Biggest Air Cleaning Station in the World

In a trial led by the Philippines' leading research institute for air quality - the Manila Observatory - KNOxOUT was tested on the EDSA Guadalupe MRT Station. The KNOxOUT painted on the station and surrounding embarkment is estimated to be taking out NOx emissions of more than 30,000 CARS per day, making the MRT station the biggest air cleaning station in the world!