Multi,Function Air Filter, Eliminates Odors Pollutants, Perfect For RVs, Offices Living Areas

Water cup shape design, it does not obstruct the driver's sight while driving, increasing the convenience of putting it in the car. It is suitable for cars, recreational vehicles RV, entire houses, entire rooms, smoking areas, offices. With air quality sensor, it can automatically detect air quality, switch between smart mode and manual mode. 10 million negative ions can effectively remove smoke and dust and help improve air quality.