A shower head structure includes a front cover disc, a water outlet disc, a joint base, a water stopper body and a water stopper. A monolithic three dimensional array contains a plurality of such devices. The form components are assembled atop a ground surface and are configured to define a volume for containing poured concrete. The encrypted payloads are inserted in the particular flow sent through the channel of the service provider network. The backshell includes a housing defined by a first housing member coupled to a second housing member by a releasable coupler.