Convenience isnt always available unless you bring it along. The Century Portable Toilet accommodates camping, travel and construction needs. Self-contained unit flushes from a 3.2 gal. fresh-water holding tank features a 2.8 gal. waste-water holding tank. Full-size seat and lid feature sturdy, thick-wall construction holding tanks feature leak-proof, one-piece construction. Built-in handles let you carry the unit easily heavy-duty, corrosion-resistant side latches keep tanks locked together. Detachable holding tank empties completely double-sealed drain valve protects against leakage and odors.