Fiamma Bi-Pot 39 is a simple, strong self-contained fresh water flush portable toilet. A very simple system that is both strong and easy to clean. Compact, it can be completely dismantled, including the valve, for thorough and total cleaning. Sturdy and solid handle for easy transportation. Large waste cap: no drainpipe, emptying is easy and hygienic, no clogging. Each tank is electronically tested for a perfect seal. Handy side clips to connect the upper and lower tanks.