Air filters do not remove CO2. They remove only dust. Some so-called "air purifiers" produce ozone, which burns the lungs, nose, and eyes. I hope you're not

Air filters do not remove CO2. They remove only dust. Some so-called "air purifiers" produce ozone, which burns the lungs, nose, and eyes. I hope you're not using one of those. "Consider a high-quality air purifier that can capture and destroy harmful particles. Make sure the device does not produce ozone, another harmful air pollutant." -- American Lung Association https://www.lung.org/blog/air-in-your-home https://www.lung.org/blog/air-in-your-home https://www.lung.org/clean-air/outdoors/what-makes-air-unhealthy/ozone https://www.lung.org/clean-air/outdoors/what-makes-air-unhea...