A few gallons of hot water for a shower or just to clean up. It’s solar, so no electricity needed and you can pressurize it too.
The tube-like structure is attached to a roof rack and features a short hose with sprayer. The sun heats the water inside during the day. From roadshower.com
Pressurized Solar Water Heater
![](https://cargovanconversion.com/wp-content/uploads/2014/12/roadshower-672x350.jpg)