Thetford Porta Potti 145Thetford Porta Potti 145 The Porta Potti 145 is a compact, convenient and easy to use portable toilet designed for camping and caravanning. It is a basic model with a natural seating height and a high capacity waste holding tank. The manual flush and the bellow pump ensure plenty of water with minimum effort. The detachable tanks and improved carrying handle make it easy for emptying and the integrated cover lock makes it secure for travelling. The