Porta Potti Curve Portable Toilet for RV | camping | vans | trucks | healthcare | boats - model 550E, by Thetford - 92360 [VERSATILITY]: Award-winning, top-of-the-line portable toilet, suited for RVs, boats, trucks, vans, healthcare, medical, camping and even off-the-grid lifestyle, with a 4 gallons fresh water tank capacity and a 5.5 gallons waste water capacity [DESIGN]: Sleek, modern, and homelike look, Porta Potti Curve comes with a comfortable seat height, increased bowl size, and battery-powered flush [FUNCTIONALITY]: Easy to use and clean, Curve has an ergonomic carrying handle, an integrated toilet paper holder, and a tank level indicator [SANITARY]: Odorless and leak proof, the portable toilet has a sealed valve to prevent odors from escaping and a rotating pour-out spout for emptying the waste water tank without backsplashes [OPTIONAL]: The hold down kit helps secure the portable toilet to the floor, holding it in place while you're on the road and Water fill adaptor