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Today the city, the air pollution situation is very serious, often have the problem of excessive air pollution index, although the market today have a filter for individual products, but a palliative approach, we hope to be able to install air filtration devices in the car, because the car is the main source of air pollution, it is desirable to allow consumers easy replacement and cheaper price you can help create long-term benefits to air the urban environment.
National Taipei University os Technology
Taipei City, Taiwan