the face portion of said mount 12 wherein said face comprises a hole for receiving a fastener 16 which penetrates a wall and firmly couples said mount 12 to said wall the middle portion is a recess 18 wherein the upper and lower walls of said recess 18 are attached to said face and are perpendicular thereto said recess 18 comprises a back wall which is attached to said upper and lower walls attached to the point of connection between said lower wall and said face is a ridge 40 the installation of this embodiment would require that a hole be cut in said wall so that said recess 18 would fit within it but said face would overlap said wall for mounting a template could be included with the present invention to allow the user to make a exact outline of the desired shape to fit said recess 18 the back wall of said reservoir 20 comprises flat surface that has a length that is slightly smaller then the length of said back wall of said recess 20 the bottom portion of said reservoir 20 comprises a groove 38 adjacent to the rear portion said groove 38 is shaped to receive said ridge 40 on said lower wall of said recess 18 and to hold said reservoir 20.