Electric Porta Potti #465 - Tallest Size, Biggest Capacity, Easiest Flush. The Positive-locking Lid Latch holds lid in place, which, along with the Exclusive No-Spill Vent Cap prevents spills. The durable, high-gloss finish and removable Seat and Cover make this Porta Pottie easy to clean, while the Exclusive, self-storing, rotating Pour-Out Spout makes emptying easy and prevents spills. It has a built-in deodorant storage compartment for convenience (with sample bottle of deodorant included). And an easy-to-use, battery-operated (six AA-cells/not included) push-button flush which offers a superior bowl wash down. It also has a convenient built-in splash-resistant Tissue Dispenser. The two sections come apart and reattach easily, making empting the tank neat and clean. Push-button Air Relief Valve allows quick clean tank evacuation, and a Level Indicator that shows 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.