New Interior Rear
I used a good quality futon mattress with inner springs, very comfortable!
The fresh and waste water tanks, along with the water pump and storage space are located under the bed.
My favorite "modern" addition is a vibrator unit from a chair.
It is attached to the back of the couch, perfect for relaxing after a long day of hiking or touring.
The adjustable vent at the base of the bed hides a circulating fan, mounted in ductwork.
It is designed to pull the cool air from the floor, and push back up the curved end wall.