radon reduction system 2

https://radonwildwoodmoshop.fairmontdigest.com/posts/understanding-radon-in-wildwood-mo-what-homeowners-need-to-know

A radon reduction system, also called soil depressurization, pulls radon gas from beneath the home and vents it outside, often through pipes and a fan. It's a quiet, low-maintenance setup that drastically lowers cancer-causing radon levels indoors, making the whole living space safer to breathe in over time.