Thetford Porta Potti 565P with Piston Flush 21LConsists of two separate sections, an upper fresh flush water tank and a lower, sealed waste holding tank Flush water level indicator Integrated toilet paper holder The Porta Potti Excellence is a comfortable, compact, and well furnished portable toilet with piston pump flush and integrated toilet roll holder that does not require a connection to a drainage or water system Dimensions Overall: 58mm(h) x 388mm(w) x 450mm(d) Dimensions Seat: 443mm(h)