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After the earthquake, tsunami or other disater, the roads have been destroyed,the traffic is disrupted. Clean water and water purifier cannot be transported to the disaster area. People who in disater area cannot drink clean water for few days, causing secondary disaster. The Water Cleaner is a portable water purifier. The water purifier is small, and suitable for mass transportation and airdrop. It can solve the problem of water supply immediately. It is simple to use, only need one pump and one press, the water can be purified by water purification system inside.