After using our 4 wheel version one time, threw it out and bought the Rhino version.
The difference is the Rhino version has a cut off valve installed alright and these do not have a cut off valve.
With the cut off valve it is easier to dump.
2018 Road Warrior 427
2013 Can Am Spyder RT Limited
2017 Ram 3500 w/Aisin w/4:10
2 Dachshunds DJ (RIP 9-12-19) & Joey (RIP 5-14-21)