When we go cycling in the countryside, a bottle of water is essential, but with the water bottle below that can collect moisture, you really don’t need to bring water with you when cycling. Fontus is a device that can be hung on the crossbar of a bicycle to collect moisture and convert it into water droplets. In an environment with sufficient humidity, it can collect 0.5 liters of water per hour. It also has a water filtration function, allowing you to drink natural and healthy water. , especially suitable for use in the forest.