This 25 gallon polyethylene water/waste tank has been specifically designed/engineered to mount on 170WB Sprinter vans. Dimensions are 23.5" x 23" x 12". This tank is not designed to hold fuel. Use this tank to store fresh water or receive grey waste water. Water hose and fittings are sold separately. Tank has 4 integral 1/2" FPT ports which makes this tank very versatile. Call the Sales Department for more information on a Sprinter Van Water System Kit.