People in cars are exposed up to 15 times more air pollutants than walkers and cyclists. When driving, you are right in the middle of the source of pollution!
You don’t have to change any filters anymore! P100 is 100% zero maintenance cost. It is one of the main features of TPA Clean Air Technology. The only thing you have to do is simply wash the collecting electrodes thoroughly period of time. The collecting electrodes are reusable and easy to wash.