Not looking at the shape because that is hard to shoot (or interesting) but more the bamboo look Garden Shower- pinning this on Products I Love with irony. Invaded by bamboo - need to find crafts to use those long sturdy stalks.
How to Build a Easy DIY Solar Pool Heater. All you need is 4 two foot lengths of pvc, 4 90 degree pvc elbows, foam pipe insulation, duct tape, 6 mil black plastic and some wire ties. The project takes less than one hour. This design works great for above