I read all the posts. ya, right. Those expandable supports look great and qualify for stupid AZ law until you pull the valves open. Then the hose fills and becomes a problem. The best I have seen is 4" dia pipe in 4' lengths that actually support the hose. Didn't see them at Quartzsite this year. I am going to make my own this year. They are the best for sloping the sewer hose. As far as AZ. Some kook that has never RVd came up with a rule that is wacko and doesn't work very well. Keep it off the ground. Ya, right. How about RV parks putting sewer connections in reasonable areas that are down hill from my RV. JMHO.