Dometic - 965 Portable Toilet 5.0 Gallon Parchment Dometic 965 Portable Toilet 5.0 Gallon Parchment; Comfortable and secure, the adult size seat and firm locking side latches assure user satisfaction; MSD models can be installed for direct overboard, dockside pump-out, or remote tank discharge; Parchment and platinum colors; Model 965 - 5.0-gal. (18.9L) capacity portable toilet, mounting brackets; Water Supply: Self-contained freshwater 2.6-gallon (9.8L) upper tank.; Vent: 5/8-in. (16 mm) ID hose fitting (MSD models only). Self-contained 2.5 gallon (9.5 L) freshwater supply models offer enough capacity for 30-50 uses; Discharge: Standard models - discharge spout in bottom tank. MSD models - PVC fitting connects to 1.5-in. (38 mm) ID discharge plumbing. High-density polyethylene construction withstands demanding marine environment Top-mounted port offers easy in-vessel filling. Scratch-resistant matte finish is easy to keep clean and looking good for years