newly installed wc concealed frame for wall-mounted toilet connected to the aeration pipe and sewage system, built in plasterboard

aeration attached bathroom board build built builtin button buttons carcass cistern concealed connected construction drainage elbow fastener fitting flush frame green gypsum home house hung incomplete installation installed inwall lavatory mounting newly pipe pipeline pipes plaster plasterboard plumbing profiles residential restroom sewage system tank technology toilet tube unfinished ventilation wall wallhung wallmounted