Porta Potti #365 - This intermediate size Porta Pottie comes with a large capacity for its size. Compact Thetford Porta-Potti are self-contained, fresh water flush toilets that are sanitary and odorless. The waste water holding tank detaches from fresh water storage tank for convienient carrying and emptying. This Porta Potti also has a unique, built-in chemical storage compartment, along with a patented no-splash pour spout and push-button vent release for easy emptying. The sturdy polypropylene construction with high gloss finish, along with the removable seat and cover make it easy-to-clean. Locking lid to prevent spills and a level gauge to let you know when it is time to empty. Average Flushes is 62. Fresh water tank capacity of 4.0 Gallon. Waste holding tank capacity of 5.5 Gallon. 1 Year Warranty. Dimensions: 16-1/2 inch D x 16-1/2 inch W x 15 inch H. 1 per package.