An article includes a substrate, a functional coating deposited over the substrate, and a protective coating deposited over the functional coating. Feedstocks can be hydroprocessed in the separated volumes to allow multiple types of hydroprocessing conditions andor feeds to be processed in a single reactor. The filter can be incorporated in a smoking article, such as a cigarette, to remove one or more selected constituents from mainstream smoke. Information symbols are extracted by the opposite process. Therefore, the connection between the receptacle connector and the plug connector is double and more stably.