bowl water overflow fig4 a said unit 39 s container 101 is designed so as to ensure proper closure of both cover 102 and bottom piece 103 such as a securing male female perimeter lip 122 that also prevents water humidity entering said container said venting unit container 101 when closed has three openings of differing dimensions the smallest 105 to accommodate an electric power supply wire 123 another for a mains water supply pipe 107 and a third and largest for a vented air exit pipe 108 said water and vented air pipes are positioned at opposite lateral ends of the container at a distance prescribed by limitations imposed by the available space within the container whose shape and size is dictated by ergonomic and aesthetic design parameters related to the toilet commode 301 all openings seal around their respective conduits to prevent water entering said container said container 39 s cover 102 is fastened onto the bottom piece 103 via screws driven through said bottom 39 s base 103 vertically upwards into adjacent equally spaced screw sockets in the top cover 102 around the case 39 s perimeter the front area of the device is secured onto the.