Tubes and fittings stainless steel, 316L/1.4404/1.4435 in seamless and welded, electropolished, suitable for orbital welding. Designed for high purity gases and solvent systems; surface roughness < 0.2 um and better. Anodically and specially cleaned systems for CFOS and similar applications. Special products and fabrications: Manifolds, the Dockweiler Cap, Dockweiler Bulkhead Fitting. New product: The Dockweiler Bubbler 200.