PLEASE MEASURE YOUR INSTALLATION AREA PRIOR TO PURCHASING. We offer a wide selection of sizes and varieties of tanks to service your RV, food truck, or concession trailer. All our tanks are BPA free and have a seamless construction to prevent blow-outs and leakage. Our tanks are offered in a combination package of fresh water and gray water as you need both for your concessions or trailer to function properly. Our tanks offer multiple ports for easy access to your specific hook-ups.