I'm aware of this project: https://www.noeton.fi/ https://www.noeton.fi/ They have a device that goes into your fireplace removes cancer causing substances to E

I'm aware of this project: https://www.noeton.fi/ https://www.noeton.fi/ They have a device that goes into your fireplace removes cancer causing substances to EU standards. They are a group of Finnish scientists and friends who wanted to find a way to make something they love less polluting and safer to use.