Praan is a deep tech company using patent-pending technology to purify ambient air in cities without the use of any filters. They use scientific first principles along with cutting edge hardware and software to make clean air accessible to all. They spend their time on building filterless, adaptable, and affordable devices which solve the problem at scale. Their technologies adapt to changing weather conditions and ensure that all captured pollutants are recycled. Praan has been backed by The Thiel Foundation, Marginal Revolution, Autodesk among others.