Economy shower heads tested - halving shower costs

Economy shower heads tested: They are cheap and quick to install. Good ones save up to 345 euros per person and year. Some, unfortunately, save next to nothing. Which of the 20 water-saving shower heads tested are the best? How much do they save in litres and euros? Is showering with the water savers at all pleasant, do they rinse out shampoo quickly and comfortably? Questions like these are answered by Stiftung Warentest. The hand showers tested cost between 10 and 130 euros. And the most economical and best economy shower head is by no means the most expensive.