This is the heater duct that goes to the Rear of the coach, Water locker, and on to the bathroom. No Air ended up at the bathroom.
Guess what: That duct was that much too long and folded in the space under the bed. No wonder air would not move. I had to cut that much hose out so that the would make a straighter run to the bath. Now I get a little air to the bath. However: I made changes to that later.
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