The Porta Potti 365 is a family size portable toilet with a high capacity waste holding tank and a natural seating height.
Dimensions: 414 x 383 x 427mm
Seating height: 408mm
Capacity of waste holding tank: 21L
Capacity of flush water tank: 15L
Flushing System – Piston pump
More info and Instuction manual is available here: English page 38