The world's best selling marine toilet is now even better! The JABSCO TWIST-N-LOCK manual marine toilet is now safer, stronger, performs better, is better looking and easier to maintain. The twist 'n' lock action handle locks the system and guards against siphoning, flooding and waste backflow with an easy 90 deg turn of the handle. The white enamelled wooden seat and lid is more comfortable and durable than ever. Jabsco are the world's largest manufacturer of small craft marine toilet systems supplying major boatbuilders throughout the world. All their experience has been applied to refining the Jabsco Twist-N-Lock toilet to be the best performing and easiest to maintain available. 2 sizes are available - standard compact bowl or large bowl and seat which gives you the comfort you are used to at home. Both marine toilets have connections for 20mm (3/4") I.D inlet hose and 38mm (1 1/2") outlet hose. Corrosion resistant materials are used throughout the toilet for reliable service with salt water. All fastenings face towards the front or top of toilet for ease of maintenance.