The flexible water tanks will solve the problem of storing water in your boat. The tanks are supplied with already welded Tank Fittings’ adapter and two Elbow Fittings (inlet/outlet) with moveable Thread Tightening Ring for maximum sealing. They are easy to store and use. The Nuova Rade flexible water tanks are available in 6 Rectangular Sizes as well as in 2 Triangular designed tank sizes.