 Å C4, 2.7 µm, 2.1 x 150mm Price on request 91812-209 HALO 90 Å PFP, 2 µm, 2.1 x 20mm Price on request 91822-116 HALO 90 Å LPH-C18, 2.0 µm, 2.1 X 5mm, 3pk. Price on request