Embark on a worry-free and enjoyable RV journey with the Oursunny black water storage tank. Say goodbye to concerns about unpleasant waste issues. Designed with a 75L capacity, this universally compatible wheeler offers exceptional portability for campers, trailers, buses and recreational vehicles. Effortlessly redirect waste through a rotating spout, ensuring a seamless and odor-free experience. Equipped with 3 rolling wheels and 3 handles, can easily move the portable tank or empty it.