Portable water purifier
This is a very usful invention for people who offen go out for camping or survey. In the field, we can’t find water that can drink although there are a lot of lush vegetation surrouning. If you have this portable water purifier, it will become better.
You only need to find a water source, then repeatedly squeezing the pump, about two minutes late, the special suction device can absorb water and expel through the pipes at the other side, ultimately. The build-in filtration sterilization system can ensure the water is safety. And it can prevent the iodine-deficiency diseases because adding a small amount of iodine to sterilize. Each portable water purifier can absorb and filter 5 liters drinking water at most.
This portable water purifier has passed the test of London School of Hygiene and Tropical Medicine.
It’s cost £ 30.
