I have two. One is a 22 gallon and the other is a 30 gallon toter. Excellent for allowing you to stay on one site longer without having to move the RV to empty sewage so often. Can be pulled behind vehicle or pulled manually. We have given up camping.
It was used one summer during a long vacation trip. Very handy for longer stays at camp site. Both purchased at Camping World for over $100 each. If interested, contact me at .