Porta Potti 345 Marine ToiletThe Porta Potti 345 is a medium sized portable model with high capacity waste holding tank.Features:. White finish. Manual flush, piston pump. Integrated pour-out spout. Integrated cover-lock on all models. Benefits:. Modern, refreshed design. Improved valve handle system. Improved carry handle of the waste holding tank. Improved seating comfort. Brochure (pdf)