We like ours because following we dump our black water tank, it will take much less time for you to refill the tank to provide it a 2nd flush. We accustomed to need to sit inside the RV and run the hose and wand through the RV in the toilet https://griffinqz8b8.fitnell.com/71911274/details-fiction-and-how-to-clean-water-tanks-in-unaizah